China Hot selling Water Injected Oil-Free Screw Air Compressor Applications for Industrial Use wholesaler

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Product Description

Product Description

Single screw compressor has a balance of force, the vibration is small. Water to replace oil, to achieve lubrication, cooling, sealing noise, to provide qualified oil-free air, discharge of water without special treatment, in line with environmental protection requirements.
It is extensively used in conjunction with an oxygen generator and has a single screw with a set speed and a capacity ranging from 1 to 43 m3/min.
The symmetry of the structure and the potential of a return hole are set so that the radial and axial force of the single screw compressor can be entirely balanced, resulting in a design life of up to 300,000 hours.


Product Parameters

Model Maximum Working Pressure Capacity(FAD)* Installed Motor Power Cooling Method Noise Level Air Outlet Pipe
Dimension Weight
bar(g) psig m3/min cfm kw hp dB(A) L W H kg
RD7.5A 7 101 1.2 42 7.5 10 Air Cooling 61 G1” 1135 800 1000 480
8 116 1.1 39
10 145 1 35
RD11A 7 101 1.6 57 11 15 Air Cooling 61 G1” 1135 800 1000 500
8 116 1.5 53
10 145 1.3 46
RD15A 7 101 2.4 85 15 20 Air Cooling 61 G1” 1400 1000 1200 520
8 116 2.3 81
10 145 2 71
RD18.5A 7 101 3.1 109 18.5 25 Air Cooling 61 G1” 1400 1000 1200 520
8 116 2.8 99
10 145 2.5 88
RD22A 7 101 3.7 131 22 30 Air Cooling 61 G1” 1400 1000 1200 560
8 116 3.4 120
10 145 3 106
RD30A 7 101 5.2 184 30 40 Air Cooling 64 G1.5” 1920 1170 1320 1050
8 116 4.7 166
10 145 4.3 152
RD37A 7 101 6.1 215 37 50 Air Cooling 66 G1.5” 1920 1170 1320 1050
8 116 5.6 198
10 145 5 177
RD45A 7 101 7.5 265 45 60 Air Cooling 66 G2” 1920 1170 1320 1610
8 116 6.8 240
10 145 6 212
RD55W 7 101 10 353 55 74 Air Cooling 66 DN50 1930 1320 1535 1610
8 116 9 318
10 145 7.8 275
RD75W 7 101 13 459 75 100 Air Cooling 70 DN50 1930 1320 1535 1880
8 116 12 424
10 145 10 353
RD90W 7 101 15.5 547 90 120 Air Cooling 70 DN80 1930 1320 1535 2000
8 116 14 494
10 145 12.5 441
RD110W 7 101 20 706 110 147 Air Cooling 70 DN80 2150 1600 1680 3100
8 116 18 636
10 145 16 565
RD132W 7 101 25 883 132 177 Air Cooling 70 DN80 2150 1600 1680 3250
8 116 23 812
10 145 20 706
RD160W 7 101 27 954 160 215 Air Cooling 74 DN100 2150 1600 1680 3200
8 116 25.5 901
10 145 24 848
RD185W 7 101 30 1059 185 248 Air Cooling 74 DN100 2860 1500 1750 4500
8 116 28 989
10 145 25 883
RD200W 7 101 36 1271 200 268 Air Cooling 74 DN100 2860 1500 1750 4500
8 116 33 1165
10 145 27 954
RD250W 7 101 43 1519 250 335 Air Cooling 74 DN100 4150 1500 1800 5200
8 116 41 1448
10 145 38 1342

Detailed Photos


Choose an Air Compressor for Your Business

There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.

Positive displacement

Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are 2 different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.


The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only 1 cylinder, which means 1 stroke is required to move air from 1 cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the 1 with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of ​​the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have 1 air intake, and two-stage air compressors have 2 air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.

low noise

Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The 2 water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers 2 models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and 2 universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.
China Hot selling Water Injected Oil-Free Screw Air Compressor Applications for Industrial Use     wholesaler China Hot selling Water Injected Oil-Free Screw Air Compressor Applications for Industrial Use     wholesaler

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