Tag Archives: dry screw

China Standard 250kw Variable Speed Drive High Efficiency Silent Industrial Screw Rotary Oil Free Dry Two Stage Air Compressor air compressor for sale

Product Description

      

   Specification(VSD series)
  Model Capacity M3/min Power kw Noise level db Weight KG
3.5~10bar Water Cooling  Air Cooling
OFA1VSD OFA15VSD 1.1-3.3 15 74   930
OFA22VSD 4.5-5.6 22 74   1150
OFA30VSD 4-6.6 30 74   1300
OFW37VSD 5-8.4 37 74   1600
OFW45VSD 6.1-11.1 45 74   1750
OFA2VSD OFA55VSD 7.3-9.4 55 74   1900
OFA75VSD 10.7-12.4 75 74   2630
OFA90VSD 12.7-15.4 90 74   2700
OFA3VSD OFA110VSD 16.0-19.5 110 74    
OFA132VSD 18.8-21.8 132 74   4300
OFA160VSD 24.0-29.6 160 74   4300
OFA4VSD OFA200VSD 12.2-36.6 200 74    
OFA250VSD 14.2-41.8 250 74   6950
OFA275VSD 15.8-47.4 275 74    
OFA315VSD 45.0-52.1 315 74   6950
OFA5VSD OFA355VSD 50.4-57.5 355 74    
OFW1VSD OFW37VSD 2-5.9 37 74    
OFW45VSD 2.3-7 45 74    
OFW2VSD OFW55VSD 4.5-8.8 55 74    
OFW75VSD 4.5-13.2 75 74 2170  
OFW90VSD 4.5-15.5 90 74 2220  
OFW3VSD OFW110VSD 6.4-19.1 110 74    
OFW132VSD 7.7-22.4 132 74 3500  
OFW160VSD 14.5-42.9 160 74 3500  
OFW4VSD OFW200VSD 18-36.1 200 74    
OFW250VSD 19.-38.4 250 74 6400  
OFW275VSD 20.0-41.0 275 74    
OFW315VSD 46.0-50.9 315 74 6650  
OFW5VSD OFW355VSD 50.4-56.3 355 74 6950  
OFW400VSD 55.8-62.1 400 74 7060  
OFW450VSD 63.8-76.5 450 74 8400  
OFW500VSD 73.1-83.9 500 74 8400  
OFW630VSD 89.0-102.9 630 74 9125  
OFW750VSD 101.8-122.8 750 74 9225  

Company Profile

       ZheJiang Napu compressor Technology Co.,LTD was established in 2012  based in ZheJiang ,specializing in oil-free rotary screw air compressors, offering a wide range of products from airends to compressors . 
       With over 10 years experience in oil free screw air compressor. NAPU Compressor is compliant with ISO 8573-1, Class 0 standard and audited by TUV Rheinland and China National Quality Inspection Center of Compressor and Refrigerator.   
        The company is also compliant with ISO 9001:14001 and is CZPT in the domestic market for its quality-driven culture. The oil-free compressors manufactured by the company are used in a variety of sectors including some of our valued clients like CASC-China Aerospace Science Corporation, NORINCO-China North Industries Group, CNNC-China National Nuclear Group, CHANG AN AUTO, SINOPHARM, BYD and CALT and Sino-Chemical etc.
         Continuous improvement in productivity and efficiency is our goal, and we continue to offer an extensive services including our own branded oil-free compressor package as well as after-sales services for other leading brands.

 

Product Features

1. In house designed airend
2. 100% oil free air certified by Germany TUV.
3. Double-layer structure to reduce he noise.
4. Air Cooling and Water cooling are available.
5. VSD control are available.
6.Touch Screen PLC with preset running schedule, more intelligent control.
7.OEM&ODM service are accepted

 

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of oil free air compressors. More than 20 years of experience in air compressor manufacturing.
 
Q2. What’s payment term ?
A: T/T, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
 
Q3. How about your after-sales service ?
A: 1.We can provide customers with installation and commissioning online instructions.
   
Q4. How about your warranty?
A: One year for the whole machine and 5 years for screw air end, except consumable spare parts.
 
Q5. Do you have any certificate ?
A: Yes, we can offer CE ,ISO  and certificate as clients’ demande.
 
