380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:
8~10bar
Installed Motor Power:
11~30 Kw
Color:
Blue
Driven Method:
Belt Driven
Trademark:
SCR
Transport Package:
Standard Wooden Packing
Available Certificate:
CE, ISO, UL, ASME, GHOST
Origin:
ZheJiang , China
application:
Dentistry,Laboratory,New Energy
Product Features 1.High quanlity oild free compressed air. 2.High efficiency oil free scroll airend. 3.Low Energy Consumption,Low running,maintenance cost. 4.Aptitude and intelligent Control, integrated touch-screen PLC displayer. 5.Unique safe units make whole compressor more safety, more stable,lest noise,lest energy Loss. 6.Easy to install,operate,maintain.
High quality oil fee compressed air: A high quality 74 Degree taper connection is used making a more reliable seal reducing the risk of air leakage. SCR’s oil free scroll machine provides 100% oil free air and makes use of fully stainless steel pipework eliminating any possible contamination.
High Efficiency oil free scroll airend: SCR use a world-renowned scroll airend in the XA range for enhanced reliability. The compression chamber and lubricant system is 100% separated meaning there is no risk of oil contaminated air.
High Reliability: The XA range use low noise, high pressure centrifugal fans which provides excellent air flow. The oversized cooler has spare capacity of between 20%-30% making the air outlet temperature only +10-15 degrees above the ambient tempera-ture. This reduces the burden of downstream equipment.
SCR Oil Free Scroll Compressor
Model
SCR15XA-8/10
SCR20XA-8/10
SCR30XA-8/10
SCR40XA-8/10
Exhausting Capacity
1.2/1.0
1.6/1.4
2.6/2.1
3.5/2.8
(m³/min)
Power (KW)
11
15
22
30
Horse Power (HP)
15
20
30
40
Drive Method
Belt Driven
Discharge Temperature ºC
Ambient+15ºC
Noise db(A)
65
68
70
72
Power Supply
380(400,415)V/50Hz/3Phase,220V/60Hz/3P
Size mm
1350*1200*800
800*1200*1800
1200*1400*1500
1200*1400*1800
Weight Kg
450
650
900
1300
Air Outlet Size
Rc1
Rc1
Rc1
Rc1
Product Categories
Advantages
Application
About SCR
FAQ
1 What trade terms do we provide? What kind of settlement currency do we offer?
Trade term :CIF ,CFR ,FOB,Ex-Works As far Our business traded in Dollars ,Euros and RMB .
2 How long is our delivery?
Our standard delivery time is 30-40 days after confirmation order & receiving recipets for standard compressors, for the other non standard requirement will be discussed case by case.
3 What is the voltage of the compressor?
The available voltage include 380V/50HZ/3Phase, 400V/50HZ/3P, 415V/50HZ/3P, 220V/60HZ/3P, 380V/60HZ/3P, 440V/60HZ/3P. At the same time we provide other voltage according to customer requirement.
4 Can our compressor run in high temperature environment? What is the working temperature range for our machine?
Yes ,our machine would run in high temperature environment ,until now our products have been sold to many countries which would meet high temperature in summer ,such like Iraq, Saudi Arabia, Egypt, Algeria, etc. Work temperature range :1-45 ºC(33.8ºF-113ºF)
5 What’s the min. Order requirement ?
Min. Order requirement is 1PCS.
Contact us
Company Name: ZheJiang Screw Compressor Co., Ltd Contact Person: Vincent Sun
If you are interested in any of our products,please feel free to contact us.We are looking forward to cooperating,growing and developing with your sincerely.
Choosing an Air Compressor
Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.
Positive displacement
There are several different types of air compressors, but most are positive displacement air compressors. They use a rotary or reciprocating component to compress air. The reciprocating component compresses air by reducing the volume of the chamber. Positive displacement compressors are used in bicycle pumps, chemical plants, and refrigerators. Positive displacement air compressors use multiple inlet ports. Despite the various types, the principle of operation remains the same. Another type of positive displacement air compressor is a reciprocating piston. The piston inside a cylinder moves up and down, causing the compressed air to fill the upper part of the cylinder. These air compressors are used in a variety of different applications, including blowing bottles and gas pipelines. These air compressors can be water-cooled, lubricated, or non-lubricated. Different types have different capacities and air pressures. A positive displacement flowmeter uses a rotating chamber that divides continuous fluid into discrete portions. The number of times the chamber is filled and discharged can be used to estimate the flow rate. The rotation speed of the measuring chamber is directly proportional to the flow rate. The drawbacks of this type of positive displacement flowmeter are that it is prone to jamming. If the fluid contains particles, it may be too thick for the meter to determine flow rate. A negative displacement air compressor was invented in 1860 and is the oldest type of compressor. It uses 2 lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other 1 to spin in the opposite direction. Negative displacement compressors are low-maintenance, but they do require more precision. They are often used in nuclear power plants because they use the kinetic energy of the rotating elements to produce pressure.
Oil-injected
Oil-flooded or oil-injected air compressors use liquid to seal and lubricate moving parts and reduce noise. Oil-flooded air compressors are effective for a variety of pneumatic tools and accessories. Some models have a thermostat that controls the amount of oil used during operation. Other types of oil-flooded air compressors are piston-type models. Here is an overview of the basic differences between these 2 air compressors. An oil-injected air compressor is more expensive than a comparable oil-free air compressor, but its advantages far outweigh its disadvantages. An oil-free compressor is quieter, requires less maintenance, and has a lower price tag. It also offers a greater degree of air purity. A number of other advantages may also make this type of air compressor the better choice for many industrial settings. If you need a high-pressure compressor in a tight space, consider the benefits of an oil-free system. Oil-injected air compressors require more maintenance than oil-free models. Both types of air compressors offer similar capacity and ISO 8573-1 Class 0 and 1-2 purity, but the oil-injected systems require more air-treatment components. They require an activated carbon filter and coalescing filter. Oil-injected air compressors will likely remain the standard for industrial air compressors for many years. And since their performance and efficiency are comparable, it may be worthwhile to invest in some point-of-use air treatment. Both types of air compressors have their benefits. However, choosing between oil-free and oil-injected air compressors is not as straightforward as you might think. Whichever type you choose, make sure it will meet your needs. The benefits of an oil-injected air compressor outweigh their disadvantages. In general, oil-injected air compressors are more durable and can last longer than oil-free models. The only downside is their higher price.
Oil-free
When choosing an air compressor for your company, you’ll need to determine what it is going to be used for. For example, if you’re planning on using it to power multiple workers, you should consider getting an oil-free compressor. An oil-free compressor, on the other hand, is quieter and can power several workers at a time. If you’re a contractor, the most important consideration will be the type of jobs you’ll be doing. Higher air pressure means greater demand for air flow, and more pressure can damage the equipment. Oil-free compressed air is certified 100% free of contaminants. Technically, oil-free air is not completely free of foreign matter, but it is extremely low within the limits of practical air quality. A technically oil-free air compressor might have a total oil level of 0.003 mg/m3. If you’re in need of a technically oil-free air compressor, you must install an air treatment equipment after your current compressor. If you’re in the manufacturing industry, a good oil-free air compressor will save you money and reduce your environmental impact. Many of these tools require air compressors to work, and this equipment will ensure that they don’t get contaminated. To buy the best oil-free compressor, you should learn a bit about the different terms used by compressor repair companies. ACFM, for example, is the amount of air that can be compressed in 1 minute at rated conditions. When you’re using an oil-free air compressor, you should know that the overall life of the device will be much shorter. Compared to an oil-flooded rotary screw air compressor, an oil-free compressor typically has a lifespan of 50 thousand hours. But it’s important to understand that this type of compressor can still cause damage to piping and processes. Therefore, you should choose an oil-free compressor when you need to clean air for your business.
Single-stage
A single-stage air compressor, also known as a piston air compressor, compresses air only once before storing it in a cylinder. This stored air has enough energy to power a variety of pneumatic tools, such as screwdrivers, chisels, and wrenches. These units are also ideally suited for low-flow applications and are widely used in gas stations, auto shops, and various manufacturing plants. A single-stage air compressor uses 2 valves – 1 for inlet and 1 for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide protection from damage. The compressor’s outlet valve opens when the pressure in the cylinder is higher than the pressure in the storage tank. The piston moves very quickly inside the cylinder, exerting a high amount of force throughout the compression process. This high piston speed is a common cause of compressor wear and tear. A single-stage air compressor is ideal for smaller tradesmen and small construction crews. Its lightweight and compact design make it easier to transport and store. While it may be tempting to buy the first cheap air compressor you see, it’s important to balance the price against performance to choose the right air compressor for your needs. The best single-stage air compressor is 1 that provides excellent performance and durability. Its two-stage counterpart is designed for larger construction teams and large applications. The main difference between a single-stage and a two-stage air compressor lies in their capacity. A single-stage air compressor compresses air only once and delivers it into the storage tank, while a two-stage compressor compresses it twice, creating double the pressure. Because of this, single-stage air compressors are cheaper and versatile than their counterparts, which means that they can be used for multiple purposes.
