Tag Archives: scroll compressor

China CE Certified Carton Case Packed Screw Scroll Oil Free Variable-Speed Air Compressor with Good Service

Product Description

NO Prower
(kW)		 Pressure
(bar)		 Volumetric flow
 (m1 2 3 4/min)		 Exhaust outlet size
 GBT7306 (m) GBT9119(flange)		 Weight
(kg)		 Size
 (L x W x H mm)
UDL55A-7VFD 55 7.5 9.0 2(flange) 1340 2,000×1,300×1,800
UDL55A-8VFD 55 8.6 7.7
UDL75A-7VFD 75 7.5 12.3 1560 2,250×1,300×1,800
UDL75A-8VFD 75 8.6 11.2
UDL110A-7VFD 110 7.5 20.5 2500 2,150×1,520×1,970
UDL110A-8VFD 110 8.6 17.6
UDL55W-7VFD 55 7.5 9.2 1320 2,000×1,300×1,800
UDL55W-8VFD 55 8.6 8.2
UDL75W-7VFD 75 7.5 12.6 1460 2,250×1,300×1,800
UDL75W-8VFD 75 8.6 11.5
UDL110W-7VFD 110 7.5 20.8 2350 2,150×1,520×1,820
UDL110W-8VFD 110 8.6 18
UDL160W-7VFD 160 7.5 28.5 2-1/2(flange) 4100 2,600×1,600×1,940
UDL160W-8VFD 160 8.6 26.5
UDL240W-7VFD 240 7.5 40.5 3(flange) 5250 2,600×1,600×1,940
UDL240W-8VFD 240 8.6 36.5

FAQ
Q: How about our after-sales service?
A: Emails or calls for feedbacks in 2 months interval.

Q:What trade terms do we provide?
A: Trade term :CIF ,CFR ,FOB,Ex-Works .  

Q: What kind of settlement currency do we offer?
A: We do any kind of currency such as US dollar, euro, RMB, etc.

Q: How long is the delivery time of our product?
A: Our standard delivery time is 30 days after confirmation order & receiving recipets for standard compressors, for the other non standard requirement will be discussed case by case.

Q: How to install our compressor?
A: Installation guidance and on-site commissioning provided by trained technicians or local authorised service crew.

Q: What’s the Min. Order requirement ? 
A: Our Min. Order quantity is 1pc.

 

Choosing an Air Compressor

Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.
air-compressor

Positive displacement

There are several different types of air compressors, but most are positive displacement air compressors. They use a rotary or reciprocating component to compress air. The reciprocating component compresses air by reducing the volume of the chamber. Positive displacement compressors are used in bicycle pumps, chemical plants, and refrigerators. Positive displacement air compressors use multiple inlet ports. Despite the various types, the principle of operation remains the same.
Another type of positive displacement air compressor is a reciprocating piston. The piston inside a cylinder moves up and down, causing the compressed air to fill the upper part of the cylinder. These air compressors are used in a variety of different applications, including blowing bottles and gas pipelines. These air compressors can be water-cooled, lubricated, or non-lubricated. Different types have different capacities and air pressures.
A positive displacement flowmeter uses a rotating chamber that divides continuous fluid into discrete portions. The number of times the chamber is filled and discharged can be used to estimate the flow rate. The rotation speed of the measuring chamber is directly proportional to the flow rate. The drawbacks of this type of positive displacement flowmeter are that it is prone to jamming. If the fluid contains particles, it may be too thick for the meter to determine flow rate.
A negative displacement air compressor was invented in 1860 and is the oldest type of compressor. It uses 2 lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other 1 to spin in the opposite direction. Negative displacement compressors are low-maintenance, but they do require more precision. They are often used in nuclear power plants because they use the kinetic energy of the rotating elements to produce pressure.

Oil-injected

Oil-flooded or oil-injected air compressors use liquid to seal and lubricate moving parts and reduce noise. Oil-flooded air compressors are effective for a variety of pneumatic tools and accessories. Some models have a thermostat that controls the amount of oil used during operation. Other types of oil-flooded air compressors are piston-type models. Here is an overview of the basic differences between these 2 air compressors.
An oil-injected air compressor is more expensive than a comparable oil-free air compressor, but its advantages far outweigh its disadvantages. An oil-free compressor is quieter, requires less maintenance, and has a lower price tag. It also offers a greater degree of air purity. A number of other advantages may also make this type of air compressor the better choice for many industrial settings. If you need a high-pressure compressor in a tight space, consider the benefits of an oil-free system.
Oil-injected air compressors require more maintenance than oil-free models. Both types of air compressors offer similar capacity and ISO 8573-1 Class 0 and 1-2 purity, but the oil-injected systems require more air-treatment components. They require an activated carbon filter and coalescing filter. Oil-injected air compressors will likely remain the standard for industrial air compressors for many years. And since their performance and efficiency are comparable, it may be worthwhile to invest in some point-of-use air treatment.
Both types of air compressors have their benefits. However, choosing between oil-free and oil-injected air compressors is not as straightforward as you might think. Whichever type you choose, make sure it will meet your needs. The benefits of an oil-injected air compressor outweigh their disadvantages. In general, oil-injected air compressors are more durable and can last longer than oil-free models. The only downside is their higher price.
air-compressor

Oil-free

When choosing an air compressor for your company, you’ll need to determine what it is going to be used for. For example, if you’re planning on using it to power multiple workers, you should consider getting an oil-free compressor. An oil-free compressor, on the other hand, is quieter and can power several workers at a time. If you’re a contractor, the most important consideration will be the type of jobs you’ll be doing. Higher air pressure means greater demand for air flow, and more pressure can damage the equipment.
Oil-free compressed air is certified 100% free of contaminants. Technically, oil-free air is not completely free of foreign matter, but it is extremely low within the limits of practical air quality. A technically oil-free air compressor might have a total oil level of 0.003 mg/m3. If you’re in need of a technically oil-free air compressor, you must install an air treatment equipment after your current compressor.
If you’re in the manufacturing industry, a good oil-free air compressor will save you money and reduce your environmental impact. Many of these tools require air compressors to work, and this equipment will ensure that they don’t get contaminated. To buy the best oil-free compressor, you should learn a bit about the different terms used by compressor repair companies. ACFM, for example, is the amount of air that can be compressed in 1 minute at rated conditions.
When you’re using an oil-free air compressor, you should know that the overall life of the device will be much shorter. Compared to an oil-flooded rotary screw air compressor, an oil-free compressor typically has a lifespan of 50 thousand hours. But it’s important to understand that this type of compressor can still cause damage to piping and processes. Therefore, you should choose an oil-free compressor when you need to clean air for your business.

Single-stage

A single-stage air compressor, also known as a piston air compressor, compresses air only once before storing it in a cylinder. This stored air has enough energy to power a variety of pneumatic tools, such as screwdrivers, chisels, and wrenches. These units are also ideally suited for low-flow applications and are widely used in gas stations, auto shops, and various manufacturing plants.
A single-stage air compressor uses 2 valves – 1 for inlet and 1 for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide protection from damage. The compressor’s outlet valve opens when the pressure in the cylinder is higher than the pressure in the storage tank. The piston moves very quickly inside the cylinder, exerting a high amount of force throughout the compression process. This high piston speed is a common cause of compressor wear and tear.
A single-stage air compressor is ideal for smaller tradesmen and small construction crews. Its lightweight and compact design make it easier to transport and store. While it may be tempting to buy the first cheap air compressor you see, it’s important to balance the price against performance to choose the right air compressor for your needs. The best single-stage air compressor is 1 that provides excellent performance and durability. Its two-stage counterpart is designed for larger construction teams and large applications.
The main difference between a single-stage and a two-stage air compressor lies in their capacity. A single-stage air compressor compresses air only once and delivers it into the storage tank, while a two-stage compressor compresses it twice, creating double the pressure. Because of this, single-stage air compressors are cheaper and versatile than their counterparts, which means that they can be used for multiple purposes.
air-compressor

Low-noise

A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors.
Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase 1 with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle.
Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle.
Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise 1 is an excellent choice.

China CE Certified Carton Case Packed Screw Scroll Oil Free Variable-Speed Air Compressor with Good Service China CE Certified Carton Case Packed Screw Scroll Oil Free Variable-Speed Air Compressor with Good Service

China Single Phase 2.2 Kw Scroll Air-Compressors Factory Silent Energy Saving Screw Air Compressor for Industrial

Product Description

C6EF Quality and Quantity Assured Single-phase Air Compressor

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of “quality first, customer first and credit-based” since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a CZPT situation since the trend of economic globalization has developed with anirresistible force.

 

How to Repair and Maintain an Air Compressor

A compressor is a device used to move air from 1 place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.

Positive displacement

Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor.
Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling.
A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are 2 types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the 2 types is the pressure ratio.
In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.
air-compressor

oil free

If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications.
Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are:
When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in 1 minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application.
The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
air-compressor

double acting

A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning.
The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement.
Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases.
Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
air-compressor

fuel tank pressure switch

You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure.
If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch.
The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition.
When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.

energy source

The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower.
The voltage required for a three-phase air compressor will vary. Three-phase air compressors require 3 separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require 3 separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.

