Product Description
Product Description
75kw/100HP IE4 High Efficiency Permanent Magnet Motor Variable Frequency Two Stage Screw Air Compressor Compresor de aire de tornillo
Model: DHH75DM
Type: stationary air-cooled twin-screw air compressor
Installation method: fixed baseless installation
Rated air volume: 15.5m3/min
Rated exhaust pressure: 0.8MPa
Exhaust oil content: ≤2 ppm
Exhaust temperature: ≤ ambient temperature + 10 ~ 15 °C
Compression stage: 2 stages
Transmission mode: direct connection
Compression oil consumption: 65L
Cooling method: air cooling
Cooling air volume: 16000m3/h
Ambient temperature: 0 to 45°C
Noise: ≤72db
Dimensions: 2300×1300×1830mm
Equipment weight: 1700kg
Speed: 1500r/min
Voltage/Frequency: 380/50HZ/V
Start mode: frequency conversion start
Motor protection class: IP54
Insulation class: F
Fan power: 2.2KW
Product Parameters
1.power frequency
| ODEL | Air flow Capacity (m³/min) |
Power (kW) |
Noise (DB) |
Outlet Diameter |
Dimension ( mm) |
Weight (Kg) |
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| 0.6Mpa | 0.7Mpa | 0.8Mpa | 1.0Mpa | 1.3Mpa | ||||||
| DD-75 | 15.80 | 14.70 | 13.00 | 9.50 | 8.60 | 55 | 70 | DN50 | 2300x1300x1830 | 1534 |
| DD-100 | 18.80 | 17.40 | 15.50 | 12.80 | 10.00 | 75 | 72 | DN50 | 2300x1300x1830 | 1700 |
| DD-125 | 21.30 | 20.70 | 19.50 | 16.50 | 13.00 | 90 | 72 | DN65 | 2550x1630x1850 | 2080 |
| DD-150 | 26.50 | 26.30 | 25.00 | 20.00 | 18.80 | 110 | 72 | DN65 | 2550x1630x1850 | 2120 |
| DD-175 | 34.00 | 32.60 | 30.00 | 24.00 | 20.00 | 132 | 78 | DN80 | 3000x1828x2310 | 4850 |
| DD-220 | 41.00 | 38.00 | 37.00 | 29.60 | 24.50 | 160 | 78 | DN80 | 3000x1828x2310 | 5000 |
| DD-250 | 44.00 | 41.00 | 40.00 | 34.00 | 31.00 | 185 | 78 | DN100 | 3460x1940x2230 | 5900 |
| DD-275 | 48.00 | 44.00 | 45.00 | 40.00 | 33.00 | 200 | 78 | DN100 | 3460x1940x2230 | 6200 |
| DD-275 | 55.00 | 51.00 | 50.00 | 43.00 | 38.00 | 220 | 80 | DN125 | 3860x2130x2380 | 8500 |
| DD-350 | 60.00 | 57.00 | 56.00 | 47.00 | 43.00 | 250 | 80 | DN125 | 3860x2130x2380 | 8650 |
2.Permanent magnet
| Model | Air Delivery (m3/min) | Power (kW) | Noise (Db) | Outlet diameter | Dimension (mm) | Weight (Kg) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 0.7Mpa | 0.8Mpa | 1.0Mpa | 1.3Mpa | Length | Width | Height | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-30 | 4.50 | 4.20 | 3.40 | 2.60 | 22 | 68 | G1 | 1440 | 830 | 1265 | 840 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-40 | 6.05 | 5.80 | 4.18 | 4.00 | 30 | 68 | G11/2 | 1600 | 940 | 1410 | 950 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-50 | 7.50 | 6.80 | 6.00 | 4.60 | 37 | 68 | G11/2 | 1600 | 940 | 1410 | 1050 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-60 | 10.50 | 9.90 | 6.80 | 5.71 | 45 | 72 | G2 | 2000 | 1120 | 1590 | 1560 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-75 | 13.60 | 12.30 | 10.15 | 7.00 | 55 | 76 | DN50 | 2900 | 1470 | 1625 | 1780 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-100 | 16.00 | 15.50 | 12.80 | 10.20 | 75 | 76 | DN50 | 2900 | 1470 | 1625 | 2000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-125 | 20.70 | 19.50 | 16.15 | 13.20 | 90 | 76 | DN65 | 3400 | 1757 | 1860 | 2700 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-150 | 24.80 | 24.00 | 20.20 | 15.21 | 110 | 76 | DN65 | 3400 | 1757 | 1860 | 3000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-175 | 29.00 | 28.00 | 23.20 | 18.70 | 132 | 78 | DN80 | 3750 | 1900 | 1980 | 4650 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-220 | 34.00 | 32.50 | 28.00 | 23.10 | 160 | 78 | DN80 | 3750 | 1900 | 1980 | 4850 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-250 | 39.00 | 38.00 | 32.00 | 27.70 | 185 | 78 | DN100 | 3900 | 2100 | 1980 | 5900 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-275 | 43.20 | 42.00 | 38.10 | 31.90 | 200 | 78 | DN100 | 3900 | 2100 | 1980 | 6200 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-300 | 48.51 | 46.20 | 41.20 | 31.60 | 220 | 82 | DN100 | 4260 | 2182 | 2170 | 6200 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| DDM-350 | 52.50 | 51.00 | 45.80 | 37.20 | 250 | 82 | DN100 | 4260 | 2182 | 2170 | 6500 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Two stage air end
Feature:Two-stage compressor air-end
Advantage:Low compression ratio, Low temperature rising, Low air leakage
Benefit:15% energy-saving
High-efficiency Motor
Feature:IE4 permanent magnet motor/IE4 High-efficiency motor
Advantage:Motor efficiency 97%
Benefit:5% energy-saving
Intelligent control
Feature:VFD system
Advantage:Constant pressure output to remove pressure fluctuation and off-load, Constant temperature output at 9-~85°C, Low starting current to protect components
Benefit:15% energy-saving
Smart display screen
Feature:Intelligent control system
Advantage:10 inch monitor to show all the date
Benefit:Simple operation and touble free
Cooling fan
Feature:Large cooler system
Advantage:Axial flow Fan used for good cooling effect
Benefit:Allow ambient temperature at 52°C
Systematic Design of Oil separator
Feature:Large oil system
Advantage:Reduce internal pressure loss avoid oil, Leakage for safety
Benefit:3% energy-saving
Filter
Feature:Double filtering system
Advantage:Remove impurity from air and cleanness
Benefit:Longer life air -end and lubrication oil
Air inlet valve
Feature:High vacuum degree:700mmHg
Advantage:Large suction area, Low load energy consumption in unloaded operation,
Fast check: prevent unloading and shutdown oil injection
Benefit:Cast aluminum to avoid rust and temperature change
Application industry
Project case
Company Profile
About us
Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineers’ teams.We focus on the research & develop, manufacture and energy-saving solutions of screw air compressor to create value for customers and society.