Low-noise
A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors. Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase 1 with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle. Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle. Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise 1 is an excellent choice.
Product Technical Description Description: Model : H Series Type: Two Stage Screw Air Compressor Voltage: 380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements Working Pressure: 7~12.5bar Installed Motor Power: 90~315 Kw Color: Blue Driven Method:Taper Connection Direct Driven Air End: Original GHH Airend from Germany. Trademark: SCR Transport Package: Standard Wooden Packing Available Certificate: CE, ISO, UL, ASME, GHOST Origin: ZheJiang , China
Product Technical Data Sheet
Model
SCR375H-7
SCR375H-8
SCR375H-10
SCR375H-12.5
Capacity/Pressure(m3/min,/BAR)
62/7
61/8
53/10
46/12.5
Motor
Power(KW)
280KW(375HP)
Speed(r/min)
1485
Starting way
Start-delta starting
Volt(V)
380
Motor safety grade
IP54
Full Start Current (A)
546
Electrical Supply
380V/30-50Hz/3Phase
Outlet Temperature(ºC)
≤ ambient Temperature+10ºC
Driven way
Direct Driven
Noise level at 1 meter
86±3dB(A)
Cooled method
Air /Water cooling
Oil content
1-3ppm
Outlet Connection
DN125
Dimension
Length(mm)
4000
Width(mm)
2150
Height(mm)
2400
Weight(kg)
7400
Product Features 1. Sino-Japantechnology cooperation, high reliability. 2. High efficiency airend and motor. 3. High reliability components imported original from Germany, Swiss etc. 4. CE level protection design and manufacturing 5. Oversize cooler suitable for tropical area. 6. More than 10,000.00 units running around the world since 10years ago. 7. Intelligent touch screen PLC control. 8. Easy to do maintenance and service.
Website: http://shscrew /
What to Look For When Buying an Air Compressor
An air compressor is a very useful tool that can help you complete many different types of construction jobs. This handy machine makes many tasks much easier, but not all of them are created equally. Understanding what to look for when buying an air compressor will help you make an informed decision. Here are some of the things you should look for. These include price, size, and energy efficiency. Also, make sure to consider the air compressor’s type.
Single-stage air compressors are quieter
When it comes to noise level, single-stage air compressors are the way to go. These machines have fewer moving parts and are quieter than two-stage models. Single-stage air compressors use an axial flow design and can be quieter than their dual-stage counterparts. Single-stage air compressors can run longer and at lower pressures. Single-stage air compressors can be used for light industrial applications. They have a long life expectancy, with some models lasting for over 3 thousand hours. While some single-stage air compressors are quieter than two-stage air compressors, both models have noise-reduction features. One type features rubber parts, which are designed to dampen noise. Another feature makes a compressor quieter: its location near the job site. Some models feature rubber base plugs and rubber mats to reduce floor vibrations. In addition to using these features, single-stage compressors are easier to transport. Noise levels are important when choosing an air compressor. Some machines are too noisy for comfortable work, and some businesses don’t want to expose customers to noise-generating air compressors. Other noise levels can even endanger workers’ health. Single-stage air compressors are more affordable than dual-stage compressors. They are also quieter and more powerful. But be prepared for the noise. Some single-stage air compressors are still noisy. Compared to their two-stage counterparts, single-stage compressors are quieter when running at full capacity. However, double-stage compressors are quieter on low capacities than single-stage units. Those with variable speed are quietest at lower capacities. The difference is about 10db. If you’re concerned about the noise level, you should consider a two-stage air compressor. But if you have a small workshop, it may not be suitable for you. One-stage air compressors are generally more efficient than two-stage air compressors. The noise from a two-stage air compressor is lower because there’s no intermediate stage. Single-stage air compressors also use a piston that rotates in a single stage, while dual-stage air compressors, also known as duplex models, are more efficient. A single-stage air compressor is quieter, but double-stage compressors are louder.
Two-stage air compressors are more energy efficient
Two-stage air compressors are more energy-efficient than single-stage machines. The efficiency of two-stage air compressors is increased through a combination of improved efficiency and increased longevity. These machines can store more air and have higher compression ratios. One model of a two-stage compressor can hold approximately 83 cubic feet of air at 100 PSI and 120 cubic feet at 150 PSI. A two-stage compressor is also quieter. Two-stage air compressors are more energy-efficient because they have 2 pistons instead of one. These air compressors achieve a higher pressure rating and recover more quickly. This type of compressor is perfect for jobs that require high air pressure for a prolonged period of time. In addition, they can operate multiple tools simultaneously. This makes them better for commercial and industrial use. Listed below are some benefits of two-stage air compressors. Single-stage air compressors can power tools in the garage or kitchen, but they are not as reliable for industrial applications. Single-stage compressors have larger parts that tend to experience condensation. Furthermore, single-stage compressors do not last long in continuous use and are less energy-efficient than two-stage ones. Whether you’re using the compressor for a single tradesperson, a small crew, or a large construction crew, two-stage compressors are the best choice. Single-stage air compressors are often used in small-scale food preparation and production. Single-stage air compressors are easy to transport between locations, and can be plugged into several electrical outlets. Single-stage compressors are also ideal for high-volume food processing. A dual-stage air compressor is ideal for industrial use. In some cases, you can even move the single-stage air compressor between two-stage air compressors. Single-stage compressors often cycle too quickly, drawing more electricity than two-stage units. A variable speed unit stays on a low speed for hours at a time. Single-stage air conditioners force you to lower your thermostat settings while single-stage air conditioners run too often. Both units are energy-efficient but they are not as energy-efficient as variable-speed compressors. The main difference is that single-stage air conditioners tend to drain the power source quicker.
Piston-driven air compressors are quieter
A piston-driven air compressor is 1 of the quietest types of air compressors. It is less noisy than reciprocating air compressors. A piston-driven air compressor can reach 62 decibels, while a scroll compressor is around half that volume. The 2 main components of a scroll air compressor are the piston and the helical screw. These air compressors are both very efficient and quiet. Older compressors are incredibly noisy. They produce a “wumpa” noise similar to a large engine. They are also capable of producing a high-pitched whine. These noises can be deafening, especially in a small workshop. That’s why it’s essential to look for a quiet compressor. But what makes a compressor quiet? Read on to learn more about this essential tool. Another difference between piston-driven air compressors and electric-driven air compressors is the power source. Electric air compressors produce less noise than gas-powered compressors, which use an engine. Piston-driven air compressors are also more efficient. They also generate less heat, making them an ideal choice for offices and other settings where noise is a problem. The best way to decide between the 2 types of air compressors is to check the manufacturer’s warranty and read the ‘Description’. Noise reduction is the first priority of a compressor’s owner, so make sure that you have the right model. If you’re working on something sensitive, don’t place the compressor too close to a building where people might be nearby. Noise can be very disruptive to the workspace and can cause health problems. To help combat noise, you’ll need to buy a quiet air compressor. And don’t forget to consider its location: Piston-driven air compressors are quieter than their reciprocating counterparts. Piston-driven air compressors are quiet because the piston is made of thin metal and more rubber, which absorbs the sound. Unlike reciprocating air compressors, piston-driven air compressors are more efficient than their dual-piston cousins, which are quieter and more powerful. So which type is right for you? Take a look at some of the main differences between the two. If you want a quiet compressor, make sure it meets the specifications required by the job you’re working on.