China Single Phase 2.2 Kw Scroll Air-Compressors Factory Silent Energy Saving Screw Air Compressor for Industrial China Single Phase 2.2 Kw Scroll Air-Compressors Factory Silent Energy Saving Screw Air Compressor for Industrial

China Hot Sale Belt Driven Electric Medical Oil Free Scroll Air Compressor Price with Inner Air Tank

Product Description

Type: Oil Free Scroll Air Compressor
Voltage: 380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure: 8~10bar
Installed Motor Power: 3.0-50 Kw
Color: Blue,white
Driven Method: Belt Driven
Transport Package: Standard Wooden Packing
application: Dentistry,Laboratory,New Energy

Product Features
1.High quanlity oild free compressed air.
2.High efficiency oil free scroll airend.
3.Low Energy Consumption,Low running,maintenance cost.
4.Aptitude and intelligent Control, integrated touch-screen PLC displayer.
5.Unique safe units make whole compressor more safety, more stable,lest noise,lest energy Loss.
6.Easy to install,operate,maintain.

Model Capacity Pressure Motor power QTY of air end  QTY of motor Noise Level Diemensions Weight Diameter of air outlet pipe Inner air tank Outside air tank
  m3/min Mpa kW hp PCS PCS dB(A) mm KGS inch L L
D04/08-A1 0.3 0.8 3.0  4.0  04*1 1 55±2 760*690*820 200  3/4 5     /
D04/08-A4 0.4/0.3 0.8/1.0 3.7 5 04*1 1 55±2 760*690*820 200  3/4 5     /
D04/08-J3 0.4/0.3 0.8/1.0 3.7 5 04*1 1 55±2 1400*780*1485 450  3/4 / 200    
Q08/08-S1 0.8 0.8 7.5 10 04*2 2 60±2 1400*700*1200 400 1 1/2 24     /
Q08/08-S1 0.8 0.8 7.5 10 04*2 2 60±2 1400*780*1485 450 1 1/2   /
D06/08-A4 0.6/0.4 0.8/1.0 5.5 7 0.6*1 1 55±2 760*690*820 200  3/4 5     /
D06/08-J3 0.6/0.4 0.8/1.0 5.5 7 0.6*1 1 55±2 1400*780*1485 450  3/4 / 200    
Z12/08-S1 1.2/0.8 0.8/1.0 11 15 0.6*2 2 60±2 1400*700*1200 350 1 1/2 24     /
D06/08-J5 0.6 0.8 5.5 7 0.6*1 1 60±2 1400*780*1485 450 1 1/2   /
Z12/08-J5 1.2 0.8 11 15 0.6*2 2 60±2 1400*780*1485 500 1 1/2   /
Z18/08-S1 1.8/1.5 0.8/1.0 16.5 22 0.6*3 3 62±2 1400*700*1670 500 1 1/2 24     /
Z24/08-S1 2.4/2.0 0.8/1.0 22 30 0.6*4 4 65±2 1400*1550*1200 800 1 1/2 24*2 /
Z30/08-S1 3.0/2.4 0.8/1.0 27.5 37 0.6*5 5 65±2 1400*1550*1670 1080 1 1/2 / /
Z36/08-S1 3.6/3.0 0.8/1.0 33 45 0.6*6 6 65±2 1400*1550*1670 1200 1 1/2 / /
Z42/08-S1 4.2/3.6 0.8/1.0 38.5 52 0.6*7 7 65±2 2220*1450*1740 1400 1 1/2 / /
Z48/08-S1 4.8/4.0 0.8/1.0 44 59 0.6*8 8 65±2 2220*1450*1750 1520 1 1/2 / /
Z54/08-S1 5.4/4.5 0.8/1.0 49.5 67 0.6*9 9 65±2 2220*1450*1750 1650 1 1/2 / /

Q1: What is the rotor speed for the air end?
A1: 2980rmp.

Q2: What’s your lead time?
A2: usually, 5-7 days. (OEM orders: 15days)

Q3: Can you offer water cooled air compressor?
A3: Yes, we can (normally, air cooled type).

Q4: What’s the payment term?
A4: T/T, L/C, Western Union, etc. Also we could accept USD, RMB, and other currency.

Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.

Q6: What is your warranty for air compressor?
A6: One year for the whole air compressor(not including the consumption spare parts) and technical supports can be provided according to your needs.

Q7: Can you accept OEM orders?
A7: Yes, OEM orders are warmly welcome.

Q8: How about your customer service and after-sales service?
A8: 24hrs on-line support, 48hrs problem solved promise.

Q9: Do you have spare parts in stock?
A9: Yes, we do.

Q10: What kind of initial lubrication oil you used in air compressor?
A10: TOTAL 46# mineral oil.

How to Repair and Maintain an Air Compressor

A compressor is a device used to move air from 1 place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.

Positive displacement

Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor.
Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling.
A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are 2 types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the 2 types is the pressure ratio.
In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.
air-compressor

oil free

If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications.
Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are:
When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in 1 minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application.
The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
air-compressor

double acting

A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning.
The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement.
Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases.
Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
air-compressor

fuel tank pressure switch

You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure.
If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch.
The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition.
When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.

energy source

The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower.
The voltage required for a three-phase air compressor will vary. Three-phase air compressors require 3 separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require 3 separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.

China Hot Sale Belt Driven Electric Medical Oil Free Scroll Air Compressor Price with Inner Air Tank China Hot Sale Belt Driven Electric Medical Oil Free Scroll Air Compressor Price with Inner Air Tank

China Air End of Oil-Free Scroll Air Compressor Air-End

Product Description

Specifications

Characteristics of oil-free scroll air compressor 
100% oil-free
The compression chamber of the oil-free scroll air compressor is completely separated from the bearing chamber, eliminating oily air at the source of structural design, and there is no need to add lubricating oil during use, and there is no oil stain and condensate discharge during operation. It is a real zero discharge and more environmentally friendly and economical.
Our oil-free scroll air compressor provides high-quality 100% oil-free compressed air, which is certified by German Rhine certification agency t Ü v
The test of the oil-free scroll air compressor shows that t Ü V proves that the air quality of our oil-free air compressor meets the iso8573-1 standard, which is the highest standard of air quality.

Low vibration
Rotation: the vibration of circular rotation is much lower than that of reciprocating motion.
Balance: during rotation, the high-pressure area is around the axis, evenly distributed without eccentricity, and the balance is excellent.
Start and stop: small operating torque and superior start and stop.

Low noise
No intake valve: there is no need to worry about the closing sound of the one-way valve and the unique “bang, bang…” piston air compressor Sound.
Low rotating speed: the rotating speed is only 3000rpm, the screw machine is 20000rpm, and there is no high-frequency buzzer on the screw machine.
No oil: there is no liquid percussion sound a lubricating oil pipeline.
Small airflow fluctuation: suction and exhaust are continuous and stable, more than 6000 times per minute, making the airflow pulsation very small.

High efficiency: Suction and exhaust are continuous and stable, more than 6000 times per minute, making the airflow pulsation very small.
Compared with other structural air compressors, the scroll air compressor belongs to positive displacement continuous exhaust and has no clearance volume, so the volumetric efficiency of the scroll air compressor is more than 98%; Flexible sealing technology and gas floating seal are adopted to automatically compensate the slow wear of materials, improve the sealing performance of products and reduce leakage loss.

high reliability: High machining accuracy, up to μ M level, after precision machining, the surface of the vortex host is treated with a special coating to ensure its lasting use in various environments and more stability and reliability.
After T6 heat treatment and semi-solid die casting, the product has high mechanical strength and elongation, CZPT the technical level of the aviation industry. It is equipped with a large-capacity multi-plate cooling fan and an aftercooler for cooling to ensure the effective cooling of the host and stable operation even if the ambient temperature is high.

Maintenance-free
Reduce the number of components to the maximum limit, and there is no need to configure the necessary suction and exhaust valves, piston rings, and other vulnerable parts of the piston air compressor. Compared with other types of air compressors, there is no need to configure the necessary suction valves, temperature control valves, minimum pressure valves, and other valve components of the screw air compressor, which greatly reduces the possibility of machine maintenance.

RFQ:
 
1) MOQ
MOQ is 200pcs for customization. Stock mold can be lower quantity as your request. 
 
2). Item of payment
 a. T/T:40% deposit, 60% balance after passing QC inspected before shipping.
 b. Paypal 
 c. Western Union
3). Samples? 
If we have a stock sample, we’d like to send it to you immediately, If you need to make your own style, it will cause the sample charge, We will refundable the sample charge to you if your order quantity is up to 3000pcs.
4).sample time? 
Depending on your request, as usual, It will take about 6-7 workdays to make the new sample as your need 
5). Mass product time? 
It takes about 23 days for 1000pcs. 
6).freight charge for mass products? 
It will base on your request, saying: small order, we’d like to advise you shipping by express will be favorable, You can choose by sea or Air, the freight charge will be based on the date when you place an order.
Our Services
 1. QC workers will inspect each process 100%, Guarantee the quality.
2. After-sales service available.
3. OEM & ODM designer team available.
4. Professional knowledge of famous brand items.
5. Professional sales team, All of your emails will be replied with 12 hours
 
Company Information
 
HangZhou Zhihe industrial Co., Ltd is a professional vehicle HVAC/Compressor supplier in ZheJiang Province, China.  We′re specializes in transport compressors such as electric vehicle air-conditioner scroll compressor, 12/24VDC electric compressor for truck additional air conditioner, compact horizontal hermetic scroll compressor for E-bus, subway, etc.
We also provide customers with vehicle air conditioning system solutions and products, such as a 12 / 24 VDC truck cab no idle air conditioning system, locomotive cab air conditioning system, RV air conditioning system, oil-free scroll air compressors, etc.
Our technical team has gained a good reputation in the field of electric vehicles, electric buses, and rail transit. Our products have surpassed their counterparts from the US and Japan in some special parameters, High efficiency, reliability, and compactness.
Our products are suitable for many different refrigerants, including R134A, R407C, R410A, ETC. Our annual output is 500, 000 PCS of EV-use semi-hermetic scroll compressors, 50, 000 PCS of hermetic horizontal inverter compressors.20000PCS of cab air conditioning.
We not only supply products but also provide comprehensive application guidance and technical support for our clients.
Our compressor driver is provided by our group company, which has many years of experience in automotive air conditioning control systems and mobile cold chain control systems. This is an advantage that other compressor companies do not have. The group has a number of R & D service institutions in Europe Company.
The business concept is Quality, Innovation, High-Efficiency, and Credit. Warmest welcome your visit. Looking forward to working with you!