Dehaha opened to the world since 2015, and now we have a foreign trade department with more than dozens people, serving customers around the world 24 hours. We have sales representatives who can speak English, Spanish, Portuguese, French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.now our valued customers are over 130 countries. Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.
Dehaha continuously innovates product development and management to meet customers’ demand. The powerful enterprise culture and continuous innovation make CZPT improved rapidly to reach the business principle “Energy Saving First, Mutual Value Shared”. The production line of CZPT is consist of screw air compressor from 5.5KW to 550KW, oil free air compressor, portable air compressor, permanent magnet variable frequency air compressor, high pressure air compressor and compressed air purification equipment, etc.
Dehaha mission is to be a world-renowned high-end brand, with sustainable development, constantly improving its own value and sharing it with our customers and staff. Committed to offer our customers a silent and energy-saving manufactured products.
Our service
Our service
1.24/7 after sales service support in different languages.
2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in DEHAHA air compressor factory or working site.
5.Plenty of original spare parts with proven quality are all available from our central stocks in ZheJiang and all distributors’depots.
6.All kinds of technical documents in different languages.
FAQ
FAQ
1.Why customer choose us?
DHH CZPT ZheJiang CO.,LTD.with 23 years old history,we are specialized in Rotary Screw Air Compressor.Germany Standard and 13 years exporting experience help us won more than 30 loyal foreign agents.We warmly welcome your small trial order for quality or market test.
2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in HangZhou,China,with professional design team.Both OEM & ODM service can be accepted.
3.Where is your factory located? How can I visit there?
Our factory is located in HangZhou City, ZheJiang Province, China. We can pick up you from ZheJiang , it’s about 1 hour from ZheJiang Xihu (West Lake) Dis. Airport to our factory. Warmly welcome to visit us!
4.What’s your delivery time?
380V 50HZ we can delivery the goods within 14 days. Other electricity or other color we will delivery within 22 days,if urgently order,pls contact our sales in advance.
5.How long is your air compressor warranty?
One year for the whole machine and 2 years for screw air end, except consumable spare parts and we can provide some spare parts of the machines
6.How does your factory do regarding quality control?
Quality is everything. we always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001:2015 authentication and CE certificate.
7.How long could your air compressor be used?
Generally, more than 10 years.
8. What’s payment term?
T/T,L/C,D/P,Western Union,Paypal,Credit Card,and etc.Also we could accept USD, RMB, Euro and other currency.
9.How about your customer service?
24 hours on-line service available.48 hours problem solved promise.
10.How about your after-sales service?
(1) Provide customers with installation and commissioning online instructions.
(2) Well-trained engineers available to overseas service.
(3) CZPT agents and after service available.
| After-sales Service: | Online Support |
|---|---|
| Warranty: | 24months |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Cylinder Position: | Vertical |
| Customization: |
Available
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How to Repair and Maintain an Air Compressor
A compressor is a device used to move air from one 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 two 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 two 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.
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 one 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.
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.
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 three 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 three separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.
editor by CX 2023-06-13
China Standard 37kw/50HP Two Stage Permanent Magnet VSD Screw Air Compressor & Rotary Air Compressor at-50ad-Zpm air compressor CZPT freight
Product Description
Product Description:
The screw air compressor is composed of a pair of parallel and intermeshing female and male screws. It is the most widely used rotary compressor.
There are 2 types of single-screw and twin-screw. Generally speaking, the CZPT refers to the twin-screw compressor. It was first proposed by the German H. Krigar in 1878. It was not until 1934 by A. Lysholm of the Royal Institute of Technology in Sweden that the technology was established, and it began to be applied in industry and achieved rapid development.
Product Photo:
Product Specification:
| Model | AT-30AD-ZPM | AT-50AD-ZPM | AT-60AD-ZPM | AT-75AD-ZPM | AT-100AD-ZPM | AT-120AD-ZPM | AT-150AD-ZPM | AT-175AD-ZPM |
| Air Delivery (m3/min)/ Pressur(Mpa) | 4.2/0.8 | 7.1/0.8 | 9.7/0.8 | 12.5/0.8 | 16.5/0.8 | 19.8/0.8 | 23.5/0.8 | 28/0.8 |
| 3.5/1.0 | 6.3/1.0 | 7.8/1.0 | 9.6/1.0 | 12.5/1.0 | 16.9/1.0 | 19.7/1.0 | 23.5/1.0 | |
| 3.2/1.3 | 5.4/1.3 | 6.5/1.3 | 8.6/1.3 | 11.2/1.3 | 14.3/1.3 | 17.6/1.3 | 19.8/1.3 | |
| Cooling Method | Air Cooling | |||||||
| Lubrication Volume(L) | 18 | 30 | 30 | 55 | 55 | 110 | 110 | 110 |
| Driving Mode | Direct Driven | |||||||
| Voltage | 220-440V;50/60Hz | |||||||
| Power(KW/HP) | 22/30 | 37/50 | 45/60 | 55/75 | 75/100 | 90/120 | 110/150 | 132/175 |
| Start System | Variable Frequency Starting | |||||||
| Size(cm) | 175*110*142 | 189*123*157 | 189*123*157 | 216*136*166 | 216*136*166 | 263*164*192 | 263*164*192 | 263*164*192 |
| Weight | 1100 | 1200 | 1300 | 1850 | 1950 | 2550 | 2650 | 2850 |
| Outlet size | Rp1&1/2″ | Rp2″ | Rp2″ | Rp2″ | Rp2″ | DN80 | DN80 | DN80 |
Product Parameters:
Product Details:
New generation of high-efficient Airend
1.Advanced and energy saving spiral tooth-type technology.
2.New Type 5:6 asymmetrical rotator tooth type.
3.Power increased by more than 5%-10% in air dischage when compared to other ordinary machine.