Oil-lubricated air compressors are more cost-effective
There are several reasons why oil-lubricated air compressors are more expensive than dry-type air compressors. First of all, oil-lubricated air compressors tend to be more reliable and quiet. Additionally, oil-lubricated air compressors require fewer parts and can last longer than dry-type air compressors. These are just a few of the many benefits of using oil-lubricated air compressors. Oil-free air compressors have some disadvantages. They are less durable and may not be as efficient as oil-lubricated models. Additionally, because oil-lubricated air compressors use oil, they can get very noisy. While they are less expensive, they are not the best option for heavy-duty work. However, modern oil-free air compressors have soundproofing and are suitable for industrial use. When purchasing an oil-lubricated air compressor, make sure to choose 1 with a tank capacity that meets your needs and your space. Larger tanks can be more expensive than small tanks, but larger units are easier to move around. Also, be sure to consider the weight and size of the portable air compressors when making your choice. If the weight is too large, you may have trouble carrying it from place to place. Another benefit of using oil-lubricated air compressors is their reduced need for oil. These models can last up to a decade longer than oil-free counterparts. Oil-free air compressors are more affordable and can achieve the same high performance as their oil-lubricated counterparts. Many industrial applications benefit from these air compressors. So, which 1 is right for you? We’ve listed a few of them below. Another benefit of choosing an oil-lubricated air compressor is the reduced cost of maintenance. This type is more durable than its oil-lubricated counterparts, which require regular oil changes to keep them running smoothly. However, it is not feasible to transport an oil-lubricated compressor, which means that you must install it permanently to keep it working efficiently. In addition, these air compressors are difficult to move and are not portable, which can limit your ability to use it in a pinch.
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.
A Buyer’s Guide to Air Compressor Types
There are many types of Air Compressors, and it’s important to understand what each type has to offer. In this article, we’ll discuss single stage air compressors, low-noise compressors, and models with 2 pistons. But, before you buy an Air Compressor, be sure to read our buyer’s guide to the various types. This way, you’ll have all of the information you need to make the right decision for your business.
Single-stage air compressors
A single-stage air compressor is an excellent choice for most general-purpose purposes. They provide enough power to operate pneumatic tools, and they produce less heat. Single-stage air compressors, however, are not suitable for heavy-duty industrial uses. However, they can be used in various applications, including auto shops, gas stations, and various manufacturing facilities. They are also suitable for borewells and other high-pressure places. These air compressors are a great choice for home use and are suitable for small-scale businesses, contractors, and small shops. These compressors have continuous duty cycles, cast iron compressor pumps, and a minimum 5,000-hour pump life. They also feature advanced features, including ODP motors, Auto Start & Controls, Receiver tanks, and power cords. They have low maintenance and can save you a great deal of money. Single-stage air compressors are generally less expensive and lighter than their two-stage counterparts. Single-stage air compressors are also more portable, which is a plus for small projects. While two-stage compressors offer higher CFM, they are more powerful and bulky, making them unsuitable for small or home use. So it is essential to determine what you will use the air compressor for and decide on a model based on your needs. A single-stage air compressor is made of a piston and a tank. The piston moves rapidly inside the cylinder and exerts pressure on the cylinder. This means that the piston can’t move any faster than the air pressure outside the cylinder. The piston is designed to operate in the same way for each stage. This is a great choice for home shops and one-man automotive shops, as it allows you to control the pressure without sacrificing the pump’s life. Single-stage air compressors are often cheaper than two-stage versions, but they are not the best choice for every application. If you are only using your air compressor occasionally, you’ll find a one-stage model to be much more reliable than a two-stage model. The main difference between the 2 types of compressors is in the amount of air that each stage compresses. A two-stage air compressor will have more air storage capacity, but it will still produce more pressure.
Rotary vane compressors
Rotary vane compressors use a centrifugal pump to compress air. The rotor is set eccentrically in the housing, which almost touches the vane. As the rotor turns, the air that enters the pump is trapped between the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are small pieces of carbon fiber or graphite composite. Vanes may be made of different materials depending on the application. While rotary vane pumps are not commonly used to produce compressed air, they are widely used in automotive and hydraulic applications. Chances are, you have used a rotary vane pump at some point in your life. These pumps are also common in the vacuum and compressed air industries. As a result, many people don’t realize that they’re still around. They feature slots that allow the vanes to slide in and out of the rotor. A rotary vane compressor has a drum and rotor inside. The rotor is eccentrically positioned and has slots and grooves on its surface. Its inlet and outlet ports are situated off-center, allowing the vanes to be pushed out by centrifugal force. Because the rotor rotates so quickly, air is trapped between the vanes. This air then becomes pressurized by the rotating rotor. Rotating vane compressors can be easily serviced and repaired. A simple replacement of carbon vanes requires just 15 minutes and common tools. The carbon vanes typically last 9 to 18 months, depending on system operating pressure. Before purchasing a rotary vane compressor, make sure to check whether it has been properly performance-tested and has a warranty. Generally, warranties cover the rotor/stator chambers but do not cover the vanes or air filters. You should also check if the unit is covered by a lightning or water damage warranty. Rotary vane compressors are an integral part of manufacturing industries. Many pharmaceutical manufacturing facilities depend on rotary vane compressors to control their equipment. Other industries that use rotary vane compressors include the plastics, woodworking, natural gas, and medical & dental fields. Their benefits are numerous and far outweigh any disadvantages of rotary screw compressors. For example, a rotary vane compressor can double the life of a conventional compressor.
Rotary vane compressors with low-noise models
If you are looking for a rotary vane air compressor, you have come to the right place. CZPT’s LV Series rotary vane compressors offer low-noise models, compact size, and robust integration. In addition to their low-noise features, they feature large filter systems to deliver high-quality compressed air. The LV Series models also feature CZPT’s reputation for reliability and quality. This type of compressor uses centrifugal force to operate and is limited in its top and minimum operating speeds. They are only a third as powerful as screw compressors, and their top speed limits are much lower. Furthermore, the vanes wear out easily at high speeds because there is not enough centrifugal force to seal them against the cylinder’s edges. Even at half their full capacity, they consume as much as 80% of their total energy rating. Because piston compressors produce a lot of noise, factory owners and shop owners have begun to install noise-dampening cabinets and other solutions. But, rotary vane compressors produce far less noise than a traditional vacuum, and the maintenance costs are also low. Rotary vane compressors are also extremely helpful in several industries. They are used in the automotive and auto finishing industries, as well as in dairy industries and milking machines. If you have a deep pond, a rotary vane air compressor kit can pump up to 20 feet of water. This is more than enough airflow for 2 to 5 diffusers. A 1/4 HP rotary vane kit pumps around 4.2 CFM. It also helps to increase circulation and oxygen levels in the pond. Finally, a 1/4 HP kit offers the necessary power to clean up the bottom of a pond. The rotary vane and rotary screw are the most popular air compressors today. While they are similar in many ways, they are more versatile and durable than their counterparts. They use fewer angular contact ball bearings and require less frequent maintenance than piston air compressors. Compared to piston air compressors, rotary vane and rotary screw compressors are quieter and are less expensive.
Rotary vane compressors with 2 pistons
The rotary vane and rotary screw compressors are similar in application, but both have different advantages and disadvantages. This article will compare the benefits of each and highlight the differences between them. While both are commonly used in industrial applications, rotary vane compressors are preferred by many industries. These compressors also have a wide range of uses, ranging from automotive air tool operation to milking machines. These compressors also have the advantage of being quieter than piston-powered ones. The current common rail position may not be suitable for pressure swirl injectors, but new positions have been tested and show improvements in specific energy values. Moreover, the current position is not required for external oil pumps. However, mass induction and expulsion have to be performed with utmost care. This article focuses on the design and efficiency of rotary vane compressors. You can find more information about this new design in the references mentioned below. The advantages of this type of compressor are its low cost, compact size, and easy maintenance. Hence, they are preferred in low capacity applications. Moreover, they feature integrated vanes. The rotating vanes close the air gap and compress air towards the outlet. Compared to piston-powered compressors, these units are cheaper and more reliable. Therefore, you should choose 1 with the lowest price tag. You can also opt for rotary vane compressors that are oil-free. Sliding vane compressors are another popular variant. They have a single cylinder connected to the compressor and are capable of operating at low speeds. This design also reduces the amount of friction and maintains volumetric efficiency. However, the sliding vane compressors suffer from high frictional losses. If you are looking for a more efficient rotary compressor, this is the best option. While sliding vane compressors have been in the spotlight for over a century, they are still quite young. These compressors are easy to install and maintain. They are also quieter than piston compressors. They are also cheaper than piston-driven compressors. The energy efficiency and low price make them the perfect choice for any commercial or industrial application. If you’re looking for a small, compact compressor, the rotary vane has been proven to be the best choice for your needs. You should know that it has a long service life.