 

The Air Compressor Is a Versatile Tool

The Air Compressor is 1 of the most versatile tools in any garage or workshop. It is easy to use and can perform a variety of tasks, from jackhammering to drilling. These machines are available in a wide variety of sizes and types, making it an excellent choice for a variety of situations. With a single motor, you no longer need separate motors for each tool. Its lightweight, compact design makes it easy to handle, and the single motor also reduces wear on parts.
air-compressor

Oil-injected

Oil-injected air compressors require a large amount of lubricant, which needs to be added to the sump regularly to maintain optimum performance. As there are many types of industrial fluids, a well-intentioned maintenance technician may add the wrong lubricant to the compressor. If this happens, the compressor will become incompatible with the lubricant, resulting in excessive carryover and the need to flush and replace downstream air treatment components.
Typically, the G 110-250 oil-injected rotary screw compressor from Atlas Copco provides reliable compressed air, preventing costly downtime. The G110-250 oil-injected rotary screw compressor is highly reliable and durable, enabling it to function in temperatures up to 46degC/115degF. Despite the oil-injected air compressor’s robust design, this unit requires very little on-site installation, and it features simple operation.
The primary advantage of oil-injected air compressors is the reduced cost of running. The cost of oil-free compressors is less than half of that of oil-injected ones, and it will require fewer maintenance costs in the long run. Moreover, the oil-free system is more environmentally friendly than oil-injected air compressors. But the drawbacks of oil-injected air compressors are substantial, too. It can contaminate finished goods and cause a significant financial risk for the manufacturer.
An oil-injected rotary screw air compressor offers several advantages over its counterpart. First, it features an innovative vertical design with variable-speed drive, allowing it to run more efficiently. Second, oil-injected air compressors reduce energy consumption by up to 50% compared to non-oil-injected air compressors. They also have a thermostatic valve, allowing them to maintain an optimum temperature. Thermostatically-regulated oil coolers allow the compressor to run more quietly.

Oil-free

What is an oil-free air compressor? The name refers to a type of air compressor that does not contain oil in the compressor chamber. Oil-free air compressors still use oil for various purposes, including lubricating the moving parts and managing waste heat. However, many people do not realize that their air compressor still requires oil for proper functioning. This article will explore why this type of air compressor is preferable for many users.
First of all, oil-free air technology has many benefits. For one, it reduces the energy cost involved in filtering air, and it minimizes leaks. Moreover, it also reduces the oil costs associated with compressor refills. And finally, it reduces the risks of contamination. Oil-free air technology is the future of compressed air. If you’re looking for an oil-free air compressor, here’s what to look for in your search.
Depending on the purpose of your air compressor, it may be beneficial to invest in an oil-free air compressor. Oil-lubricated air compressors are generally more durable than their oil-free counterparts, but they may cost twice as much. You should still consider the cost of ownership before purchasing an oil-free compressor. The oil-free models can be easier to transport, and they are more powerful. Moreover, they’re quieter than oil-lubed models.
An oil-free air compressor also means less maintenance, as it doesn’t need oil to work. This type of air compressors also features fewer moving parts, which means fewer places for problems to develop. All oil-free air compressors are manufactured to meet ISO Class 0 and 1 air purity standards. They also have less noise and vibration compared to their oil-based counterparts. So, why not choose an oil-free air compressor for your business?
air-compressor

Gasoline

When choosing a gas-powered air compressor, it’s important to consider the advantages of gasoline. This energy source can power a large air compressor without electricity. However, this type of air compressor lacks electrical hookup, so you’ll need to run an extension cord if you need to use it at a distance. However, gas compressors are able to function with just a gas tank. This makes them ideal for medium to heavy-duty industrial applications.
Another important consideration when choosing a gas air compressor is its size. Larger compressors are typically larger than portable ones and require more space. This makes them easier to transport and operate on the go. However, if you’re not sure which type of air compressor is best for you, consider the gas-powered versions. While they may be lighter, they don’t run as smoothly as their electric counterparts. Gasoline-powered compressors are not as portable as their electric counterparts and require proper maintenance.

Electricity

Electricity in an air compressor is not cheap. A 25 HP air compressor runs for 10 hours each day, 5 days a week. The motor in these machines consumes 746 watts per hour. To find out how much electricity the equipment uses, multiply the wattage by the running time. For example, if the compressor runs for 3 hours, then it will use 1.9 kilowatt hours of electricity. To determine how much electricity an air compressor uses per day, you can calculate the kilowatt hours and multiply the number by the utility rate. Considering this, you can determine the cost of running your air compressor once per month.
The cost of operating an air compressor depends on the type of compressor. Electric air compressors are often silent and can run without any maintenance. These tools can be left unattended for up to 4 thousand hours before requiring repair. Electric air compressors require higher power for higher pressure, so you should plan accordingly. Whether or not you need a maintenance visit is up to you, but the benefit of not having to spend a fortune on repairs is priceless.
Although compressed air is not an energy-efficient source, its use in a variety of applications may save you money and kilowatts. Since an air compressor uses power when it is running, the cost is lower than the cost of operating a power tool. If you plan to use your air compressor for a long time, make sure that it is maintained properly. Proper care will save you money and power, and you may even be able to get an extended warranty if the compressor breaks down.
air-compressor

Variable frequency drive

The main purpose of a variable frequency drive (VFD) in an air compressor is to reduce energy consumption in the process of compression. A single motor drag system cannot adjust its speed continuously according to the weight of the load. By applying frequency control to the compressor, the power consumption can be reduced while maintaining the same pressure level. Therefore, a VFD is an excellent choice for compressors. Its benefits are numerous.
A VFD can also monitor the temperature of the motor and send error signals if the motor is running too hot or too cold. This eliminates the need for a separate sensor to monitor the oil pressure. These functions are useful not only in lowering energy consumption, but also in improving the performance of an application. Moreover, a VFD can monitor additional variables such as temperature and motor speed. Hence, it is a useful investment.
When using a VFD, it is crucial to choose the right motor. The speed of the compressor should be within the maximum starting limit of the motor. The air tank may be of any size, but a constant pressure limit is required to keep the VFD running within the service factor of the motor. In addition to a VFD, a master controller should also include a remote pressure set point and a PID card for a master controller. The transmitter should incorporate all useful data from the VFD, including the speed and the oil temperature. The VFD must be tested before it is integrated with the master control. It should be tested for min and max speed, temperature, and current within the expected range.
The use of a VFD in an air compressor has many benefits. One of the most notable is the reduction in power consumption. Fixed-speed compressors run on set points of 6 to 7 bar. An extra bar of compression uses 7 percent of energy. This energy is wasted. A VFD-powered air compressor can also increase the life span of compressor parts. It is 1 of the best investments in your compressor. So, why wait any longer?

China Air End of Oil-Free Scroll Air Compressor Air-End China Air End of Oil-Free Scroll Air Compressor Air-End

China Fruit Vegetabe Medicine High to Medium Temperature Air Cooling Scroll Compressor Refrigeration Air Compressor for Cold Storage Room

Product Description

High to Medium Temperature
Scroll Type AIR COOLING Compressor Condensing Unit

• High Speed Refrigeration – Large refrigeration capacity and efficient heat exchange to ensure food quality
– Applicable refrigerant includes R22, R404A, R507, R407a etc., providing more flexibility for customized refrigeration system solutions
• High Reliability Stable operation, Low failure rate, Long service life
• Energy Saving  Improved energy efficiency, Environmental-friendly
• Wide Application Suitable for high temperature and medium temperature
  -20ºC to 10ºC wide operation range
• Ideal for Fruit, Vegetable, Tea, Supermaket Cold Storage Rooms
• Smooth operation, less noise and vibration compared with piston condensing unit
• Non-standard customization is available.

Design Benefit

• Well-known Brand Refrigeration Scroll Compressor

– High reliability
– High energy efficiency
– Lower noise and less vibration

• Larger Air Condenser and Fan Motor Power
– Higher heat dissiaption capacity
– Advantages are more pronounced in terms of high ambient temperature and seasonal cold storage

• Various Structure

Wall Mounted Type       Box Type             Open Type      


1. Wall-mounted Type: SPACE SAVING
– 1 fan motor or 2 fan motors, available for 2HP~7.5HP
– Air condenser with hydrophilic film coating, higner corrosion resistance
– Inner spiral copper pipes, higner heat exchange area and heat exchange efficiency
–  Thickened shell made from professional air conditioner manufacturer
2. Box Type: IDEAL FOR OUTDOOR
– U shape, V shape or W shape condenser
– Available for the whole series
– Easy to ship, install and maintain
3. Open Type:
– H shape condenser

• Equiped with High Quality Refrigeration Accessories

1. Standard Configuration: compressor, air condenser, low noise air conditioning fan, solenoid valve, filter, liquid reservoir, oil filled high and low pressure gauge, high / low pressure controller, liquid sight glass, 3GS / POE refrigeration oil

2. Optional Configuration: silencing cotton, adjustable speed fan, low-pressure controller (for low-pressure shutdown), hot fluorine defrosting valve, oil separator, gas separator, compressor contactor, single protector

• Parallel Application
– High Reliability: when a compressor in the parallel unit fails, other compressors can continue to work normally, avoiding heavy losses
– Provide multi-stage energy regulation, and the unit cooling output can match the actual load demand
– Through parallel connection, the refrigeration capacity can be expanded, the space occupied by the equipment can be reduced, and the pipeline can be reduced
– Save cost and maintenance cost, and extend the service life of the equipment

Product Parameters

High Temperature Air Cooling Condensing Unit

High Temperature Water Cooling Condensing Unit

Medium Temperature Wall-Mounted Air Cooling Condensing Unit

Medium Temperature Box Type Air Cooling Condensing Unit

ZHIYUN Refrigeration Equipment Co., Ltd is a comprehensive enterprise including trade, engineering, and manufacture. The company is found in 1982 in ZheJiang Province, and there are 2 branches (XiaMen and QuanZhou) and 3 factories (condensing unit factory, evaporator factory and PU panel factory). Through over 30 years of efforts, ZHIYUN has developed to be a professional refrigeration company with considerable size, reputation and influence. We have successfully sold our products to over 20 countries and have long term partners in Africa and Southeast Asia. During the development, we insist the business objective of “Based on Sincerity, Serve the First”, establishing our perfect pre-sale and after-sale service system, working the best to satisfy our customers.