High -efficient power system
1.PM motor adopts high-performance NdFeB, which will not lose magnetism under 200ºC and its service life reaches as long as 15 years.
2.Coaxial structure design,drive efficiency of bearingless structure is 100%.
3.No regular grease injection, no replacement of bearings on a regular basis.
4.The motor is small in size, low noise,low in vibratio and smooth in operation.
High-Performance Inverter
1.Equipped with high frequency reactor, reducing the frequency converter.
2.Reduces CZPT current when it is started, realizes stable starting.
3.Can be automatically adjust the speed of the Motor accoring to your actual requirement, Energy saving up to 35%.
High Efficient oil and gas speraration system
with the world famous brand apoda oil and gas sperarator, reduce the oil content of the compressor exhaust gas and the oil content of the unit power consumption is only 1-2PPM.
Intelligent control system
1.Multi-Language can be switched according to your requirement.
2.With protection functions up to 12 types, such as overload,short circuit,low temperature, over voltage and so on.
3.Simply and clear, easy to operate.
Product Installation Diagram:
Product Application:
Workshop Display:
Our Advantages:
Factory Overview:
Global Market:
FAQ:
1.Q:Can you provide the samples to us?
A: yes, we can provide the sample to you in free, but the cost of the freight on your account.
2. Q:Can you do the order according to the customer requirement?
A:Yes, we can do the order according to your sample or drawings, OEM/ODM service provided.
3. Q:What is your delivery time?
A:Normally, it’s 7 days if the goods are in stock. It will takes about 15-25days if the goods are not in stock, Mainly depends on the order quantity.
4.Q:What is your terms of payment?
A:Generally 30% value of goods as deposit, balance amount against the copy of the BL.
5. Q: How long is the warranty ?
A: 14 months since the container shipped except quick-wear parts.
| After-sales Service: | 14 Months |
|---|---|
| Warranty: | 14 Months |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Structure Type: | Closed Type |
| Samples: |
US$ 8500/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
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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 two 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.
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 two 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 nine to eighteen 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.
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 two to five 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.
Rotary vane compressors with two 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 one 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.
editor by CX 2023-05-29
China high quality 16 Bar 20 Bar Integrated Screw Air Compressor for Laser Cutting, Permanent Magnet Motor, Air Tank, Refrigerated Air Dryer, Precision Filter best air compressor
Product Description
Product Description
Product Parameters
| Model | Motor Power | Maximum Working Pressure | Free Air Delivery | Air Outlet Pipe Diameter | Weight | Dimensions(L*W*H) | |||
| kW | hp | bar(g) | psig | m³/min | cfm | kg | mm | ||
| BG10APMTD | 7.5 | 10 | 15.5 | 225 | 0.6 | 21 | G1/2″ | 440 | 1800*750*1400 |
| BG15APMTD | 11 | 15 | 16 | 232 | 0.9 | 32 | G3/4″ | 510 | 1800*750*1550 |
| BG20APMTD | 15 | 20 | 16 | 232 | 1.2 | 42 | G3/4″ | 590 | 1800*750*1550 |
| 20 | 290 | 1.0 | 35 | ||||||
| BG30APMTD | 22 | 30 | 16 | 232 | 2.2 | 78 | G1″ | 690 | 1800*850*1650 |
| 20 | 290 | 2.0 | 71 | ||||||
| BG50APMTD | 37 | 50 | 16 | 232 | 3.2 | 113 | G1-1/2″ | 930 | 2000*1000*1930 |
| 20 | 290 | 2.8 | 99 | ||||||
Company Profile
Wallboge is a high-tech enterprise and is considered 1 of the leading manufacturers of air compressor products in China. Our goal is to provide exceptional customer service coupled with quality products and energy saving solutions.
Wallboge’ s primary businesses focus in following key areas:
Integrated screw air compressor for laser cutting
Permanent magnet variable frequency screw air compressor
Two-stage compression permanent magnet variable frequency screw air compressor
Low pressure two-stage compression permanent magnet variable frequency screw air compressor
Low pressure permanent magnet variable frequency screw air compressor
Water-lubricated oil-free screw air compressor
Fixed speed screw air compressor
Oil-free screw blower
Screw vacuum pump
At Wallboge, we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air products for all industries. All of our products are designed for reliable performance, easy maintenance, and maximum energy efficiency. CZPT has been exporting to more than 150 countries across the globe.
Wallboge continuously innovates product development and management to meet customers’ demand. The powerful enterprise culture and continuous innovation make CZPT improved rapidly. Wallboge’ s vision is to be a world-renowned high-end energy-saving machinery brand, with sustainable development, constantly improving its own value and sharing it with our customers and staff, committed to continuously satisfying the needs of global companies by providing a full range of industrial air compression solutions.
Certifications
Exhibitions
After Sales Service
1. 24/7 after sales service in different languages.
2. Online instruction for installation and commissioning.
3. On-site instruction for installation and commissioning provided by well-trained engineers or local authorized service center.
4. CZPT agents and after sales service available.
Our Advantages
1. Proven product quality.
2. Factory direct prices.
3. On-time delivery.
4. Prompt technical support in different languages before sales, in sales and after sales.
5. Small orders accepted to check quality first.
6. OEM & ODM service available.
FAQ
Q1: Are you a factory or a trading company?
A1: We are a factory. Please check our Company Profile.
Q2: What is the exact address of your factory?
A2: No. 588, East Tonggang Road, Shaxi Town, HangZhou City, ZheJiang Province, China
Q3: What is your delivery time?
A3: For standard voltage, the delivery time is 15 working days after you confirm the order. For non-standard voltage, please contact our sales to confirm the delivery time.
Q4: What kind of payment terms do you accept?
A4: We accept T/T, L/C at sight.
Q5: How long is the warranty of your air compressor?
A5: 2 years for the whole air compressor except consumable spare parts.
Q6: How long could your air compressor be used?
A6: Generally, more than 10 years.
Q7: What is your MOQ requirement?
A7: 1 unit.
Q8: Can you offer OEM & ODM service?
A8: Yes, with a professional design team, we can offer OEM & ODM service.
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| After-sales Service: | Engineers Available to Overseas Service. |
|---|---|
| Warranty: | 2 Years |
| Lubrication Style: | Lubricated |
| Customization: |
Available
|
|
|---|
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.
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 two lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other one 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 two 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.
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 one 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 two valves – one for inlet and one 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 one 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.