Product Name: Made in China ISO9001 Certificate 15kw 2.3 m3/min 82cfm screw air compressor Model number: MCS-15 Maximum Pressure:12BAR/174PSI Working Pressure: 7-12 bar (102 – 174psi) Air Delivery/capacity: 1.9-2.5 m3/min Motor Power: 15kw/20hp Noise Level: 70 dBA Type of Driving: Direct Driven Type of Cooling: Air Cooling/Water Cooling Dimension: 950 x 800 x 1160 mm Weight: 400kg Output pipe Diameter: 1″
Comparision
Parameter
MODEL
MAXIMUM WORKING PRESSURE
FREE AIR DELIVERY* OF UNIT AT WORKING PRESSURE
MOTOR
NOISE LEVEL
AIR OUTLET DISCHARGE SIZE
WEIGHT
DIMENSIONS
Bar
PSI
l/s
m3/min
CFM
kW
HP
dBA
(mm)
KG
(mm)
MCS-5.5
7
102
14
0.85
30
5.5
7.5
65±2
G3/4
240
800 x 720 x 950
8
116
13
0.78
28
9
145
11
0.65
23
10
174
9
0.55
20
MCS-7.5
7
102
20
1.2
43
7.5
10
65±2
G3/4
250
800 x 720 x 950
8
116
18
1.1
39
9
145
15
0.9
32
10
174
13
0.75
27
MCS-11
7
102
28
1.65
59
11
15
70±2
G3/4
350
950 x 800 x1160
8
116
25
1.5
54
9
145
22
1.3
46
10
174
18
1.1
39
MSC-15
7
102
42
2.5
89
15
20
70±2
G3/4
400
1150x 900 x1380
8
116
38
2.3
82
10
145
35
2.1
75
12
174
32
1.9
68
MCS-18.5
7
102
53
1.1
114
18.5
25
72±2
G1
550
1150 x 900 x1380
8
116
50
2.5
107
10
145
45
2.3
96
12
174
40
21
86
MCS-22
7
102
63
3.8
136
22
30
73±2
G1
600
1150 x 900 x1380
8
116
60
3.6
129
10
145
53
3.2
114
12
174
45
2.7
96
MCS-30
7
102
88
5.3
189
30
40
74±2
G1
650
1150 x 900 x1380
8
116
83
5
179
10
145
75
4.5
161
12
174
67
4
143
MCS-37
7
102
113
6.8
243
37
50
74±2
G11/2
800
1320 x 1000 x1500
8
116
103
6.2
221
10
145
93
5.6
200
12
174
83
5
179
MCS-45
7
102
123
7.4
264
45
60
74±2
G11/2
900
1320 x 1000 x1840
8
116
117
7
250
10
145
103
6.2
221
12
174
93
5.6
200
MCS-55
7
102
167
10
357
55
75
75±2
G2
1300
1600 x 1470 x1460
8
116
153
9.2
329
10
145
142
8.5
304
12
174
127
7.6
271
MCS-75
7
102
223
13.4
479
75
100
75±2
G2
1500
1800x 1250 x1670
8
116
210
12.6
450
10
145
187
11.2
400
12
174
167
10
357
MCS-90
7
102
268
16.1
575
90
120
75±2
G2
1700
1800 x 1250 x1670
8
116
250
15
536
10
145
230
13.8
493
12
174
210
12.6
450
advantages
1. Easy for Maintenance, Low cost for Maintenance
All the pipe and spare parts is standardized, they can be changed fast.
2. 6000sets capacity for each month.
As 1 of the largest Air compressor Manufacture, with Advanced Automatic Production Line, 6000set air compressor can be produced for each month. The production cost is greatly reduced by the production scale production. Providing the most cost-effective product for you.
3. Rich experience in compressed air system solution, 1 stop service and provide air compressor system design
We can provide one- stop solution. We can not only provide the air compressor, but also high quality air treatment equipment, such as air tank, air dryer, air filter, air pipe, valves and air compressor spare parts. Save your time and cost greatly.
4. Strong R&D Capability
Annual Increasing R&D investment. Introduce German GU technology and the Japanese Military technology.
Long- term collaborative project with HangZhou Jiaotong University.
Application
Sales Service
Professional online consultant to solve your question about compressor system.
√ Free site design consultant, and energy saving solution to help you save operation cost.
√ Negotiable technician available to service machinery overseas.
√ Online professional after-service until solve the problem.
√ 1 year warranty after commissioning or 16 months against shipping date, it depends on which 1 come firstly for the whole machine(except maintenance consumable).
√ A sufficient number of spare parts are available, make sure the good after service.
Certificate
About mikovs
Mikovs Compressor
Founded in 2011
Main product: air compressors, air dryers and air filters
Professional R&D team, accept customization order
Strong quality control team, quality is strictly controlled
RFQ
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor more than 8 years.
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.Worldwid 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.Raw- material in checking.
2.Assembly.
3.Worldwid after service available.arrange our engineers to help you training and installation.
Q9. Do you offer OEM service ?
A: Yes.
How to Choose the Right Air Compressor
An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.
Electric motor
While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor. Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series. A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with 2 digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor. When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
Oil bath
Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.
Start/stop control
An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously. To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it. In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance. Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor. Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
Variable speed drive
A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs. In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations. One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between 40 percent and 80 percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability. A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart. A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.
This series of products pay more attention to the structural layout of products and the application of innovative technologies while improving the strength of the machine body. The self-developed cooler is equipped with fans with corresponding speed ratio, which can ignore all the high temperature weather. Diesel engines operating at economic speeds can improve fuel economy while operating at low noise. The double-door design greatly solves the trouble of inconvenient replacement of filter element during maintenance.
TECHNICAL SPECIFICATIONS
Type
Screw Air Compressor
Item
20/20
Rated FAD
20 m³/min
Rate Pressure
20 bar
Diesel Brand
Cummins Diesel
Engine Power
191KW
Compression stage
2 Stage
Whole Machine walking mode
4wheels
Dimensions (L*W*H)
3200*2000*2600mm
Weight
3700KG
Detailed Photos
Packaging & Shipping
Company Profile
FAQ
Q1: Are you factory or trade company? A1: We are factory. And we have ourselves trading company.
Q2: What the exactly address of your factory? A2: Our company is located in Kaixuan Road ,Economic Zone HangZhou, ZHangZhoug, China
Q3: Warranty terms of your machine? A3: One year warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the machines? A4: Yes, of course.
Q5: What about the voltage of products? Can they be customized? A5: Yes, of course. The voltage can be customized according to your equirement.
Q6: Which payment term can you accept? A6: 30% T/T in advanced, 70% T/T against the B/L copy.
The Air Compressor Is a Versatile Tool
The Air Compressor is 1 of the most versatile tools in any garage or workshop. It is easy to use and can perform a variety of tasks, from jackhammering to drilling. These machines are available in a wide variety of sizes and types, making it an excellent choice for a variety of situations. With a single motor, you no longer need separate motors for each tool. Its lightweight, compact design makes it easy to handle, and the single motor also reduces wear on parts.
Oil-injected
Oil-injected air compressors require a large amount of lubricant, which needs to be added to the sump regularly to maintain optimum performance. As there are many types of industrial fluids, a well-intentioned maintenance technician may add the wrong lubricant to the compressor. If this happens, the compressor will become incompatible with the lubricant, resulting in excessive carryover and the need to flush and replace downstream air treatment components. Typically, the G 110-250 oil-injected rotary screw compressor from Atlas Copco provides reliable compressed air, preventing costly downtime. The G110-250 oil-injected rotary screw compressor is highly reliable and durable, enabling it to function in temperatures up to 46degC/115degF. Despite the oil-injected air compressor’s robust design, this unit requires very little on-site installation, and it features simple operation. The primary advantage of oil-injected air compressors is the reduced cost of running. The cost of oil-free compressors is less than half of that of oil-injected ones, and it will require fewer maintenance costs in the long run. Moreover, the oil-free system is more environmentally friendly than oil-injected air compressors. But the drawbacks of oil-injected air compressors are substantial, too. It can contaminate finished goods and cause a significant financial risk for the manufacturer. An oil-injected rotary screw air compressor offers several advantages over its counterpart. First, it features an innovative vertical design with variable-speed drive, allowing it to run more efficiently. Second, oil-injected air compressors reduce energy consumption by up to 50% compared to non-oil-injected air compressors. They also have a thermostatic valve, allowing them to maintain an optimum temperature. Thermostatically-regulated oil coolers allow the compressor to run more quietly.