ZHIYUN specializes in the retail and wholesale of refrigeration equipment, air conditioning equipment, and installation materials. We are the agent for selling domestic and international famous brands of refrigeration equipment: CZPT semi-hermetic compressor series, CZPT refrigeration scroll compressor series, Bitzer/XueYing semi-hermetic reciprocating compressor series/semi-hermetic screw compressor series, FUSHENG/HANBELL screw compressor series, and evaporator and condenser series.

ZHIYUN specializes in manufacturing compressor condensing units (scroll units, screw units, reciprocating units, parallel units), polyurethane cold storage and doors, aluminum rows and plates, chiller units, marine units, freezing tunnels and industrial cooling equipment, etc. Also, we undertake the installation of small and medium cold storage, and installation and repair of various refrigeration equipment and air conditioning equipment.

1. Q: Are you a manufacturer?
    A: Yes, we are manufacturer. Non-standard customization and OEM service are both welcomed and available.
2. Q: Can I get the warranty?
    A: Yes, under the condition that the user apply the equipment correctly, we provide 1 year quality warranty.
3. Q: How to buy?
    A: Please contact us by email or online at first, and then we will offer our proposal and quotation based on your demand.
4. Q: How to pay?
    A: 30% of total amount to be paid before production, and the balance payment before shipment.
5. Q: How to ship?
    A: We work with experienced shipping agent who could arrange your delivery on the cheapest and fastest way. Our closest port is HangZhou.
6. Q: What about the delivery date?
    A: 10-30 days, depends on the order.
7. Q: What about the maintenance?
    A: All the products are tested before shipment, and maintenance is easy. We provide patient pre-sale service and considerate after-sale service.

Our Advantages

1. More than 40 years of professional refrigeration industry experience, understand the cold storage, understand the cold storage equipment, understand the customer needs even better.
2. Our own cold storage PU panel factory, refrigeration equipment factory and evaporator factory, complete product line, guaranteed quality, convenient one-stop purchase
3. Considerate after-sales service, on-site debugging and installation are avaible.

 

What to Look For When Buying an Air Compressor

An air compressor is a very useful tool that can help you complete many different types of construction jobs. This handy machine makes many tasks much easier, but not all of them are created equally. Understanding what to look for when buying an air compressor will help you make an informed decision. Here are some of the things you should look for. These include price, size, and energy efficiency. Also, make sure to consider the air compressor’s type.
air-compressor

Single-stage air compressors are quieter

When it comes to noise level, single-stage air compressors are the way to go. These machines have fewer moving parts and are quieter than two-stage models. Single-stage air compressors use an axial flow design and can be quieter than their dual-stage counterparts. Single-stage air compressors can run longer and at lower pressures. Single-stage air compressors can be used for light industrial applications. They have a long life expectancy, with some models lasting for over 3 thousand hours.
While some single-stage air compressors are quieter than two-stage air compressors, both models have noise-reduction features. One type features rubber parts, which are designed to dampen noise. Another feature makes a compressor quieter: its location near the job site. Some models feature rubber base plugs and rubber mats to reduce floor vibrations. In addition to using these features, single-stage compressors are easier to transport.
Noise levels are important when choosing an air compressor. Some machines are too noisy for comfortable work, and some businesses don’t want to expose customers to noise-generating air compressors. Other noise levels can even endanger workers’ health. Single-stage air compressors are more affordable than dual-stage compressors. They are also quieter and more powerful. But be prepared for the noise. Some single-stage air compressors are still noisy.
Compared to their two-stage counterparts, single-stage compressors are quieter when running at full capacity. However, double-stage compressors are quieter on low capacities than single-stage units. Those with variable speed are quietest at lower capacities. The difference is about 10db. If you’re concerned about the noise level, you should consider a two-stage air compressor. But if you have a small workshop, it may not be suitable for you.
One-stage air compressors are generally more efficient than two-stage air compressors. The noise from a two-stage air compressor is lower because there’s no intermediate stage. Single-stage air compressors also use a piston that rotates in a single stage, while dual-stage air compressors, also known as duplex models, are more efficient. A single-stage air compressor is quieter, but double-stage compressors are louder.
air-compressor

Two-stage air compressors are more energy efficient

Two-stage air compressors are more energy-efficient than single-stage machines. The efficiency of two-stage air compressors is increased through a combination of improved efficiency and increased longevity. These machines can store more air and have higher compression ratios. One model of a two-stage compressor can hold approximately 83 cubic feet of air at 100 PSI and 120 cubic feet at 150 PSI. A two-stage compressor is also quieter.
Two-stage air compressors are more energy-efficient because they have 2 pistons instead of one. These air compressors achieve a higher pressure rating and recover more quickly. This type of compressor is perfect for jobs that require high air pressure for a prolonged period of time. In addition, they can operate multiple tools simultaneously. This makes them better for commercial and industrial use. Listed below are some benefits of two-stage air compressors.
Single-stage air compressors can power tools in the garage or kitchen, but they are not as reliable for industrial applications. Single-stage compressors have larger parts that tend to experience condensation. Furthermore, single-stage compressors do not last long in continuous use and are less energy-efficient than two-stage ones. Whether you’re using the compressor for a single tradesperson, a small crew, or a large construction crew, two-stage compressors are the best choice.
Single-stage air compressors are often used in small-scale food preparation and production. Single-stage air compressors are easy to transport between locations, and can be plugged into several electrical outlets. Single-stage compressors are also ideal for high-volume food processing. A dual-stage air compressor is ideal for industrial use. In some cases, you can even move the single-stage air compressor between two-stage air compressors.
Single-stage compressors often cycle too quickly, drawing more electricity than two-stage units. A variable speed unit stays on a low speed for hours at a time. Single-stage air conditioners force you to lower your thermostat settings while single-stage air conditioners run too often. Both units are energy-efficient but they are not as energy-efficient as variable-speed compressors. The main difference is that single-stage air conditioners tend to drain the power source quicker.

Piston-driven air compressors are quieter

A piston-driven air compressor is 1 of the quietest types of air compressors. It is less noisy than reciprocating air compressors. A piston-driven air compressor can reach 62 decibels, while a scroll compressor is around half that volume. The 2 main components of a scroll air compressor are the piston and the helical screw. These air compressors are both very efficient and quiet.
Older compressors are incredibly noisy. They produce a “wumpa” noise similar to a large engine. They are also capable of producing a high-pitched whine. These noises can be deafening, especially in a small workshop. That’s why it’s essential to look for a quiet compressor. But what makes a compressor quiet? Read on to learn more about this essential tool.
Another difference between piston-driven air compressors and electric-driven air compressors is the power source. Electric air compressors produce less noise than gas-powered compressors, which use an engine. Piston-driven air compressors are also more efficient. They also generate less heat, making them an ideal choice for offices and other settings where noise is a problem. The best way to decide between the 2 types of air compressors is to check the manufacturer’s warranty and read the ‘Description’.
Noise reduction is the first priority of a compressor’s owner, so make sure that you have the right model. If you’re working on something sensitive, don’t place the compressor too close to a building where people might be nearby. Noise can be very disruptive to the workspace and can cause health problems. To help combat noise, you’ll need to buy a quiet air compressor. And don’t forget to consider its location: Piston-driven air compressors are quieter than their reciprocating counterparts.
Piston-driven air compressors are quiet because the piston is made of thin metal and more rubber, which absorbs the sound. Unlike reciprocating air compressors, piston-driven air compressors are more efficient than their dual-piston cousins, which are quieter and more powerful. So which type is right for you? Take a look at some of the main differences between the two. If you want a quiet compressor, make sure it meets the specifications required by the job you’re working on.
air-compressor

Oil-lubricated air compressors are more cost-effective

There are several reasons why oil-lubricated air compressors are more expensive than dry-type air compressors. First of all, oil-lubricated air compressors tend to be more reliable and quiet. Additionally, oil-lubricated air compressors require fewer parts and can last longer than dry-type air compressors. These are just a few of the many benefits of using oil-lubricated air compressors.
Oil-free air compressors have some disadvantages. They are less durable and may not be as efficient as oil-lubricated models. Additionally, because oil-lubricated air compressors use oil, they can get very noisy. While they are less expensive, they are not the best option for heavy-duty work. However, modern oil-free air compressors have soundproofing and are suitable for industrial use.
When purchasing an oil-lubricated air compressor, make sure to choose 1 with a tank capacity that meets your needs and your space. Larger tanks can be more expensive than small tanks, but larger units are easier to move around. Also, be sure to consider the weight and size of the portable air compressors when making your choice. If the weight is too large, you may have trouble carrying it from place to place.
Another benefit of using oil-lubricated air compressors is their reduced need for oil. These models can last up to a decade longer than oil-free counterparts. Oil-free air compressors are more affordable and can achieve the same high performance as their oil-lubricated counterparts. Many industrial applications benefit from these air compressors. So, which 1 is right for you? We’ve listed a few of them below.
Another benefit of choosing an oil-lubricated air compressor is the reduced cost of maintenance. This type is more durable than its oil-lubricated counterparts, which require regular oil changes to keep them running smoothly. However, it is not feasible to transport an oil-lubricated compressor, which means that you must install it permanently to keep it working efficiently. In addition, these air compressors are difficult to move and are not portable, which can limit your ability to use it in a pinch.