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 one 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 one is an excellent choice.
editor by CX 2023-05-22
China 4 in 1 Screw Compressor CZPT Ga7 VSD FF Permanent Magnet Frequency Rotary Screw Air Compressor with Air Dryer and Air Tank
Product Description
We are authorized distributer of atlas copco, we could provide whole product line of
Atlas Copco air compressors , spare parts and consumables. we are also
certified supplier by international authoritative certification
organizations.
Kindly advise your technical requirements, we will recommend suitable
compressed air system and spare parts for you .
We can provide CZPT One-Stop Service,and efficient energy – saving solutions for you .
Products Description
Innovation
Unlike the horizontal design that wastes space, the upright design of the GA7110VSD+ series occupies a smaller area and saves space and work space to a greater extent. Its maintenance is simple, the manufacturing time is shorter, and the input cost is greatly reduced.
Efficient
Compared with the existing GA VSD series air compressors, the average specific power (SER) is reduced by 8%. The efficient VSD-series models save an average of 50% energy compared to fixed speed drive air compressors. Energy saving, FAD increased by 6% in the whole range. IE4 High Efficiency Motor (IPM).
GA 7-110VSD+ series variable speed oil-injected screw air compressor ,if you need more professional
technical support please contact me .
Industrial equipment, printing service, pipelines,power plants, oil&gas, oil refinery, coating, painting,
plastics, steel industry, rubber, mechanical, blow molding, color sorter machine, shipyard, sandblasting,
metallurg,etc.
Different industries correspond to different air compressors, kindly please send me your application
areas and specific conditions, then will recommend the most suitable products for you .
Shipping
We can provide CZPT standard packaging or OEM packaging.
1 Q: How about the quality of products ?
A: We are authorized distributer of Atlas Copco. Don’t worry the quality and service.
2 Q: How long is your delivery lead time ?
A: If there is stock, the lead time is about 3 working days after we get the payment, if need to
be produced, it depends.
3 Q: How about your overseas after-sale service?
A: (1)Provide customers with intallation and commissioning online instructions.
(2)Worldwide agents and sfter service available.
4 Q: Can you accept OEM&ODM orders?
A: Yes, we have professional design team, OEM&ODM orders are highly welcomed.
Choose an Air Compressor for Your Business
There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.
Positive displacement
Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are 2 different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.
Single-stage
The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only 1 cylinder, which means 1 stroke is required to move air from 1 cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the 1 with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have 1 air intake, and two-stage air compressors have 2 air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.
low noise
Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The 2 water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers 2 models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and 2 universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.
China SPM780II(Two stage compression) Permanent Magnet Inverter Screw Air Compressor
Product Description
Product Description
1. The most advanced split type design.
2. The air end and motor are connected by the coupling, free from the trouble of maintenance.
3. Double screw highly efficient air end design of large rotor, larger compressed capacity, longer service life with imported bearings.
4. Permanent magnet motor
The motor is made of the special material of rare-earth permanent magnet, strong magnetic field, large overload torque and small current while starting and operation,
The special rare-earth permanent magnet with the special design of the rotor, makes the efficiency of the motor 10%-15% higher than the same horsepower induction motor.
Design of the lower temperature, the raise temperature of the motor<60K, greatly improves the service life and service factor.
Soft starter by the inverter
Avoiding the strong mechanical shock while starting, prolonging the life of machine, reducing the maintenance, improving the reliability. So it can save 30% energy.
Product details:
Application Fields:
Our Exhibition:
Choose an Air Compressor for Your Business
There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.
Positive displacement
Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are 2 different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.
Single-stage
The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only 1 cylinder, which means 1 stroke is required to move air from 1 cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the 1 with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have 1 air intake, and two-stage air compressors have 2 air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.
low noise
Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The 2 water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers 2 models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and 2 universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.
China Low Noise High Efficiency Electric Stationary Rotary Permanent Magnet VSD Screw Type Air Compressor for Industrial 7.5kw 15kw 22kw 37kw 55kw 75kw 90kw 110kw
Product Description
Product Technical Description
| HC PF VSD series | Working pressure | Capacity | Power | Noise | Air outlet pipe diameter | Net weight(kg) | Dimensions(mm) | |||||
| bar | psig | (m3/min) | cfm | kW | hp | dB | Length | Width | Height | |||