Oil-free
What is an oil-free air compressor? The name refers to a type of air compressor that does not contain oil in the compressor chamber. Oil-free air compressors still use oil for various purposes, including lubricating the moving parts and managing waste heat. However, many people do not realize that their air compressor still requires oil for proper functioning. This article will explore why this type of air compressor is preferable for many users. First of all, oil-free air technology has many benefits. For one, it reduces the energy cost involved in filtering air, and it minimizes leaks. Moreover, it also reduces the oil costs associated with compressor refills. And finally, it reduces the risks of contamination. Oil-free air technology is the future of compressed air. If you’re looking for an oil-free air compressor, here’s what to look for in your search. Depending on the purpose of your air compressor, it may be beneficial to invest in an oil-free air compressor. Oil-lubricated air compressors are generally more durable than their oil-free counterparts, but they may cost twice as much. You should still consider the cost of ownership before purchasing an oil-free compressor. The oil-free models can be easier to transport, and they are more powerful. Moreover, they’re quieter than oil-lubed models. An oil-free air compressor also means less maintenance, as it doesn’t need oil to work. This type of air compressors also features fewer moving parts, which means fewer places for problems to develop. All oil-free air compressors are manufactured to meet ISO Class 0 and 1 air purity standards. They also have less noise and vibration compared to their oil-based counterparts. So, why not choose an oil-free air compressor for your business?
Gasoline
When choosing a gas-powered air compressor, it’s important to consider the advantages of gasoline. This energy source can power a large air compressor without electricity. However, this type of air compressor lacks electrical hookup, so you’ll need to run an extension cord if you need to use it at a distance. However, gas compressors are able to function with just a gas tank. This makes them ideal for medium to heavy-duty industrial applications. Another important consideration when choosing a gas air compressor is its size. Larger compressors are typically larger than portable ones and require more space. This makes them easier to transport and operate on the go. However, if you’re not sure which type of air compressor is best for you, consider the gas-powered versions. While they may be lighter, they don’t run as smoothly as their electric counterparts. Gasoline-powered compressors are not as portable as their electric counterparts and require proper maintenance.
Electricity
Electricity in an air compressor is not cheap. A 25 HP air compressor runs for 10 hours each day, 5 days a week. The motor in these machines consumes 746 watts per hour. To find out how much electricity the equipment uses, multiply the wattage by the running time. For example, if the compressor runs for 3 hours, then it will use 1.9 kilowatt hours of electricity. To determine how much electricity an air compressor uses per day, you can calculate the kilowatt hours and multiply the number by the utility rate. Considering this, you can determine the cost of running your air compressor once per month. The cost of operating an air compressor depends on the type of compressor. Electric air compressors are often silent and can run without any maintenance. These tools can be left unattended for up to 4 thousand hours before requiring repair. Electric air compressors require higher power for higher pressure, so you should plan accordingly. Whether or not you need a maintenance visit is up to you, but the benefit of not having to spend a fortune on repairs is priceless. Although compressed air is not an energy-efficient source, its use in a variety of applications may save you money and kilowatts. Since an air compressor uses power when it is running, the cost is lower than the cost of operating a power tool. If you plan to use your air compressor for a long time, make sure that it is maintained properly. Proper care will save you money and power, and you may even be able to get an extended warranty if the compressor breaks down.
Variable frequency drive
The main purpose of a variable frequency drive (VFD) in an air compressor is to reduce energy consumption in the process of compression. A single motor drag system cannot adjust its speed continuously according to the weight of the load. By applying frequency control to the compressor, the power consumption can be reduced while maintaining the same pressure level. Therefore, a VFD is an excellent choice for compressors. Its benefits are numerous. A VFD can also monitor the temperature of the motor and send error signals if the motor is running too hot or too cold. This eliminates the need for a separate sensor to monitor the oil pressure. These functions are useful not only in lowering energy consumption, but also in improving the performance of an application. Moreover, a VFD can monitor additional variables such as temperature and motor speed. Hence, it is a useful investment. When using a VFD, it is crucial to choose the right motor. The speed of the compressor should be within the maximum starting limit of the motor. The air tank may be of any size, but a constant pressure limit is required to keep the VFD running within the service factor of the motor. In addition to a VFD, a master controller should also include a remote pressure set point and a PID card for a master controller. The transmitter should incorporate all useful data from the VFD, including the speed and the oil temperature. The VFD must be tested before it is integrated with the master control. It should be tested for min and max speed, temperature, and current within the expected range. The use of a VFD in an air compressor has many benefits. One of the most notable is the reduction in power consumption. Fixed-speed compressors run on set points of 6 to 7 bar. An extra bar of compression uses 7 percent of energy. This energy is wasted. A VFD-powered air compressor can also increase the life span of compressor parts. It is 1 of the best investments in your compressor. So, why wait any longer?
100HP 75kW Energy Saving 40% Air Cooling Two Stage Compressor Industrial Rotary PM VSD Screw Air Compressors with CE ISO Certificate
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
Product Parameters
Technical Parameter
1.power frequency
ODEL
Air flow Capacity (m³/min)
Power
(kW)
Noise
(DB)
Outlet
Diameter
Dimension ( mm)
Weight
(Kg)
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
Certifications
Certificate
Project case
Project case
Customer feedback
Customer feedback
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 SCREW COMPRESSOR 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) Worldwide agents and after service available.
How to Choose the Right Air Compressor
An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.
Electric motor
While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor. Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series. A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with 2 digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor. When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
Oil bath
Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.
Start/stop control
An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously. To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it. In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance. Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor. Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
Variable speed drive
A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs. In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations. One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between 40 percent and 80 percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability. A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart. A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.
Scroll Type AIR COOLING Compressor Condensing Unit
• High Speed Refrigeration
– Large refrigeration capacity and efficient heat exchange to ensure food quality – Applicable refrigerant includes R22, R404A, R507, R407a etc., providing more flexibility for customized refrigeration system solutions
• High Reliability
Stable operation, Low failure eate, Long service life
• Energy Saving
Improved energy efficiency, Environmental-friendly
• Wide Application
Suitable for high temperature, medium temperature and low temperature cold storage -40ºC to 10ºC wide operation range
• Smooth operation, less noise and vibration compared with piston condensing unit
– High reliability – High energy efficiency – Wide operation range – Lower noise and less vibration
• Larger Air Condenser and Fan Motor Power – Higher heat dissiaption capacity – Advantages are more pronounced in terms of high ambient temperature and seasonal cold storage
• Various Structure
Wall Mounted Type
Box Type
Open Type
1. Wall-mounted Type: SPACE SAVING – 1 fan motor or 2 fan motors, available for 2HP~7.5HP – Air condenser with hydrophilic film coating, higner corrosion resistance – Inner spiral copper pipes, higner heat exchange area and heat exchange efficiency – Thickened shell made from professional air conditioner manufacturer 2. Box Type: IDEAL FOR OUTDOOR – U shape, V shape or W shape condenser – Available for the whole series – Easy to ship, install and maintain 3. Open Type: – H shape condenser
• Parallel Application – High Reliability: when a compressor in the parallel unit fails, other compressors can continue to work normally, avoiding heavy losses – Provide multi-stage energy regulation, and the unit cooling output can match the actual load demand – Through parallel connection, the refrigeration capacity can be expanded, the space occupied by the equipment can be reduced, and the pipeline can be reduced – Save cost and maintenance cost, and extend the service life of the equipment
• Equiped with High Quality Refrigeration Accessories 1. Standard Configuration: compressor, air condenser, low noise air conditioning fan, solenoid valve, filter, liquid reservoir, oil filled high and low pressure gauge, high / low pressure controller, liquid sight glass, 3GS / POE refrigeration oil 2. Optional Configuration: silencing cotton, adjustable speed fan, low-pressure controller (for low-pressure shutdown), hot fluorine defrosting valve, oil separator, gas separator, compressor contactor, single protector
Product Parameters
High and Medium Temp. Series
Low Temp. Series
Low Temp. Freezing Sereis
Evaporation Temp. Range
-20ºC~10ºC
-30ºC~0ºC
-40ºC~7ºC
Medium Temperature Wall-Mounted Air Cooling Condensing Unit
Medium Temperature Box Type Air Cooling Condensing Unit
Low Temperature Wall-Mounted Air Cooling Condensing Unit
Low Temperature Box Type Air Cooling Condensing Unit
Low Temperature Refrigeration Box Type Air Cooling Condensing Unit
ZHIYUN Refrigeration Equipment Co., Ltd is a comprehensive enterprise including trade, engineering, and manufacture. The company is found in 1982 in ZheJiang Province, and there are 2 branches (XiaMen and QuanZhou) and 3 factories (condensing unit factory, evaporator factory and PU panel factory). Through over 30 years of efforts, ZHIYUN has developed to be a professional refrigeration company with considerable size, reputation and influence. We have successfully sold our products to over 20 countries and have long term partners in Africa and Southeast Asia. During the development, we insist the business objective of “Based on Sincerity, Serve the First”, establishing our perfect pre-sale and after-sale service system, working the best to satisfy our customers.