China Fruit Vegetabe Medicine High to Medium Temperature Air Cooling Scroll Compressor Refrigeration Air Compressor for Cold Storage Room China Fruit Vegetabe Medicine High to Medium Temperature Air Cooling Scroll Compressor Refrigeration Air Compressor for Cold Storage Room

China Hot Sale High Quality SCR15xa Oil Free Scroll Air Compressor

Product Description

Product Technical Description

Product Name Hot Sale High Quality SCR15XA Oil Free Scroll Air Compressor
Model :  Scroll Oil Free Series (XA)
Type:  Scroll Oil Free Screw Air Compressor
Voltage:  380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:  8~10bar
Installed Motor Power:  11~30 Kw
Color:  Blue
Driven Method: Belt Driven
Trademark:  SCR
Transport Package:  Standard Wooden Packing
Available Certificate:  CE, ISO, UL, ASME, GHOST
Origin:  ZheJiang , China
application:  Dentistry,Laboratory,New Energy

Product Features
1.High quanlity oild free compressed air.
2.High efficiency oil free scroll airend.
3.Low Energy Consumption,Low running,maintenance cost.
4.Aptitude and intelligent Control, integrated touch-screen PLC displayer.
5.Unique safe units make whole compressor more safety, more stable,lest noise,lest energy Loss.
6.Easy to install,operate,maintain.

High quality oil fee compressed air:
A high quality 74 Degree taper connection is used making a more reliable seal reducing the risk of air leakage. SCR’s oil free scroll machine provides 100% oil free air and makes use of fully stainless steel pipework eliminating any possible contamination.

High Efficiency oil free scroll airend:
SCR use a world-renowned scroll airend in the XA range for enhanced reliability. The compression chamber and lubricant system is 100% separated meaning there is no risk of oil contaminated air.

High Reliability:
The XA range use low noise, high pressure centrifugal fans which provides excellent air flow. The oversized cooler has spare capacity of between 20%-30% making the air outlet temperature only +10-15 degrees above the ambient tempera-ture. This reduces the burden of downstream equipment.

SCR Oil Free Scroll Compressor
Model SCR15XA-8/10 SCR20XA-8/10 SCR30XA-8/10 SCR40XA-8/10
Exhausting Capacity 1.2/1.0 1.6/1.4 2.6/2.1 3.5/2.8
(m³/min)
Power (KW) 11 15 22 30
Horse Power (HP) 15 20 30 40
Drive Method Belt Driven
Discharge Temperature ºC Ambient+15ºC
Noise db(A) 65 68 70 72
Power Supply 380(400,415)V/50Hz/3Phase,220V/60Hz/3P
Size mm 1350*1200*800 800*1200*1800 1200*1400*1500 1200*1400*1800
Weight Kg 450 650 900 1300
Air Outlet Size Rc1 Rc1 Rc1 Rc1

Product Categories

Advantages

Application

About SCR

FAQ

1   What trade terms do we provide? What kind of settlement currency do we offer?

Trade term :CIF ,CFR ,FOB,Ex-Works 
As far Our business traded in Dollars ,Euros and RMB .

2   How long is our delivery?

Our standard delivery time is 30-40 days after confirmation order & receiving recipets for standard compressors, for the other non standard requirement will be discussed case by case.

3   What is the voltage of the compressor?

The available voltage include 380V/50HZ/3Phase, 400V/50HZ/3P, 415V/50HZ/3P, 220V/60HZ/3P, 380V/60HZ/3P, 440V/60HZ/3P. At the same time we provide other voltage  according to customer requirement.

4  Can our compressor run in high temperature environment? What is the working temperature range for our machine?

Yes ,our machine would run in high temperature environment ,until now our products have been sold to many countries which would meet high temperature in summer ,such like Iraq, Saudi Arabia, Egypt, Algeria, etc. 
Work temperature range :1-45 ºC(33.8ºF-113ºF)

5  What’s the min. Order requirement ?

Min. Order requirement is 1PCS. 

Contact us

Company Name: ZheJiang Screw Compressor Co., Ltd
Contact Person: Vincent Sun
 

If you are interested in any of our products,please feel free to contact us.We are looking forward to cooperating,growing and developing with your sincerely.

 

Choosing the Right Air Compressor For Your Home

You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only 1 motor, they are lightweight, compact, and easy to handle. Using 1 air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A positive displacement compressor applies pressure to a fluid, whereas a centrifugal 1 does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
air-compressor

Oil-free

Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has 1 of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing 1 for your industrial applications.

Single-stage

A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has 1 cylinder and 2 valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery 1 controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, 1 piston, and 1 air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage 1 is suitable for larger-scale arsenals.
air-compressor

CFM

The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting 2 output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.

PSI

The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure 20 to 40 PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least 40 to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as 50 percent on and 20-5 percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by 1 percent.
air-compressor

Power source

The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of power. A one-horsepower compressor would draw about 12 amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with 3 electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

China Hot Sale High Quality SCR15xa Oil Free Scroll Air Compressor China Hot Sale High Quality SCR15xa Oil Free Scroll Air Compressor

China Oil Free Scroll Air Compressor

Product Description

Product name

 Oil Free Scroll Air Compressor

Model

 SS

Cooling Method

Air Cooling

Pressure

 7/8/10 Bar

Power

 2.2-37 Kw

Capacity

 0.25-4 M3/Min

Voltage

380V/50HZ, 220V/60HZ, 400V/50HZ, 415V/50HZ or Customer′s Requirements

Color

Customized

Product Features
1.High quanlity oild free compressed air.
2.High efficiency oil free scroll airend.
3.Low Energy Consumption,Low running,maintenance cost.
4.Aptitude and intelligent Control, integrated touch-screen PLC displayer.
5.Unique safe units make whole compressor more safety, more stable,lest noise,lest energy Loss.
6.Easy to install,operate,maintain.

High quality oil fee compressed air:
A high quality 74 Degree taper connection is used making a more reliable seal reducing the risk of air leakage. SCR’s oil free scroll machine provides 100% oil free air and makes use of fully stainless steel pipework eliminating any possible contamination.

High Efficiency oil free scroll airend:
SCR use a world-renowned scroll airend in the XA range for enhanced reliability. The compression chamber and lubricant system is 100% separated meaning there is no risk of oil contaminated air.

High Reliability:
The XA range use low noise, high pressure centrifugal fans which provides excellent air flow. The oversized cooler has spare capacity of between 20%-30% making the air outlet temperature only +10-15 degrees above the ambient tempera-ture. This reduces the burden of downstream equipment.
 

Model Pressure
(mpa)		 Displacement
(m³/min)		 Power
(kw)		 No Of Air End Dimension
(mm)		 Weight
(kg)		 Outlet Size
SS-0.75/2.2 0.75  0.25  2.2 1 840*780*1066 230 Rc1/2″
SS-0.85/2.2 0.85  0.24  Rc1/2″
SS-1.05/2.2 1.05  0.22  Rc1/2″
SS-0.75/3.7 0.75  0.40  3.7 1 840*780*1066 230 Rc1/2″
SS-0.85/3.7 0.85  0.39  Rc1/2″
SS-1.05/3.7 1.05  0.37  Rc1/2″
SS-0.75/5.5 0.75  0.51  5.5 2 930*1200*1230 360 Rc1″
SS-0.85/5.5 0.85  0.48  Rc1″
SS-1.05/5.5 1.05  0.44  Rc1″
SS-0.75/7.5 0.75  0.80  7.5 2 930*1200*1230 360 Rc1″
SS-0.85/7.5 0.85  0.78  Rc1″
SS-1.05/7.5 1.05  0.74  Rc1″
SS-0.75/11 0.75  1.20  11 3 1400*910*1320 500 Rc1″
SS-0.85/11 0.85  1.17  Rc1″
SS-1.05/11 1.05  1.11  Rc1″
SS-0.75/15 0.75  1.60  15 4 1930*1270*1340 720 Rc1″
SS-0.85/15 0.85  1.56  Rc1″
SS-1.05/15 1.05  1.47  Rc1″
SS-0.75/18.5 0.75  2.00  18.5 5 1930*1270*1340 860 Rc1″
SS-0.85/18.5 0.85  1.95  Rc1″
SS-1.05/18.5 1.05  1.84  Rc1″
SS-0.75/22 0.75  2.40  22 6 1930*1270*1340 900 Rc1″
SS-0.85/22 0.85  2.34  Rc1″
SS-1.05/22 1.05  2.21  Rc1″
SS-0.75/30 0.75  3.20  30 8 2030*1260*2100 1200 Rc1-1/4″
SS-0.85/30 0.85  3.12  Rc1-1/4″
SS-1.05/30 1.05  2.95  Rc1-1/4″
SS-0.75/37 0.75  4.00  37 10 2030*1260*2100 1420 Rc1-1/2″
SS-0.85/37 0.85  3.89  Rc1-1/2″
SS-1.05/37 1.05  3.68  Rc1-1/2″