| NXGV-7.5HC | 7 | 102 | 1.1 | 39 | 7.5 | 10 | 62±2 | RP 1/2 | 165 | 940 | 650 | 830 |
| 8 | 116 | 1.0 | 35 | 7.5 | 10 | 62±2 | RP 1/2 | 165 | 940 | 650 | 830 | |
| 10 | 145 | 0.9 | 31 | 7.5 | 10 | 62±2 | RP 1/2 | 165 | 940 | 650 | 830 | |
| 12 | 174 | 0.8 | 28 | 7.5 | 10 | 62±2 | RP 1/2 | 165 | 940 | 650 | 830 | |
| NXGV-11HC | 7 | 102 | 1.6 | 56 | 11 | 15 | 66±2 | RP 3/4 | 370 | 1180 | 800 | 1210 |
| 8 | 116 | 1.5 | 52 | 11 | 15 | 66±2 | RP 3/4 | 370 | 1180 | 800 | 1210 | |
| 10 | 145 | 1.3 | 46 | 11 | 15 | 66±2 | RP 3/4 | 370 | 1180 | 800 | 1210 | |
| 12 | 174 | 1.1 | 39 | 11 | 15 | 66±2 | RP 3/4 | 370 | 1180 | 800 | 1210 | |
| NXGV-15HC | 7 | 102 | 2.3 | 81 | 15 | 20 | 66±2 | RP 3/4 | 382 | 1180 | 800 | 1210 |
| 8 | 116 | 2.2 | 77 | 15 | 20 | 66±2 | RP 3/4 | 382 | 1180 | 800 | 1210 | |
| 10 | 145 | 2.1 | 74 | 15 | 20 | 66±2 | RP 3/4 | 382 | 1180 | 800 | 1210 | |
| 12 | 174 | 1.7 | 60 | 15 | 20 | 66±2 | RP 3/4 | 382 | 1180 | 800 | 1210 | |
| NXGV-22HC | 7 | 102 | 3.5 | 123 | 22 | 30 | 68±2 | RP 1 | 520 | 1300 | 910 | 1290 |
| 8 | 116 | 3.2 | 112 | 22 | 30 | 68±2 | RP 1 | 520 | 1300 | 910 | 1290 | |
| 10 | 145 | 3.0 | 105 | 22 | 30 | 68±2 | RP 1 | 520 | 1300 | 910 | 1290 | |
| 12 | 174 | 2.7 | 95 | 22 | 30 | 68±2 | RP 1 | 520 | 1300 | 910 | 1290 | |
| NXGV-37HC | 7 | 102 | 6.3 | 222 | 37 | 50 | 72±2 | RP 1 1/2 | 720 | 1450 | 960 | 1470 |
| 8 | 116 | 6.0 | 211 | 37 | 50 | 72±2 | RP 1 1/2 | 720 | 1450 | 960 | 1470 | |
| 10 | 145 | 5.6 | 197 | 37 | 50 | 72±2 | RP 1 1/2 | 720 | 1450 | 960 | 1470 | |
| 12 | 174 | 5 | 176 | 37 | 50 | 72±2 | RP 1 1/2 | 720 | 1450 | 960 | 1470 | |
| NXGV-55HC | 7 | 102 | 9.3 | 328 | 55 | 75 | 78±2 | RP 2 | 1480 | 1800 | 1250 | 1670 |
| 8 | 116 | 9.0 | 317 | 55 | 75 | 78±2 | RP 2 | 1480 | 1800 | 1250 | 1670 | |
| 10 | 145 | 8.5 | 300 | 55 | 75 | 78±2 | RP 2 | 1480 | 1800 | 1250 | 1670 | |
| 12 | 174 | 7.9 | 278 | 55 | 75 | 78±2 | RP 2 | 1480 | 1800 | 1250 | 1670 | |
| NXGV-75HC | 7 | 102 | 13 | 459 | 75 | 100 | 78±2 | RP 2 | 1680 | 1800 | 1250 | 1670 |
| 8 | 116 | 12 | 423 | 75 | 100 | 78±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| 10 | 145 | 10 | 353 | 75 | 100 | 78±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| 12 | 174 | 9 | 317 | 75 | 100 | 78±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| NXGV-90HC | 7 | 102 | 16 | 565 | 90 | 120 | 83±2 | RP 2 | 1860 | 2000 | 1250 | 1670 |
| 8 | 116 | 15 | 530 | 90 | 120 | 83±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| 10 | 145 | 14 | 494 | 90 | 120 | 83±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| 12 | 174 | 12 | 423 | 90 | 120 | 83±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| NXGV-110HC | 7 | 102 | 21 | 741 | 110 | 150 | 85±2 | RP 2 1/2 | 2600 | 2300 | 1470 | 1840 |
| 8 | 116 | 20 | 706 | 110 | 150 | 85±2 | RP 2 1/2 | 2600 | 2300 | 1470 | 1840 | |
| 10 | 145 | 19 | 671 | 110 | 150 | 85±2 | RP 2 1/2 | 2600 | 2300 | 1470 | 1840 | |
| 12 | 174 | 17 | 600 | 110 | 150 | 85±2 | RP 2 1/2 | 2600 | 2300 | 1470 | 1840 | |
| NXGV-132HC | 7 | 102 | 25 | 882 | 132 | 175 | 85±2 | RP 2 | 1680 | 1800 | 1250 | 1670 |
| 8 | 116 | 24 | 847 | 132 | 175 | 85±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| 10 | 145 | 21 | 741 | 132 | 175 | 85±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| 12 | 174 | 19 | 671 | 132 | 175 | 85±2 | RP 2 | 1680 | 1800 | 1250 | 1670 | |
| NXGV-160HC | 7 | 102 | 28 | 988 | 160 | 200 | 85±2 | RP 2 | 1860 | 2000 | 1250 | 1670 |
| 8 | 116 | 27 | 953 | 160 | 200 | 85±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| 10 | 145 | 23 | 812 | 160 | 200 | 85±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| 12 | 174 | 21 | 741 | 160 | 200 | 85±2 | RP 2 | 1860 | 2000 | 1250 | 1670 | |
| NXGV-185HC | 7 | 102 | 31 | 1095 | 185 | 250 | 88±2 | RP 2 1/2 | 2300 | 1470 | 1840 | 2600 |
| 8 | 116 | 30 | 1059 | 185 | 250 | 88±2 | RP 2 1/2 | 2300 | 1470 | 1840 | 2600 | |
| 10 | 145 | 29 | 1571 | 185 | 250 | 88±2 | RP 2 1/2 | 2300 | 1470 | 1840 | 2600 | |
| 12 | 174 | 27 | 953 | 185 | 250 | 88±2 | RP 2 1/2 | 2300 | 1470 | 1840 | 2600 | |
| Model : | Screw Air Compressor |
| Type: | VSD Screw Air Compressor |
| Voltage: | 380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements |
| Working Pressure: | 7~12bar |
| Installed Motor Power: | 7.5~250 Kw |
| Color: | Blue |
| Driven Method: | Direct Driven |
| Air End: | High-efficiency Screw Air End Technology |
| Trademark: | Xihu (West Lake) Dis.ang |
| Transport Package: | Standard Wooden Packing |
| Available Certificate: | CE, ISO |
| Origin: | ZheJiang , China |
| Application: | Food,Chemical,Spraying Treatment,Electrics,Medical Treatment,Packing |
Product Features
1. high reliability.
2. Oil Free Permanent Magnetic Motor.
3. IP55 protection grade & heavy duty air filter, suitable for high dusty environment.
4. IE4 Efficiency motor efficiency.
5. Most energy saving mode, Only work at loading.
6. Wide frequency range 25%-100%.
7. Premium Magnetic material resist more than 180ºC temp.
8. Direct Taper connection, no transmission power loss, easy maintenance.
9.Touch Screen PLC with preset running schedule, more intelligent control.
10. Main motor is inverter control, more accurate control.
11. Easy for installation and service.
FAQ
1.Why customer choose us?
Xihu (West Lake) Dis.ang Air Compressor CO., LTD., with 37 years old history,we are specialized in Rotary Screw Air Compressor.
Germany Standard and 10 years exporting experience help us won more than 50 loyal foreign agents. We warmly welcome your small trial order for quality or market test.
2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in HangZhou,China.
Both OEM & ODM service can be accepted.
3.What’s your delivery time?
Generally 3 to 7 days, if urgently order, pls contact our sales in advance.
4.How long is your air compressor warranty?
One year for the whole machine and 2 years for screw air end, except consumable spare parts.