ZHIYUN specializes in the retail and wholesale of refrigeration equipment, air conditioning equipment, and installation materials. We are the agent for selling domestic and international famous brands of refrigeration equipment: CZPT semi-hermetic compressor series, CZPT refrigeration scroll compressor series, Bitzer/XueYing semi-hermetic reciprocating compressor series/semi-hermetic screw compressor series, FUSHENG/HANBELL screw compressor series, and evaporator and condenser series.
ZHIYUN specializes in manufacturing compressor condensing units (scroll units, screw units, reciprocating units, parallel units), polyurethane cold storage and doors, aluminum rows and plates, chiller units, marine units, freezing tunnels and industrial cooling equipment, etc. Also, we undertake the installation of small and medium cold storage, and installation and repair of various refrigeration equipment and air conditioning equipment.
1. Q: Are you a manufacturer? A: Yes, we are manufacturer. Non-standard customization and OEM service are both welcomed and available. 2. Q: Can I get the warranty? A: Yes, under the condition that the user apply the equipment correctly, we provide 1 year quality warranty. 3. Q: How to buy? A: Please contact us by email or online at first, and then we will offer our proposal and quotation based on your demand. 4. Q: How to pay? A: 30% of total amount to be paid before production, and the balance payment before shipment. 5. Q: How to ship? A: We work with experienced shipping agent who could arrange your delivery on the cheapest and fastest way. Our closest port is HangZhou. 6. Q: What about the delivery date? A: 10-30 days, depends on the order. 7. Q: What about the maintenance? A: All the products are tested before shipment, and maintenance is easy. We provide patient pre-sale service and considerate after-sale service.
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.
7.5kw-250kw Electric Air Cooling Oilless Industrial Rotary Screw Air Compressor
1. Photo & Features :
2. Details of GREAT screw air compressor :
3.Features & technical parameters:
1) High reliability
• large air end and low speed design
•SKF bearings whose service life for more than 50,, China
Q3: Warranty terms of your machine? A3: One year for whole machine 2 year for air end , and technical support according to your needs.
Q4: Will you provide some spare parts of the machines? A4: Yes, of course.we have our own spare parts companys
Q5: What about product package? A5: We pack our products strictly with standard seaworthy case.
Q6: What about the voltage of products? A6: voltage can be customized according to your equirement.
Q7: Which payment term can you accept? A7: TT or LC
Q8: How long will you take to arrange production? A8: 380V 50HZ we can delivery the goods within 7-15 days. Other electricity or other color we will delivery within 15-20 days.
Q9: Can you accept OEM orders? A9: Yes, with professional design team, OEM orders are highly welcome.
Q10: Which trade term can you accept? A10: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.
8. Our service :
8.1 After-sale Service • Any questions or requests before, during or after sales, we would like to help you any time and will find you the best solution in 24 hours. • Warranty: One year for the whole machine 2 year for air end , and spare parts will be provided with best price. • Over board engineer service is available.
8.2 Special Customized Service 1) Full OEM • Quantity: at least 5 pcs • In this plan, we will do all the changes (Color, name plate and logo) as your need, and will not charge extra fee. 2) Half OEM • Quantity: no limit • Under this program, we can make the necessary alteration (name plate and logo) but we will charge some extra fee for the name plate, as the name plate factory has the MOQ. 3) Logo OEM • Quantity: no limit • Only the logo will be changed to yours, and no extra fee will be charged.
8.3 Overseas Engineer Service • We are available to send our engineer for aboard service. Only need you to arrange the accommodation, transportation and translator. Extra cost for each will be discussed based on local price
9. Contact:
Company Name:
ZheJiang GREAT air compressor Co.,LTD
Company address:
West of the cross of Yijing road and Siwei road, Xihu (West Lake) Dis.li Economic Development Area, ZheJiang , 300300, China.
Website:
http://greataircompressor
Sales Manager:
Celia Meng
How to Choose the Right Air Compressor
An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.
Electric motor
While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor. Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series. A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with 2 digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor. When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
Oil bath
Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.
Start/stop control
An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously. To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it. In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance. Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor. Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
Variable speed drive
A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs. In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations. One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between 40 percent and 80 percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability. A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart. A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.
Runningway oil-free scroll air compressor with culinary and beavery applications. Capacity ranges between 0.3 and 5.4 m3/min.
Certified Air Compressor The products have passed the TUV Class 0, IP67, EMC, and salt spray tests in Germany.
No Oil Oil-free, to entirely eliminate the problem of oil leaks and oil in compressed air.
0 Emissions To achieve zero emissions, avoid using clean oil discharge and waste oil processing on a regular basis.
Efficient Scrolling indefinitely, high efficiency, and low energy consumption
Low Cost Maintenance is simple and time-consuming; preventive maintenance requires only 2 hours each year.
Low Failure Rate The slip sheet machine has a low failure rate of less than 10%, there is no oil emulsification phenomenon, and maintenance is simple and convenient.
Low Noise During operation, the dynamic and static scrolls do not come into touch, resulting in little vibration and noise.
Simple Structure Scroll air end features a simple structure, fewer parts, and fewer worn parts, which considerably lowers the need for replacement parts while maintaining excellent durability. High-quality air supply capability and a sturdy structure design can improve reliability.
Certifications
Product Parameters
Model
Maximum Working Pressure
Capacity(FAD)*
Installed Motor Power
Motor Power
Noise Level
Air Outlet Pipe Diameter
Dimension
Weight
Air End
50hz
bar(g)
psig
m3/min
cfm
kw
hp
V/Hz/PH
dB(A)
Inch
L
W
H
kg
Piece
Rw3-8
8
116
0.3
11
3
4
220/50/1
55±2
3/4
760
690
820
200
1A
Rw4-8
8/10
116/145
0.4/0.3
14/11
3.7
5
380/50/3
55±2
3/4
760
690
820
200
1A
Rw4-8Y
8/10
116/145
0.4/0.3
14/11
3.7
5
380/50/3
55±2
3/4
1400
780
1485
450
1A
Rw4-8N
8/10
116/145
0.4/0.3
14/11
3.7
5
380/50/3
55±2
3/4
1400
780
1485
300
1A
Rw5-8
8/10
116/145
0.6/0.4
21/14
5.5
7
380/50/3
55±2
3/4
760
690
820
200
1B
Rw5-8Y
8/10
116/145
0.6/0.4
21/14
5.5
7
380/50/3
55±2
3/4
1400
780
1485
450
1B
Rw5-8N
8/10
116/145
0.6/0.4
21/14
5.5
7
380/50/3
55±2
3/4
1400
780
1485
400
1B
Rw5-8NX
8/10
116/145
0.6/0.4
21/14
5.5
7
380/50/3
55±2
3/4
1400
700
1575
300
1B
Rw7-8
8
116
0.8
28
7.5
10
220/50/1
60±2
1½
1400
700
1200
400
2A
Rw7-8
8/10
116/145
0.8/0.6
28/21
7.5
10
380/50/3
60±2
1½
1400
700
1200
350
2A
Rw7-8N
8/10
116/145
0.8/0.6
28/21
7.5
10
380/50/3
60±2
1½
1400
700
1200
400
2A
Rw11-8
8/10
116/145
1.2/0.8
42/28
11
15
380/50/3
60±2
1½
1400
700
1200
350
2B
Rw11-8NX
8/10
116/145
1.2/0.8
42/28
11
15
380/50/3
60±2
1½
1400
700
1200
450
2B
Rw16-8
8/10
116/145
1.8/1.5
64/53
16.5
22
380/50/3
62±2
1½
1400
700
1670
500
3B
Rw22-8
8/10
116/145
2.4/2.0
85/71
22
30
380/50/3
65±2
1½
1440
1550
1200
800
4B
Rw27-8
8/10
116/145
3.0/2.4
106/85
27.5
37
380/50/3
65±2
1½
1400
1550
1670
1080
5B
Rw33-8
8/10
116/145
3.6/3.0
127/106
33
44
380/50/3
65±2
1½
1400
1550
1670
1200
6B
Rw38-8
8/10
116/145
4.2/3.6
148/127
38.5
52
380/50/3
65±2
1½
2320
1450
1740
1400
7B
Rw44-8
8/10
116/145
4.8/4.0
170/141
44
59
380/50/3
65±2
1½
2320
1450
1740
1520
8B
Rw49-8
8/10
116/145
5.4/4.5
191/159
49.5
66
380/50/3
65±2
1½
2320
1450
1740
1650
9B
Detailed Photos
What to Look For When Buying an Air Compressor
An air compressor is a very useful tool that can help you complete many different types of construction jobs. This handy machine makes many tasks much easier, but not all of them are created equally. Understanding what to look for when buying an air compressor will help you make an informed decision. Here are some of the things you should look for. These include price, size, and energy efficiency. Also, make sure to consider the air compressor’s type.