ZheJiang CZPT Gas Compressor Manufacturing Co.,Ltd. founded in 2005, is a leading high technology of machine and equipment manufacturer integrating the design, R&D, production, sales and service for air compressors & Mining Equipment. Adopting advanced technology, design concept and quality control, and we are CZPT to provide customized products to meet customers’ OEM needs.
Our company has more than 520 employees, including 86 senior technicians and professional engineers. Our technical team provides our customers with professional air system solutions. With the total 15000 square meters of the facility, 4 modern advanced production lines are built up to ensure production capacity to meet customer requirements.
Our company has been awarded the honorary title of “ZheJiang high-tech enterprise” and our products enjoy high honors in the industry. Our company has the ISO9001 certification and was awarded the qualification certificate of equipment through military contracts in 2018.
We offer the following products and services:
1. Screw air compressor
    1.1 Oil-free screw air compressor
    1.2 Oil-injected air compressor
2. Reciprocating piston air compressor
    2.1 Piston air compressor
    2.2 Oil-free piston air compressor
    2.3 Piston medium & high-pressure air compressor
3.Portable air compressor & Mining Equipment
    3.1 Diesel or Electric portable screw air compressor
    3.2 Air Pick, Rock Drill, DTH Drilling Rig, Crawler Drilling Rig
4. Air compressor accessories
    4.1 CZPT or Adsorption compressed air drier
    4.2 Compressed air filter or tank
4.3 Lubrication oil
We have a complete system of after-sales service and quality assurance. The company’s material purchase, inspection, manufacturing, installation, and testing are strictly in accordance with the ISO procedures. which will ensure each compressor has reliable quality and has a complete record to trace, if needed.

Q: Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

Q: How can we start order with your factory?
A: First, leave us an inquiry and advise which item you’re interested, and then we will contact you in 24 hours. You’re so kind if provide all detailed information, will better for us to know exactly what you need.

Q: What are your MOQ?
A: Different products have different MOQ, most is 1 set.

Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages.

Q: How about your delivery time?
A: Generally, it will take 90 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q: Do you a trade company or real factory?
A: We are 100% factory; we located in ZheJiang city, China.

Types of Air Compressors

There are many types of Air Compressors available on the market. Learn which 1 is right for your needs and what makes 1 better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which 1 you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.
air-compressor

Air Compressors

Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in 1 stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use 1 of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
air-compressor

Single-stage models

When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use 2 stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, 1 piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the 2 pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.

Low-noise models

Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These 2 features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
air-compressor

Oil-free models

A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated 1 include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.

China Oil Free Scroll Air Compressor China Oil Free Scroll Air Compressor

China 7.5kw 8 10 Bar Industrial Silent Medical Oil-Free Scroll Air Compressor

Product Description

Product Description

7.5kw 8 10 Bar Industrial Silent Medical Oil-Free Scroll Air Compressor

The compression process of the oil-free scroll is realized by the rotating motion of the fixed scroll and the movable scroll. The air enters from the outside of the main engine, and the moving scroll closes the air inlet after the air is sucked in. As the orbiting scroll rotates, the air is continuously compressed, and the compressed oil-free air is discharged from the center of the stationary scroll. This process is continuously repeated to ensure that the discharged compressed air is continuous without fluctuations.

Model :  Scroll Oil Free Series 
Type:  Scroll Oil Free Screw Air Compressor
Voltage:  380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:  8~10bar
Installed Motor Power:  3~33 Kw
Color:  Blue
Driven Method: Belt Driven
Transport Package:  Standard Wooden Packing
Available Certificate:  CE, ISO, UL, ASME, GHOST
Origin:  ZheJiang , China
application: Dentistry,Laboratory,New Energy

Product Features

1.High efficiency oil free scroll airend.100% oil-free. can be used in any industry, especially suitable for users with high oil content requirements for compressed air.
2. Aptitude and intelligent Control, integrated touch-screen PLC displayer.
3.Unique safe units make whole compressor more safety, more stable,lest noise,lest energy Loss.
4.Quiet operation. The operation noise of the scroll air compressor is extremely low, and the working environment is healthier.
5.Easy to install,operate,maintain, no need to replace or add lubricating oil, only a small amount of consumables need to be replaced regularly, and the maintenance cost is low. 
6.Zero pollution, only discharge of condensate water, no other harmful substances, in line with the requirements of sustainable
development. provide High quanlity oild free compressed air.
 

Product Parameters

 

Model Max outlet pressure Air delivery Power Noise Length Width Height Outlet diameter Weight
bar.G L/min kw dB(A) mm mm mm kg
RO02-A8 8 240 3 ≤60 660 640 890 1/2″ 200
RO02-A10 10 210 3 ≤60 660 640 890 1/2″ 200
RO04-A8 8 410 3.7 ≤60 660 640 890 1/2″ 220
RO04-A10 10 360 3.7 ≤60 660 640 890 1/2″ 220
RO05-A8 8 600 5.5 ≤60 660 640 890 3/4″ 350
RO07-A8 8 816 7.5( 3.7*2) ≤60 1000 690 990 3/4″ 300
RO07-A10 10 760 7.5( 3.7*2) ≤60 1000 690 990 3/4″ 300
RO11-A8-M 8 1200 11(5.5*2) ≤60 1000 690 990 3/4″ 400
RO11-A8-S 8 1200 11(3.7*3) ≤62 1000 690 1395 3/4″ 430
RO11-A10-S 10 1080 11(3.7*3) ≤62 1000 690 1395 3/4″ 430
RO15-A8-S 8 1600 15(3.7*4) ≤65 1000 690 1865 1″ 620
RO15-A10-S 10 1440 15(3.7*4) ≤65 1000 690 1865 1″ 620
RO16-A8-M 8 1800 16.5(5.5*3) ≤65 1000 690 1395 1″ 490
RO18-A8-S 8 2140 18.5(3.7*5) ≤70 1490 1150 1700 1″ 840
RO18-A10-S 8 1770 18.5(3.7*5) ≤70 1490 1150 1700 1″ 840
RO22-A8-M 8 2550 22(5.5*4) ≤70 1000 700 1865 1″ 700
RO22-A8-S 8 2550 22(3.7*6) ≤70 1490 1150 1700 1″ 910
RO22-A10-S 10 2110 22(3.7*6) ≤70 1490 1150 1700 1″ 910
RO30-A8-S 8 3400 30(3.7*8) ≤75 1490 1150 2140 1 1/4″ 1140
RO30-A10-S 10 2810 30(3.7*8) ≤75 1490 1150 2140 1 1/4″ 1140
RO33-A8-M 8 3600 33(5.5*6) ≤75 1490 1150 1700 1 1/4″ 1571

Packaging & Shipping

1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package
(for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)

Company Profile

Certifications

Payment and delivery

After Sales Service

1. 24 hours online service
2. Provide OEM & ODM customized service
3. Each machine will be repeatedly tested before leaving the factory.
4. On-time delivery and excellent after-sales service.
5. High quality and reliable price.

FAQ

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 years of experience in air compressor manufacturing.

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.

Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
     2. Well-trained engineers available to overseas service.
     3.Worldwide agents and after service avaiable.arrange our engineers to help you training and installation.

Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.

Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
     2. Some key parts are imported from overseas
     3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.

Q10.How long could your air compressor be used?
A: Generally, more than 10 years.

A Buyer’s Guide to Air Compressor Types

There are many types of Air Compressors, and it’s important to understand what each type has to offer. In this article, we’ll discuss single stage air compressors, low-noise compressors, and models with 2 pistons. But, before you buy an Air Compressor, be sure to read our buyer’s guide to the various types. This way, you’ll have all of the information you need to make the right decision for your business.
air-compressor

Single-stage air compressors

A single-stage air compressor is an excellent choice for most general-purpose purposes. They provide enough power to operate pneumatic tools, and they produce less heat. Single-stage air compressors, however, are not suitable for heavy-duty industrial uses. However, they can be used in various applications, including auto shops, gas stations, and various manufacturing facilities. They are also suitable for borewells and other high-pressure places.
These air compressors are a great choice for home use and are suitable for small-scale businesses, contractors, and small shops. These compressors have continuous duty cycles, cast iron compressor pumps, and a minimum 5,000-hour pump life. They also feature advanced features, including ODP motors, Auto Start & Controls, Receiver tanks, and power cords. They have low maintenance and can save you a great deal of money.
Single-stage air compressors are generally less expensive and lighter than their two-stage counterparts. Single-stage air compressors are also more portable, which is a plus for small projects. While two-stage compressors offer higher CFM, they are more powerful and bulky, making them unsuitable for small or home use. So it is essential to determine what you will use the air compressor for and decide on a model based on your needs.
A single-stage air compressor is made of a piston and a tank. The piston moves rapidly inside the cylinder and exerts pressure on the cylinder. This means that the piston can’t move any faster than the air pressure outside the cylinder. The piston is designed to operate in the same way for each stage. This is a great choice for home shops and one-man automotive shops, as it allows you to control the pressure without sacrificing the pump’s life.
Single-stage air compressors are often cheaper than two-stage versions, but they are not the best choice for every application. If you are only using your air compressor occasionally, you’ll find a one-stage model to be much more reliable than a two-stage model. The main difference between the 2 types of compressors is in the amount of air that each stage compresses. A two-stage air compressor will have more air storage capacity, but it will still produce more pressure.