5.How long could your air compressor be used?
Generally, more than 10 years.
6. What’s payment term?
T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc.
Also we could accept USD, RMB, Euro and other currency.
7.How about your customer service?
24 hours on-line service available. 48hours problem solved promise.
8.How about your after-sales service?
1. Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3. Worldwide agents and after service available.
Contact us
Company Name: ZheJiang Xihu (West Lake) Dis.ang Air Compressor Co., Ltd
Contact Person: Benny
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.
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.
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.
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.
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 CZPT Permanent Magnet Frequency 7.5kw 10HP Screw Air Compressor for Industrial
Product Description
Rodlars Permanent Magnet Frequency 7.5kw 10HP Screw Air
Compressor for Industrial
Choose an Air Compressor for Your Business
There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.
Positive displacement
Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are 2 different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.
Single-stage
The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only 1 cylinder, which means 1 stroke is required to move air from 1 cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the 1 with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have 1 air intake, and two-stage air compressors have 2 air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.
low noise
Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The 2 water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers 2 models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and 2 universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.
China CZPT Oil Lubricated Inject Rotary Twin Portable Air Screw Compressor Permanent Magnet VSD Oil Free CZPT Fixed Speed Direct Drive Air Compressor
Product Description
The ultimate smart solution driven by efficiency
Atlas Copco’s GA compressors bring you outstanding sustainability, reliability and performance, while minimizing the total cost of ownership. A choice of 3 premium compressor types (GA VSD+, GA+ and GA) provides you with the compressed air solution that perfectly matches your requirements with clear value propositions. Built to perform even in the harshest environments, these compressors keep your production running efficiently.
GA
Premium compressor
- High performance Free Air Delivery.
- Premium quality at the lowest initial investment.
- Integrated refrigerant dryer.
- Elektronikon Touch or Swipe controller.
GA+
Industry-leading performance
- Best-in-class Free Air Delivery.
- Lowest energy consumption for applications with a stable air demand.
- Low noise emission suitable for workplace installation.
- Integrated refrigerant dryer.
- Elektronikon Touch controller.
GA VSD+
Ultimate energy saver
- 50% energy savings on average compared to fixed speed models.
- iPM motor equals IE5 standards.
- In-house designed NEOS inverter and iPM motor exceed IES2 (EN 5571) requirements for power drive efficiency.
- Industry-leading operating turndown range.
- Wide pressure selection: 4-13 bar.
- Start under system pressure, no blow-off.
- Integrated refrigerant dryer.
- Elektronikon Touch controller
Atlas Copco G series Screw Air Compressor
Model: G15L Series
Features & benefits
Simple installation & maintenance
• Available in multiple configurations, including floor or tank-mounted.
• Extremely small footprint with possible placement against a wall or in a corner.
• Main components, oil separator and filter are easily accessible.
Simple installation & maintenance
• Available in multiple configurations, including floor or tank-mounted.
• Extremely small footprint with possible placement against a wall or in a corner.
• Main components, oil separator and filter are easily accessible.
Easy monitoring & control
• Icon-based display, pressure settings, temperature reading.
• Running hours/hours working @ load.
• Service warnings.
• Outlet pressure setting directly on the controller.
• Pressure and element outlet temperature reading.
Technical Parameters:
| Compressor type | Max. working pressure | Capacity FAD* | Installed motor power | Noise level** | Weight*** | ||||||||||||||||
| WorkPlace | WorkPlace Full Feature | FM | FM FF | TM | TM FF | ||||||||||||||||
| bar(e) | psig | bar(e) | psig | l/s | m³/hr | cfm | kW | hp | dB(A) | kg | kg | kg | kg | ||||||||
| 50 Hz VERSION | |||||||||||||||||||||
| G 15L | |||||||||||||||||||||
| 7.5 | 7.5 | 108.8 | 7.3 | 105 | 42.5 | 153.0 | 90.1 | 15 | 20 | 67 | 313 | 371 | 537 | 595 | |||||||
| 10 | 10 | 145.0 | 9.8 | 141 | 38.5 | 138.6 | 81.6 | 15 | 20 | 67 | 313 | 371 | 537 | 595 | |||||||
| 13 | 13 | 188.5 | 12.8 | 185 | 31.2 | 112.3 | 66.1 | 15 | 20 | 67 | 313 | 371 | 537 | 595 | |||||||
| G 18 | |||||||||||||||||||||
| 7.5 | 7.5 | 108.8 | 7.3 | 105 | 52.1 | 187.6 | 110.4 | 18 | 25 | 69 | 328 | 392 | 545 | 609 | |||||||
| 10 | 10 | 145.0 | 9.8 | 141 | 45.4 | 163.4 | 96.8 | 18 | 25 | 69 | 328 | 392 | 545 | 609 | |||||||
| 13 | 13 | 188.5 | 12.8 | 185 | 38.5 | 138.6 | 81.6 | 18 | 25 | 69 | 328 | 392 | 545 | 609 | |||||||
| G 22 | |||||||||||||||||||||
| 7.5 | 7.5 | 108.8 | 7.3 | 105 | 62.0 | 223.2 | 131.4 | 22 | 30 | 70 | 344 | 408 | 561 | 625 | |||||||
| 10 | 10 | 145.0 | 9.8 | 141 | 54.1 | 194.7 | 114.5 | 22 | 30 | 70 | 344 | 408 | 561 | 625 | |||||||
| 13 | 13 | 188.5 | 12.8 | 185 | 46.4 | 167.1 | 98.3 | 22 | 30 | 70 | 344 | 408 | 561 | 625 | |||||||
| 60 Hz VERSION | |||||||||||||||||||||
| G 15L | |||||||||||||||||||||
| 100 | 7.4 | 107 | 7.2 | 104 | 44.0 | 158.4 | 93.2 | 15 | 20 | 67 | 313 | 371 | 537 | 595 | |||||||
| 125 | 9.1 | 132 | 8.9 | 129 | 38.8 | 139.7 | 82.2 | 15 | 20 | 67 | 313 | 371 | 537 | 595 | |||||||
| 150 | 10.8 | 157 | 10.6 | 154 | 37.0 | 133.2 | 78.4 | 15 | 20 | 67 | 313 | 371 | 537 | 595 | |||||||
| 175 | 12.6 | 182 | 12.3 | 178 | 32.7 | 117.7 | 69.3 | 15 | 20 | 67 | 313 | 371 | 537 | 595 | |||||||
| G 18 | |||||||||||||||||||||
| 100 | 7.4 | 107 | 7.2 | 104 | 51.8 | 186.5 | 109.8 | 18 | 25 | 69 | 328 | 392 | 545 | 609 | |||||||
| 125 | 9.1 | 132 | 8.9 | 129 | 46.9 | 168.8 | 99.4 | 18 | 25 | 69 | 328 | 392 | 545 | 609 | |||||||