Single-stage air compressors are quieter
When it comes to noise level, single-stage air compressors are the way to go. These machines have fewer moving parts and are quieter than two-stage models. Single-stage air compressors use an axial flow design and can be quieter than their dual-stage counterparts. Single-stage air compressors can run longer and at lower pressures. Single-stage air compressors can be used for light industrial applications. They have a long life expectancy, with some models lasting for over 3 thousand hours. While some single-stage air compressors are quieter than two-stage air compressors, both models have noise-reduction features. One type features rubber parts, which are designed to dampen noise. Another feature makes a compressor quieter: its location near the job site. Some models feature rubber base plugs and rubber mats to reduce floor vibrations. In addition to using these features, single-stage compressors are easier to transport. Noise levels are important when choosing an air compressor. Some machines are too noisy for comfortable work, and some businesses don’t want to expose customers to noise-generating air compressors. Other noise levels can even endanger workers’ health. Single-stage air compressors are more affordable than dual-stage compressors. They are also quieter and more powerful. But be prepared for the noise. Some single-stage air compressors are still noisy. Compared to their two-stage counterparts, single-stage compressors are quieter when running at full capacity. However, double-stage compressors are quieter on low capacities than single-stage units. Those with variable speed are quietest at lower capacities. The difference is about 10db. If you’re concerned about the noise level, you should consider a two-stage air compressor. But if you have a small workshop, it may not be suitable for you. One-stage air compressors are generally more efficient than two-stage air compressors. The noise from a two-stage air compressor is lower because there’s no intermediate stage. Single-stage air compressors also use a piston that rotates in a single stage, while dual-stage air compressors, also known as duplex models, are more efficient. A single-stage air compressor is quieter, but double-stage compressors are louder.
Two-stage air compressors are more energy efficient
Two-stage air compressors are more energy-efficient than single-stage machines. The efficiency of two-stage air compressors is increased through a combination of improved efficiency and increased longevity. These machines can store more air and have higher compression ratios. One model of a two-stage compressor can hold approximately 83 cubic feet of air at 100 PSI and 120 cubic feet at 150 PSI. A two-stage compressor is also quieter. Two-stage air compressors are more energy-efficient because they have 2 pistons instead of one. These air compressors achieve a higher pressure rating and recover more quickly. This type of compressor is perfect for jobs that require high air pressure for a prolonged period of time. In addition, they can operate multiple tools simultaneously. This makes them better for commercial and industrial use. Listed below are some benefits of two-stage air compressors. Single-stage air compressors can power tools in the garage or kitchen, but they are not as reliable for industrial applications. Single-stage compressors have larger parts that tend to experience condensation. Furthermore, single-stage compressors do not last long in continuous use and are less energy-efficient than two-stage ones. Whether you’re using the compressor for a single tradesperson, a small crew, or a large construction crew, two-stage compressors are the best choice. Single-stage air compressors are often used in small-scale food preparation and production. Single-stage air compressors are easy to transport between locations, and can be plugged into several electrical outlets. Single-stage compressors are also ideal for high-volume food processing. A dual-stage air compressor is ideal for industrial use. In some cases, you can even move the single-stage air compressor between two-stage air compressors. Single-stage compressors often cycle too quickly, drawing more electricity than two-stage units. A variable speed unit stays on a low speed for hours at a time. Single-stage air conditioners force you to lower your thermostat settings while single-stage air conditioners run too often. Both units are energy-efficient but they are not as energy-efficient as variable-speed compressors. The main difference is that single-stage air conditioners tend to drain the power source quicker.
Piston-driven air compressors are quieter
A piston-driven air compressor is 1 of the quietest types of air compressors. It is less noisy than reciprocating air compressors. A piston-driven air compressor can reach 62 decibels, while a scroll compressor is around half that volume. The 2 main components of a scroll air compressor are the piston and the helical screw. These air compressors are both very efficient and quiet. Older compressors are incredibly noisy. They produce a “wumpa” noise similar to a large engine. They are also capable of producing a high-pitched whine. These noises can be deafening, especially in a small workshop. That’s why it’s essential to look for a quiet compressor. But what makes a compressor quiet? Read on to learn more about this essential tool. Another difference between piston-driven air compressors and electric-driven air compressors is the power source. Electric air compressors produce less noise than gas-powered compressors, which use an engine. Piston-driven air compressors are also more efficient. They also generate less heat, making them an ideal choice for offices and other settings where noise is a problem. The best way to decide between the 2 types of air compressors is to check the manufacturer’s warranty and read the ‘Description’. Noise reduction is the first priority of a compressor’s owner, so make sure that you have the right model. If you’re working on something sensitive, don’t place the compressor too close to a building where people might be nearby. Noise can be very disruptive to the workspace and can cause health problems. To help combat noise, you’ll need to buy a quiet air compressor. And don’t forget to consider its location: Piston-driven air compressors are quieter than their reciprocating counterparts. Piston-driven air compressors are quiet because the piston is made of thin metal and more rubber, which absorbs the sound. Unlike reciprocating air compressors, piston-driven air compressors are more efficient than their dual-piston cousins, which are quieter and more powerful. So which type is right for you? Take a look at some of the main differences between the two. If you want a quiet compressor, make sure it meets the specifications required by the job you’re working on.
Oil-lubricated air compressors are more cost-effective
There are several reasons why oil-lubricated air compressors are more expensive than dry-type air compressors. First of all, oil-lubricated air compressors tend to be more reliable and quiet. Additionally, oil-lubricated air compressors require fewer parts and can last longer than dry-type air compressors. These are just a few of the many benefits of using oil-lubricated air compressors. Oil-free air compressors have some disadvantages. They are less durable and may not be as efficient as oil-lubricated models. Additionally, because oil-lubricated air compressors use oil, they can get very noisy. While they are less expensive, they are not the best option for heavy-duty work. However, modern oil-free air compressors have soundproofing and are suitable for industrial use. When purchasing an oil-lubricated air compressor, make sure to choose 1 with a tank capacity that meets your needs and your space. Larger tanks can be more expensive than small tanks, but larger units are easier to move around. Also, be sure to consider the weight and size of the portable air compressors when making your choice. If the weight is too large, you may have trouble carrying it from place to place. Another benefit of using oil-lubricated air compressors is their reduced need for oil. These models can last up to a decade longer than oil-free counterparts. Oil-free air compressors are more affordable and can achieve the same high performance as their oil-lubricated counterparts. Many industrial applications benefit from these air compressors. So, which 1 is right for you? We’ve listed a few of them below. Another benefit of choosing an oil-lubricated air compressor is the reduced cost of maintenance. This type is more durable than its oil-lubricated counterparts, which require regular oil changes to keep them running smoothly. However, it is not feasible to transport an oil-lubricated compressor, which means that you must install it permanently to keep it working efficiently. In addition, these air compressors are difficult to move and are not portable, which can limit your ability to use it in a pinch.
380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:
7~12.5 bar
Installed Motor Power:
90KW~400KW
Capacity:
12.5~74 m3/min
Color:
Blue
Driven Method:
Direct Driven
Trademark:
SCR
Transport Package:
Standard Wooden Packing
Available Certificate:
CE, ISO, UL, ASME, GHOST
Origin:
ZheJiang , China
application:
Casting , Metal , Plastic , Rubber
Product Features
German high quality centrifugal fan
German ROSENBERG’s newest centrifugal fans, big cooling air volume, stable and uniform air pressure , full use of the heat dissipation area, good cooling effect. Totally conquer the problem of big horse power air cooling type compressors poor cooling effect problems.
High quality air inlet valve
SCR use a high quality imported inlet valve. CZPT have adopted this technology because when the machine unloads the device will automatically adjust the exhaust pressure. Compared with similar products this greatly reduces the unload power, also reduces the bearing load at the same time, and improving the bearing service life.