Rotary vane compressors

Rotary vane compressors use a centrifugal pump to compress air. The rotor is set eccentrically in the housing, which almost touches the vane. As the rotor turns, the air that enters the pump is trapped between the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are small pieces of carbon fiber or graphite composite. Vanes may be made of different materials depending on the application.
While rotary vane pumps are not commonly used to produce compressed air, they are widely used in automotive and hydraulic applications. Chances are, you have used a rotary vane pump at some point in your life. These pumps are also common in the vacuum and compressed air industries. As a result, many people don’t realize that they’re still around. They feature slots that allow the vanes to slide in and out of the rotor.
A rotary vane compressor has a drum and rotor inside. The rotor is eccentrically positioned and has slots and grooves on its surface. Its inlet and outlet ports are situated off-center, allowing the vanes to be pushed out by centrifugal force. Because the rotor rotates so quickly, air is trapped between the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be easily serviced and repaired. A simple replacement of carbon vanes requires just 15 minutes and common tools. The carbon vanes typically last 9 to 18 months, depending on system operating pressure. Before purchasing a rotary vane compressor, make sure to check whether it has been properly performance-tested and has a warranty. Generally, warranties cover the rotor/stator chambers but do not cover the vanes or air filters. You should also check if the unit is covered by a lightning or water damage warranty.
Rotary vane compressors are an integral part of manufacturing industries. Many pharmaceutical manufacturing facilities depend on rotary vane compressors to control their equipment. Other industries that use rotary vane compressors include the plastics, woodworking, natural gas, and medical & dental fields. Their benefits are numerous and far outweigh any disadvantages of rotary screw compressors. For example, a rotary vane compressor can double the life of a conventional compressor.
air-compressor

Rotary vane compressors with low-noise models

If you are looking for a rotary vane air compressor, you have come to the right place. CZPT’s LV Series rotary vane compressors offer low-noise models, compact size, and robust integration. In addition to their low-noise features, they feature large filter systems to deliver high-quality compressed air. The LV Series models also feature CZPT’s reputation for reliability and quality.
This type of compressor uses centrifugal force to operate and is limited in its top and minimum operating speeds. They are only a third as powerful as screw compressors, and their top speed limits are much lower. Furthermore, the vanes wear out easily at high speeds because there is not enough centrifugal force to seal them against the cylinder’s edges. Even at half their full capacity, they consume as much as 80% of their total energy rating.
Because piston compressors produce a lot of noise, factory owners and shop owners have begun to install noise-dampening cabinets and other solutions. But, rotary vane compressors produce far less noise than a traditional vacuum, and the maintenance costs are also low. Rotary vane compressors are also extremely helpful in several industries. They are used in the automotive and auto finishing industries, as well as in dairy industries and milking machines.
If you have a deep pond, a rotary vane air compressor kit can pump up to 20 feet of water. This is more than enough airflow for 2 to 5 diffusers. A 1/4 HP rotary vane kit pumps around 4.2 CFM. It also helps to increase circulation and oxygen levels in the pond. Finally, a 1/4 HP kit offers the necessary power to clean up the bottom of a pond.
The rotary vane and rotary screw are the most popular air compressors today. While they are similar in many ways, they are more versatile and durable than their counterparts. They use fewer angular contact ball bearings and require less frequent maintenance than piston air compressors. Compared to piston air compressors, rotary vane and rotary screw compressors are quieter and are less expensive.
air-compressor

Rotary vane compressors with 2 pistons

The rotary vane and rotary screw compressors are similar in application, but both have different advantages and disadvantages. This article will compare the benefits of each and highlight the differences between them. While both are commonly used in industrial applications, rotary vane compressors are preferred by many industries. These compressors also have a wide range of uses, ranging from automotive air tool operation to milking machines. These compressors also have the advantage of being quieter than piston-powered ones.
The current common rail position may not be suitable for pressure swirl injectors, but new positions have been tested and show improvements in specific energy values. Moreover, the current position is not required for external oil pumps. However, mass induction and expulsion have to be performed with utmost care. This article focuses on the design and efficiency of rotary vane compressors. You can find more information about this new design in the references mentioned below.
The advantages of this type of compressor are its low cost, compact size, and easy maintenance. Hence, they are preferred in low capacity applications. Moreover, they feature integrated vanes. The rotating vanes close the air gap and compress air towards the outlet. Compared to piston-powered compressors, these units are cheaper and more reliable. Therefore, you should choose 1 with the lowest price tag. You can also opt for rotary vane compressors that are oil-free.
Sliding vane compressors are another popular variant. They have a single cylinder connected to the compressor and are capable of operating at low speeds. This design also reduces the amount of friction and maintains volumetric efficiency. However, the sliding vane compressors suffer from high frictional losses. If you are looking for a more efficient rotary compressor, this is the best option. While sliding vane compressors have been in the spotlight for over a century, they are still quite young.
These compressors are easy to install and maintain. They are also quieter than piston compressors. They are also cheaper than piston-driven compressors. The energy efficiency and low price make them the perfect choice for any commercial or industrial application. If you’re looking for a small, compact compressor, the rotary vane has been proven to be the best choice for your needs. You should know that it has a long service life.

China 7.5kw 8 10 Bar Industrial Silent Medical Oil-Free Scroll Air Compressor China 7.5kw 8 10 Bar Industrial Silent Medical Oil-Free Scroll Air Compressor

China (SCR40XA) Hot Sale Japanese Technology 100% Oil Free Scroll Air Compressor High Performance Screw Air Compressor Belt Driven Air Cooling

Product Description

Product Technical Description

Model :  Scroll Oil Free Series (XA)
Type:  Scroll Oil Free Screw Air Compressor
Voltage:  380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:  8~10bar
Installed Motor Power:  11~30 Kw
Color:  Blue
Driven Method: Belt Driven
Trademark:  SCR
Transport Package:  Standard Wooden Packing
Available Certificate:  CE, ISO, UL, ASME, GHOST
Origin:  ZheJiang , China
application:  Dentistry,Laboratory,New Energy

Product Features
1.High quanlity oild free compressed air.
2.High efficiency oil free scroll airend.
3.Low Energy Consumption,Low running,maintenance cost.
4.Aptitude and intelligent Control, integrated touch-screen PLC displayer.
5.Unique safe units make whole compressor more safety, more stable,lest noise,lest energy Loss.
6.Easy to install,operate,maintain.

High quality oil fee compressed air:
A high quality 74 Degree taper connection is used making a more reliable seal reducing the risk of air leakage. SCR’s oil free scroll machine provides 100% oil free air and makes use of fully stainless steel pipework eliminating any possible contamination.

High Efficiency oil free scroll airend:
SCR use a world-renowned scroll airend in the XA range for enhanced reliability. The compression chamber and lubricant system is 100% separated meaning there is no risk of oil contaminated air.

High Reliability:
The XA range use low noise, high pressure centrifugal fans which provides excellent air flow. The oversized cooler has spare capacity of between 20%-30% making the air outlet temperature only +10-15 degrees above the ambient tempera-ture. This reduces the burden of downstream equipment.

SCR Oil Free Scroll Compressor
Model SCR15XA-8/10 SCR20XA-8/10 SCR30XA-8/10 SCR40XA-8/10
Exhausting Capacity 1.2/1.0 1.6/1.4 2.6/2.1 3.5/2.8
(m³/min)
Power (KW) 11 15 22 30
Horse Power (HP) 15 20 30 40
Drive Method Belt Driven
Discharge Temperature ºC Ambient+15ºC
Noise db(A) 65 68 70 72
Power Supply 380(400,415)V/50Hz/3Phase,220V/60Hz/3P
Size mm 1350*1200*800 800*1200*1800 1200*1400*1500 1200*1400*1800
Weight Kg 450 650 900 1300
Air Outlet Size Rc1 Rc1 Rc1 Rc1

Product Categories

Advantages

Application

About SCR

FAQ

1   What trade terms do we provide? What kind of settlement currency do we offer?

Trade term :CIF ,CFR ,FOB,Ex-Works 
As far Our business traded in Dollars ,Euros and RMB .

2   How long is our delivery?

Our standard delivery time is 30-40 days after confirmation order & receiving recipets for standard compressors, for the other non standard requirement will be discussed case by case.

3   What is the voltage of the compressor?

The available voltage include 380V/50HZ/3Phase, 400V/50HZ/3P, 415V/50HZ/3P, 220V/60HZ/3P, 380V/60HZ/3P, 440V/60HZ/3P. At the same time we provide other voltage  according to customer requirement.

4  Can our compressor run in high temperature environment? What is the working temperature range for our machine?

Yes ,our machine would run in high temperature environment ,until now our products have been sold to many countries which would meet high temperature in summer ,such like Iraq, Saudi Arabia, Egypt, Algeria, etc. 
Work temperature range :1-45 ºC(33.8ºF-113ºF)

5  What’s the min. Order requirement ?

Min. Order requirement is 1PCS. 

Contact us

Company Name: ZheJiang Screw Compressor Co., Ltd
Contact Person: Vincent Sun
 

If you are interested in any of our products,please feel free to contact us.We are looking forward to cooperating,growing and developing with your sincerely.

 

Choosing an Air Compressor

Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.
air-compressor

Positive displacement

There are several different types of air compressors, but most are positive displacement air compressors. They use a rotary or reciprocating component to compress air. The reciprocating component compresses air by reducing the volume of the chamber. Positive displacement compressors are used in bicycle pumps, chemical plants, and refrigerators. Positive displacement air compressors use multiple inlet ports. Despite the various types, the principle of operation remains the same.
Another type of positive displacement air compressor is a reciprocating piston. The piston inside a cylinder moves up and down, causing the compressed air to fill the upper part of the cylinder. These air compressors are used in a variety of different applications, including blowing bottles and gas pipelines. These air compressors can be water-cooled, lubricated, or non-lubricated. Different types have different capacities and air pressures.
A positive displacement flowmeter uses a rotating chamber that divides continuous fluid into discrete portions. The number of times the chamber is filled and discharged can be used to estimate the flow rate. The rotation speed of the measuring chamber is directly proportional to the flow rate. The drawbacks of this type of positive displacement flowmeter are that it is prone to jamming. If the fluid contains particles, it may be too thick for the meter to determine flow rate.
A negative displacement air compressor was invented in 1860 and is the oldest type of compressor. It uses 2 lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other 1 to spin in the opposite direction. Negative displacement compressors are low-maintenance, but they do require more precision. They are often used in nuclear power plants because they use the kinetic energy of the rotating elements to produce pressure.