| 150 | 10.8 | 157 | 10.6 | 154 | 43.3 | 155.9 | 91.7 | 18 | 25 | 69 | 328 | 392 | 545 | 609 | |||||||
| 175 | 12.6 | 182 | 12.3 | 178 | 39.9 | 143.6 | 84.5 | 18 | 25 | 69 | 328 | 392 | 545 | 609 | |||||||
| G 22 | |||||||||||||||||||||
| 100 | 7.4 | 107 | 7.2 | 104 | 60.5 | 217.8 | 128.2 | 22 | 30 | 70 | 344 | 408 | 561 | 625 | |||||||
| 125 | 9.1 | 132 | 8.9 | 129 | 53.7 | 193.3 | 113.8 | 22 | 30 | 70 | 344 | 408 | 561 | 625 | |||||||
| 150 | 10.8 | 157 | 10.6 | 154 | 48.6 | 175.0 | 103.0 | 22 | 30 | 70 | 344 | 408 | 561 | 625 | |||||||
| 175 | 12.6 | 182 | 12.3 | 178 | 46.0 | 165.6 | 97.5 | 22 | 30 | 70 | 344 | 408 | 561 | 625 | |||||||
Oaliss’s objective is to be “Your very own system provider”. To fulfill this objective, CZPT pays great attention to customer’s real needs and concerns, then provides feasible solutions. CZPT chooses the most reliable suppliers from the industry and tests its performance before installing on our equipment. Product quality is our paramount goal. In the meantime, we do our best to fill the gaps between price and energy efficiency. Our equipment will be reliable enough to use and the price low enough to purchase. Combined with these distinct features, our high quality and variable products have been accepted by customers from various industries.
Oaliss-your very own system provider.
Applications:
Industrial equipment, printing service, pipelines, power plants, oil&gas, oil refinery, coating, painting,
plastics, steel industry, rubber, mechanical, blow molding, color sorter machine, shipyard, sandblasting,
metallurgy, etc.
To provide the right equipment to you, please send us your detailed requirements.
1 Q: How about the quality of products?
A: We are an authorized distributor of Atlas Copco. The quality and service could be assured.
2 Q: How long is your delivery lead time?
A: If there is stock, the lead time is about 3 working days after we get the payment if need to
be produced, it depends.
3 Q: How about your overseas after-sale service?
A: (1)Provide customers with installation and commissioning online instructions.
(2)Worldwide agents and after service available.
4 Q: Can you accept OEM&ODM orders?
A: Yes, we have a professional design team, OEM&ODM orders are highly welcomed.
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 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.
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.
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 75kw/100HP Variable Frequency Starting Two-Stage Screw Air Compressor with Permanent Magnet Motor
Product Description
75KW/100HP Variable Frequency Starting Two-Stage Screw Air Compressor with Permanent Magnet Motor
Intelligent Screw Air Compressor
Ariend with high air flow,low nose ,high reliability.
The life of the spare parts is long, easy to buy, low cost .
Easy maintenanance, save more time.
PRODUCT FEATURES
ENERGY SAVING
Ultra-low frequency speed control technology far surpasses standard VSD compressor systems.
Capable lower than 15Hz operation,this system is truly capable of constant variable pressure operation and significant energy saving.
HIGH RELIABILITY
USoft-Start feature allows for litte or no impact on the power supply system and marginalises mechancial wear and tear up on start-up.
LLeakageis always present in any air system .at full presure a good system can loose 0.2Mpa.CZPT VSD machines can reduce thar loss by up to 25%simply by supplying the air pressure that is required.
MUTE ENVIRONMENTAL PROTECTION
Advanceed Vector variable frequency control reduces vibration and noise.The unit can be used without the requirement for a special room.
This means saving of all resources required to install a machine in an external location such as pipe and power lines and land.Oil exhaust output is lower than 3ppm thus negating enviromantal impact.
ENERGY SAVING 30% & LONGER LIFE
Utilising frequency control for the cooling fan and drive motor allows for up to 30% energy savings.This translates into less frequent servicing of the screw compressor thus further significant saving are achieved over the life of the machine.
For More Products
Why Trust Us ?
Who We are ?
Tai zhou Mechanical &Electrical Co.Ltd. Is 1 of the main manufactures,specializing in the Research and Development,Manufacturing and sales of the Piston air compressor. Our company located in the CZPT town,LuQiao District, TaiZhou City, far from TaiZhou Airport is only 3KM,and HangZhou port is around 220KM,the traffic is very convenient for your.visiting.
Our company owns an area of 50000 suqare mater and has more than 300 staffs.
We have advanced production equipment and well familiar with the process of the mass production,have high precision measuring instruments and high efficiency of automatic assembly line ensure the quality and quantity of the [roduct. We have strong technical strength and production management ,gathering the technical team and manamement team from the leading enterprise of air compressor in domestic .we set up our town lad and development tesm,with a strong ability to develop thre product ,meeting the diffient demand from the different customer and different ,maket.
We take the maket demand as the guidance ,strives for the survival by quality ,strives for the development by innovation,always put customers,quality and innovation in the first place ,follow up the prefessional management and continuously satisfy the demanded of the customer,We always follow up the principle of people-oriented,legitimate business,honest & trustworthy,focus on the industy of the air compressor,with the effort to create a first-class brand in the industry of air compressor ,with the effort to create a first-class brand in the industry of air compressor.
Our Exhibition
Frequency Asked Question:
Q1: Are you factory or trade company?
A1: We are factory.Thank you.
Q2: What the exactly address of your factory?
A2: Our company located in the CZPT town,LuQiao District, TaiZhou, ZHangZhoug Province, China . Thank you.
Q3: Warranty terms of your air compressor machine?
A3: Two years warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the air compressor?
A4: Yes, of course.
Q5: How long will you take to arrange production?
A5: About 25 working days after receiving the deposit on our bank account
.Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome
Q7:What trad terms do we provide ?
A7:Trade terms FOB,CIF.