American High quality air filter system
The Donaldson air filter adopts a nano coating on the filter surface with an innovative filter construc-tion. The filter has a low pressure drop which reduc-es energy consumption. Compared with traditional filters it has a higher dust capacity and lower flow resistance.
High quality high efficiency specialized motor
High Efficiency all closed air cooling air compressor specialized motor. Protection grade IP55 Optional , insulation grade F, class B temperature rise, can prevent dust and moisture into the motor. CZPT bearing can ensure long-term continuous trouble-free operation.
Model
SCR125II-8
SCR125II-10
SCR125II-12.5
Capacity/Pressure(m3/min,/BAR)
15.5/8
14.1/10
11.7/12.5
TEFC Motor
Power(KW)
90KW(125H.P)
Speed(r/min)
2970
Starting way
Star-Delta
Volt(V)
380/400/415(220)
Motor safety grade
IP54
Motor isolation grade
F
Electrical Supply
380(400,415)V/50Hz/3Phase, 220V/60HZ/3P
Outlet Temperature(ºC)
≤ Environment Temperature+10ºC
Driven way
Direct Driven
Noise level at 1 meter
79±3dB(A)
Cooling method
Air cooling
Oil content
≤3 ppm
Outlet Connection
Rc 2 1/2″
Dimension
Length(mm)
2500
Width(mm)
1600
Height(mm)
1775
Weight(KG)
2400
Product Categories
Advantages
Application
About SCR
A Buyer’s Guide to Air Compressor Types
There are many types of Air Compressors, and it’s important to understand what each type has to offer. In this article, we’ll discuss single stage air compressors, low-noise compressors, and models with 2 pistons. But, before you buy an Air Compressor, be sure to read our buyer’s guide to the various types. This way, you’ll have all of the information you need to make the right decision for your business.
Single-stage air compressors
A single-stage air compressor is an excellent choice for most general-purpose purposes. They provide enough power to operate pneumatic tools, and they produce less heat. Single-stage air compressors, however, are not suitable for heavy-duty industrial uses. However, they can be used in various applications, including auto shops, gas stations, and various manufacturing facilities. They are also suitable for borewells and other high-pressure places. These air compressors are a great choice for home use and are suitable for small-scale businesses, contractors, and small shops. These compressors have continuous duty cycles, cast iron compressor pumps, and a minimum 5,000-hour pump life. They also feature advanced features, including ODP motors, Auto Start & Controls, Receiver tanks, and power cords. They have low maintenance and can save you a great deal of money. Single-stage air compressors are generally less expensive and lighter than their two-stage counterparts. Single-stage air compressors are also more portable, which is a plus for small projects. While two-stage compressors offer higher CFM, they are more powerful and bulky, making them unsuitable for small or home use. So it is essential to determine what you will use the air compressor for and decide on a model based on your needs. A single-stage air compressor is made of a piston and a tank. The piston moves rapidly inside the cylinder and exerts pressure on the cylinder. This means that the piston can’t move any faster than the air pressure outside the cylinder. The piston is designed to operate in the same way for each stage. This is a great choice for home shops and one-man automotive shops, as it allows you to control the pressure without sacrificing the pump’s life. Single-stage air compressors are often cheaper than two-stage versions, but they are not the best choice for every application. If you are only using your air compressor occasionally, you’ll find a one-stage model to be much more reliable than a two-stage model. The main difference between the 2 types of compressors is in the amount of air that each stage compresses. A two-stage air compressor will have more air storage capacity, but it will still produce more pressure.
Rotary vane compressors
Rotary vane compressors use a centrifugal pump to compress air. The rotor is set eccentrically in the housing, which almost touches the vane. As the rotor turns, the air that enters the pump is trapped between the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are small pieces of carbon fiber or graphite composite. Vanes may be made of different materials depending on the application. While rotary vane pumps are not commonly used to produce compressed air, they are widely used in automotive and hydraulic applications. Chances are, you have used a rotary vane pump at some point in your life. These pumps are also common in the vacuum and compressed air industries. As a result, many people don’t realize that they’re still around. They feature slots that allow the vanes to slide in and out of the rotor. A rotary vane compressor has a drum and rotor inside. The rotor is eccentrically positioned and has slots and grooves on its surface. Its inlet and outlet ports are situated off-center, allowing the vanes to be pushed out by centrifugal force. Because the rotor rotates so quickly, air is trapped between the vanes. This air then becomes pressurized by the rotating rotor. Rotating vane compressors can be easily serviced and repaired. A simple replacement of carbon vanes requires just 15 minutes and common tools. The carbon vanes typically last 9 to 18 months, depending on system operating pressure. Before purchasing a rotary vane compressor, make sure to check whether it has been properly performance-tested and has a warranty. Generally, warranties cover the rotor/stator chambers but do not cover the vanes or air filters. You should also check if the unit is covered by a lightning or water damage warranty. Rotary vane compressors are an integral part of manufacturing industries. Many pharmaceutical manufacturing facilities depend on rotary vane compressors to control their equipment. Other industries that use rotary vane compressors include the plastics, woodworking, natural gas, and medical & dental fields. Their benefits are numerous and far outweigh any disadvantages of rotary screw compressors. For example, a rotary vane compressor can double the life of a conventional compressor.
Rotary vane compressors with low-noise models
If you are looking for a rotary vane air compressor, you have come to the right place. CZPT’s LV Series rotary vane compressors offer low-noise models, compact size, and robust integration. In addition to their low-noise features, they feature large filter systems to deliver high-quality compressed air. The LV Series models also feature CZPT’s reputation for reliability and quality. This type of compressor uses centrifugal force to operate and is limited in its top and minimum operating speeds. They are only a third as powerful as screw compressors, and their top speed limits are much lower. Furthermore, the vanes wear out easily at high speeds because there is not enough centrifugal force to seal them against the cylinder’s edges. Even at half their full capacity, they consume as much as 80% of their total energy rating. Because piston compressors produce a lot of noise, factory owners and shop owners have begun to install noise-dampening cabinets and other solutions. But, rotary vane compressors produce far less noise than a traditional vacuum, and the maintenance costs are also low. Rotary vane compressors are also extremely helpful in several industries. They are used in the automotive and auto finishing industries, as well as in dairy industries and milking machines. If you have a deep pond, a rotary vane air compressor kit can pump up to 20 feet of water. This is more than enough airflow for 2 to 5 diffusers. A 1/4 HP rotary vane kit pumps around 4.2 CFM. It also helps to increase circulation and oxygen levels in the pond. Finally, a 1/4 HP kit offers the necessary power to clean up the bottom of a pond. The rotary vane and rotary screw are the most popular air compressors today. While they are similar in many ways, they are more versatile and durable than their counterparts. They use fewer angular contact ball bearings and require less frequent maintenance than piston air compressors. Compared to piston air compressors, rotary vane and rotary screw compressors are quieter and are less expensive.
Rotary vane compressors with 2 pistons
The rotary vane and rotary screw compressors are similar in application, but both have different advantages and disadvantages. This article will compare the benefits of each and highlight the differences between them. While both are commonly used in industrial applications, rotary vane compressors are preferred by many industries. These compressors also have a wide range of uses, ranging from automotive air tool operation to milking machines. These compressors also have the advantage of being quieter than piston-powered ones. The current common rail position may not be suitable for pressure swirl injectors, but new positions have been tested and show improvements in specific energy values. Moreover, the current position is not required for external oil pumps. However, mass induction and expulsion have to be performed with utmost care. This article focuses on the design and efficiency of rotary vane compressors. You can find more information about this new design in the references mentioned below. The advantages of this type of compressor are its low cost, compact size, and easy maintenance. Hence, they are preferred in low capacity applications. Moreover, they feature integrated vanes. The rotating vanes close the air gap and compress air towards the outlet. Compared to piston-powered compressors, these units are cheaper and more reliable. Therefore, you should choose 1 with the lowest price tag. You can also opt for rotary vane compressors that are oil-free. Sliding vane compressors are another popular variant. They have a single cylinder connected to the compressor and are capable of operating at low speeds. This design also reduces the amount of friction and maintains volumetric efficiency. However, the sliding vane compressors suffer from high frictional losses. If you are looking for a more efficient rotary compressor, this is the best option. While sliding vane compressors have been in the spotlight for over a century, they are still quite young. These compressors are easy to install and maintain. They are also quieter than piston compressors. They are also cheaper than piston-driven compressors. The energy efficiency and low price make them the perfect choice for any commercial or industrial application. If you’re looking for a small, compact compressor, the rotary vane has been proven to be the best choice for your needs. You should know that it has a long service life.