Oil-injected

Oil-flooded or oil-injected air compressors use liquid to seal and lubricate moving parts and reduce noise. Oil-flooded air compressors are effective for a variety of pneumatic tools and accessories. Some models have a thermostat that controls the amount of oil used during operation. Other types of oil-flooded air compressors are piston-type models. Here is an overview of the basic differences between these 2 air compressors.
An oil-injected air compressor is more expensive than a comparable oil-free air compressor, but its advantages far outweigh its disadvantages. An oil-free compressor is quieter, requires less maintenance, and has a lower price tag. It also offers a greater degree of air purity. A number of other advantages may also make this type of air compressor the better choice for many industrial settings. If you need a high-pressure compressor in a tight space, consider the benefits of an oil-free system.
Oil-injected air compressors require more maintenance than oil-free models. Both types of air compressors offer similar capacity and ISO 8573-1 Class 0 and 1-2 purity, but the oil-injected systems require more air-treatment components. They require an activated carbon filter and coalescing filter. Oil-injected air compressors will likely remain the standard for industrial air compressors for many years. And since their performance and efficiency are comparable, it may be worthwhile to invest in some point-of-use air treatment.
Both types of air compressors have their benefits. However, choosing between oil-free and oil-injected air compressors is not as straightforward as you might think. Whichever type you choose, make sure it will meet your needs. The benefits of an oil-injected air compressor outweigh their disadvantages. In general, oil-injected air compressors are more durable and can last longer than oil-free models. The only downside is their higher price.
air-compressor

Oil-free

When choosing an air compressor for your company, you’ll need to determine what it is going to be used for. For example, if you’re planning on using it to power multiple workers, you should consider getting an oil-free compressor. An oil-free compressor, on the other hand, is quieter and can power several workers at a time. If you’re a contractor, the most important consideration will be the type of jobs you’ll be doing. Higher air pressure means greater demand for air flow, and more pressure can damage the equipment.
Oil-free compressed air is certified 100% free of contaminants. Technically, oil-free air is not completely free of foreign matter, but it is extremely low within the limits of practical air quality. A technically oil-free air compressor might have a total oil level of 0.003 mg/m3. If you’re in need of a technically oil-free air compressor, you must install an air treatment equipment after your current compressor.
If you’re in the manufacturing industry, a good oil-free air compressor will save you money and reduce your environmental impact. Many of these tools require air compressors to work, and this equipment will ensure that they don’t get contaminated. To buy the best oil-free compressor, you should learn a bit about the different terms used by compressor repair companies. ACFM, for example, is the amount of air that can be compressed in 1 minute at rated conditions.
When you’re using an oil-free air compressor, you should know that the overall life of the device will be much shorter. Compared to an oil-flooded rotary screw air compressor, an oil-free compressor typically has a lifespan of 50 thousand hours. But it’s important to understand that this type of compressor can still cause damage to piping and processes. Therefore, you should choose an oil-free compressor when you need to clean air for your business.

Single-stage

A single-stage air compressor, also known as a piston air compressor, compresses air only once before storing it in a cylinder. This stored air has enough energy to power a variety of pneumatic tools, such as screwdrivers, chisels, and wrenches. These units are also ideally suited for low-flow applications and are widely used in gas stations, auto shops, and various manufacturing plants.
A single-stage air compressor uses 2 valves – 1 for inlet and 1 for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide protection from damage. The compressor’s outlet valve opens when the pressure in the cylinder is higher than the pressure in the storage tank. The piston moves very quickly inside the cylinder, exerting a high amount of force throughout the compression process. This high piston speed is a common cause of compressor wear and tear.
A single-stage air compressor is ideal for smaller tradesmen and small construction crews. Its lightweight and compact design make it easier to transport and store. While it may be tempting to buy the first cheap air compressor you see, it’s important to balance the price against performance to choose the right air compressor for your needs. The best single-stage air compressor is 1 that provides excellent performance and durability. Its two-stage counterpart is designed for larger construction teams and large applications.
The main difference between a single-stage and a two-stage air compressor lies in their capacity. A single-stage air compressor compresses air only once and delivers it into the storage tank, while a two-stage compressor compresses it twice, creating double the pressure. Because of this, single-stage air compressors are cheaper and versatile than their counterparts, which means that they can be used for multiple purposes.
air-compressor

Low-noise

A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors.
Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase 1 with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle.
Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle.
Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise 1 is an excellent choice.

China (SCR40XA) Hot Sale Japanese Technology 100% Oil Free Scroll Air Compressor High Performance Screw Air Compressor Belt Driven Air Cooling China (SCR40XA) Hot Sale Japanese Technology 100% Oil Free Scroll Air Compressor High Performance Screw Air Compressor Belt Driven Air Cooling

China Oil-Free Scroll Air Compressor for Bus

Product Description

Specifications
Characteristics of vehicle-mounted oil-free scroll air compressor
Oil-free and safe: the compressed air is completely free of oil and water. There is no need to worry about the hidden dangers of oil emulsification, oil leakage, fire, and oil shortage braking, which greatly improves the safety performance
Energy-saving, high efficiency, and simple maintenance: the unique structural design makes the compression process without energy waste, with few parts, high manufacturing accuracy, no vulnerable parts, and very low maintenance cost
Intelligent: intelligent information feedback helps the intelligent control system and improves vehicle safety
High environmental adaptability: it can operate reliably under extreme climatic conditions from – 40 ºC to + 65 ºC
Mute: the oil-free scroll air compressor has small torque variation and no complex motion structure, so it has low noise, low vibration, more quiet and comfortable.

flow from 60L/min-600L/min
 

Items Unit Parameters
Volume flow m3/min 0.56
Work pressure MPa 0.8~1
 power kw 5.5
Motor protection grade   IP67
Power V DC600
Transmission way   Direct connection (coupling)
Exhaust temperature ºC ≤85ºC( After radiator)
Oil content standard of the outlet gas   Class 0
Dimension(Length×Width×High) mm 797*404*420

RFQ:
 
1) MOQ
MOQ is 200pcs for customization. Stock mold can be lower quantity as your request. 
 
2). Item of payment
 a. T/T:40% deposit, 60% balance after passing QC inspected before shipping.
 b. Paypal 
 c. Western Union
3). Samples? 
If we have a stock sample, we’d like to send it to you immediately, If you need to make your own style, it will cause the sample charge, We will refundable the sample charge to you if your order quantity is up to 3000pcs.
4).sample time? 
Depending on your request, as usual, It will take about 6-7 workdays to make the new sample as your need 
5). Mass product time? 
It takes about 23 days for 1000pcs. 
6).freight charge for mass products? 
It will base on your request, saying: small order, we’d like to advise you shipping by express will be favorable, You can choose by sea or Air, the freight charge will be based on the date when you place an order.
Our Services
 1. QC workers will inspect each process 100%, Guarantee the quality.
2. After-sales service available.
3. OEM & ODM designer team available.
4. Professional knowledge of famous brand items.
5. Professional sales team, All of your emails will be replied with 12 hours
 
Company Information
 
HangZhou Zhihe industrial Co., Ltd is a professional vehicle HVAC/Compressor supplier in ZheJiang Province, China.  We′re specializes in transport compressors such as electric vehicle air-conditioner scroll compressor, 12/24VDC electric compressor for truck additional air conditioner, compact horizontal hermetic scroll compressor for E-bus, subway, etc.
We also provide customers with vehicle air conditioning system solutions and products, such as a 12 / 24 VDC truck cab no idle air conditioning system, locomotive cab air conditioning system, RV air conditioning system, etc.
Our technical team has gained a good reputation in the field of electric vehicles, electric buses, and rail transit. Our products have surpassed their counterparts from the US and Japan in some special parameters, High efficiency, reliability, and compactness.
Our products are suitable for many different refrigerants, including R134A, R407C, R410A, ETC. Our annual output is 500, 000 PCS of EV-use semi-hermetic scroll compressors, 50, 000 PCS of hermetic horizontal inverter compressors.20000PCS of cab air conditioning.
We not only supply products but also provide comprehensive application guidance and technical support for our clients.
Our compressor driver is provided by our group company, which has many years of experience in automotive air conditioning control systems and mobile cold chain control systems. This is an advantage that other compressor companies do not have. The group has a number of R & D service institutions in Europe Company.
The business concept is Quality, Innovation, High-Efficiency, and Credit. Warmest welcome your visit. Looking forward to working with you!

 

Choosing the Right Air Compressor For Your Home

You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only 1 motor, they are lightweight, compact, and easy to handle. Using 1 air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A positive displacement compressor applies pressure to a fluid, whereas a centrifugal 1 does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
air-compressor

Oil-free

Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has 1 of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing 1 for your industrial applications.

Single-stage

A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has 1 cylinder and 2 valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery 1 controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, 1 piston, and 1 air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage 1 is suitable for larger-scale arsenals.
air-compressor

CFM

The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting 2 output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.

PSI

The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure 20 to 40 PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least 40 to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as 50 percent on and 20-5 percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by 1 percent.
air-compressor

Power source

The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of power. A one-horsepower compressor would draw about 12 amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with 3 electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

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