Q8:What is our payment term? What kind of settlement currency do we offer ?
A8:Normally, we can do T/T and LC at sight, for the T/T, 30% will be required as deposit, the balance amount against the copy of the BL.
We can accept the currency in USD or RMB.
Q9:What about the cost of sample?
A9: The cost of the sample will be required, but we can return back the amount in the future order by 1*40’HQ.
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.
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.
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.
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 8bar 10 Bar 20 HP Energy Saving Electric Variable Speed Permanent Magnet Air Screw Compressor
Product Description
Product Description
8bar 10 bar 20 HP Energy Saving Electric Variable Speed Permanent Magnet Air Screw Compressor
Model: RK-20APM
Free air delivery: 2.3m3/min
Working pressure: 8 bar
Control: Smart PLC controller
Driven: direct coupling
Cooling: by air
Electric motor: Permanent Magnet VSD type 20hp 15KW 380V/50hz/3ph
Discharge temperature: less than ambient +8 ºC
Noise: less than 68 dB(A)
Air outlet size: G3/4″
Dimension: 1000*740*1100mm
Weight: 300kg
Product Description
Permanent magnet variable frequency screw air compressor:
1. Constant pressure control: It can realize high-precision constant pressure control with a pressure fluctuation range of 0.01 MPa;
2. Variable frequency soft start: Eliminate the CZPT current when starting, avoid grid impact, avoid current impact through step-by-step speed adjustment, and improve flexibility
3. Prevent no-load: The compressor is no-load during operation, reducing ineffective energy consumption;
Permanent magnet motors use high-efficiency rare earth magnets, no loss of magnetism at 180°C, and long service life; energy saving is about 6% to 7% compared with ordinary frequency conversion motors;
It can exert the highest efficiency in a wider range and make the air compressor more energy-saving.
Product Parameters
Technical Parameters
| Model | Air Delivery (m3/min) | Power (kW) | Noise (Db) | Outlet diameter | Dimension (mm) |
Weight (Kg) |
|||||||||||||||||||||||||||||||||||||||||||||
| 0.8Mpa | 1.0Mpa | 1.3Mpa | L * W * H | ||||||||||||||||||||||||||||||||||||||||||||||||
| RK10APM | 1.1 | 0.9 | 0.7 | 7.5 | 63 | G1/2 | 900x650x850 | 180 | |||||||||||||||||||||||||||||||||||||||||||
| RK15APM | 1.7 | 1.6 | 1.0 | 11 | 65 | G3/4 | 1000x740x1100 | 300 | |||||||||||||||||||||||||||||||||||||||||||
| RK20APM | 2.3 | 2.0 | 1.6 | 15 | 68 | G3/4 | 1000x740x1100 | 320 | |||||||||||||||||||||||||||||||||||||||||||
| RK30APM | 3.4 | 3.2 | 2.7 | 22 | 68 | G1 | 1070x840x1260 | 420 | |||||||||||||||||||||||||||||||||||||||||||
| RK40APM | 5.0 | 4.0 | 3.1 | 30 | 69 | G1 | 1070x840x1260 | 450 | |||||||||||||||||||||||||||||||||||||||||||
| RK50APM | 6.4 | 5.4 | 4.7 | 37 | 70 | G1 1/2 | 1200x1000x1390 | 600 | |||||||||||||||||||||||||||||||||||||||||||
| RK60APM | 7.2 | 6.6 | 5.7 | 45 | 70 | G1 1/2 | 1200x1000x1390 | 700 | |||||||||||||||||||||||||||||||||||||||||||
| RK75APM | 9.4 | 8.2 | 6.7 | 55 | 72 | G2 | 1700x1200x1550 | 920 | |||||||||||||||||||||||||||||||||||||||||||
| RK100APM | 12.2 | 10.8 | 9.1 | 75 | 72 | G2 | 1700x1200x1550 | 950 | |||||||||||||||||||||||||||||||||||||||||||
| RK125APM | 15.2 | 13.3 | 11.4 | 90 | 72 | G2 | 2100x1300x1650 | 1350 | |||||||||||||||||||||||||||||||||||||||||||
| RK150APM | 19.9 | 16.3 | 14.5 | 110 | 72 | DN80 | 2500x1650x1900 | 2650 | |||||||||||||||||||||||||||||||||||||||||||
| RK180APM | 23.0 | 19.7 | 16.0 | 132 | 72 | DN80 | 2500x1650x1900 | 2850 | |||||||||||||||||||||||||||||||||||||||||||
| RK220APM | 27.0 | 22.5 | 21.0 | 160 | 72 | DN80 | 3000x1900x1950 | 4100 | |||||||||||||||||||||||||||||||||||||||||||
| RK25OAPM | 30.0 | 27.0 | 23.0 | 185 | 82 | DN80 | 3000x1900x1950 | 4300 | |||||||||||||||||||||||||||||||||||||||||||
| RK270APM | 32.5 | 29.2 | 25.5 | 200 | 82 | DN100 | 3600x2200x2200 | 5300 | |||||||||||||||||||||||||||||||||||||||||||
| RK300APM | 38.0 | 32.0 | 28.8 | 220 | 82 | DN100 | 3600x2200x2200 | 5500 | |||||||||||||||||||||||||||||||||||||||||||
| RK340APM | 43.0 | 37.5 | 31.5 | 250 | 82 | DN100 | 3600x2200x2200 | 5800 | |||||||||||||||||||||||||||||||||||||||||||
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
ZheJiang CZPT Machinery Co., Ltd. is a company dedicated to the production and research and development of various gas compression equipment. The company was established in 2012 and has a total of 5 licensed technical engineers. Mainly engaged in air, nitrogen, CO2 and other special gas compression equipment and after-treat equipment. With the development in recent years, the company has established a foreign trade team in ZheJiang , and hired foreign trade consultants with 10 years of industry experience to better serve customers worldwide. With excellent quality and the support of 30 distributors worldwide, our annual sales in 2018 exceeded 5 million US dollars. We look forward to working with you to create a better tomorrow!
Certifications
Payment and delivery
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.
Choose an Air Compressor for Your Business
There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.
Positive displacement
Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are 2 different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.
Single-stage
The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only 1 cylinder, which means 1 stroke is required to move air from 1 cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the 1 with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have 1 air intake, and two-stage air compressors have 2 air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.
low noise
Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The 2 water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers 2 models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and 2 universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.