 
Q6. How do you control quality ?
A: 1. The raw materials are strictly inspected
    2. Each compressor must pass at least 8 hours of continuous testing before leaving the factory.
  
Q7.How long could your air compressor be used?
A: Usually, more than over 10 years.

After-sales Service: Online Support
Warranty: 12 Months
Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Customization:
Available

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air-compressor

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 two 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.
air-compressor

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.
air-compressor

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 forty percent and eighty 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.

China Standard 250kw Variable Speed Drive High Efficiency Silent Industrial Screw Rotary Oil Free Dry Two Stage Air Compressor   air compressor for saleChina Standard 250kw Variable Speed Drive High Efficiency Silent Industrial Screw Rotary Oil Free Dry Two Stage Air Compressor   air compressor for sale
editor by CX 2023-05-17

China Factory Sale 8 Bar 55kw 75HP Dry Oil Free Permanent Magnetic Variable Speed Screw Rotary Oilless Air-Compressor wholesaler

Merchandise Description


Merchandise Description

 

one.Market-leading air stop, imported brand, quality assurance.

two. IE3 motor, help save your electric power value, IP54, B-stage temperature increase is ideal for severe environments this kind of as big dust and large temperature

three.Several sound reduction style, calculated in accordance to sounds principle, with special flame retardant muffler cotton inside of, to decrease the sounds of the unit and supply a quieter environment for use.

4.Unbiased air inlet, minimize consumption resistance, multi-operate intake valve group, commence without load, motor load is small. Use higher-efficiency filters to effectively filter particulates in the air

five.Centrifugal fan with plate-fin cooler has substantial wind strain, low sounds, exterior independent suction, exhaust air upward through a specially created air duct to avoid sizzling air from returning cooler modular design and style, vertical installation, effectively remove thermal pressure , A lot more secure operation and extended services existence

six.Optimized shock absorption pad to lessen vibration and sounds


Packaging & Transport

1.Packing Particulars: Plywood crate pallet in addition foam board and bubble film, Entire closed wooden situation. 1pcs/every single package deal
(for stationary screw air compressor)
two.Shipping and delivery method: by sea, by LCL/FCL or as asked for
3.Supply method: FOB, CFR, CIF and EXW and many others.
4.Delivery time: in 7-15 times following getting deposit (custom-made equipment not incorporated)

FAQ

Q1. Are you buying and selling business or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou,ZheJiang ,China. Far more than 18 years of knowledge in air compressor manufacturing.

Q2. How long is the shipping and delivery time ?
A: For standard voltage ,15 doing work days. Non-common ,remember to get in touch with our sales.

Q3. What is actually payment expression ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and and so on. Also we could acknowledge USD, RMB, Euro and other forex.

This fall. How about your right after-product sales support ?
A: 1.Offer buyers with installation and commissioning on-line recommendations.
     2. Properly-qualified engineers obtainable to overseas provider.
     3.Worldwide agents and right after services avaiable.arrange our engineers to support you coaching and set up.

Q5. How about your guarantee?
A: One calendar year for the entire device and 2 many years for screw air finish, apart from consumable spare elements.

Q6. Do you have any certification ?
A: Sure, for every different customer’s market place need ,we can provide CE ,ISO and many others certificate.

Q7. What about the routine maintenance ?
A: Very first maintenance require to be accomplished soon after 500Hours, and then every 2000-3000 several hours to do the normal servicing, and contemplate the genuine environment.

Q8. How do you management top quality ?
A: 1. The uncooked resources are strictly inspected
     2. Some key elements are imported from abroad
     3. Each and every compressor need to pass at minimum 5 hrs of constant testing prior to leaving the manufacturing facility.

Q9. Do you offer OEM support ?
A: Sure.Both OEM & ODM services can be accepted.

Q10.How extended could your air compressor be used?
A: Typically, much more than 10 many years.

 

After-sales Service: Online Support
Warranty: 24month
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Angular

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Customization:
After-sales Service: Online Support
Warranty: 24month
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Angular

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Customization:

Types of Air Compressors

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

Air Compressors

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

Single-stage models

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

Low-noise models

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

Oil-free models

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

China Factory Sale 8 Bar 55kw 75HP Dry Oil Free Permanent Magnetic Variable Speed Screw Rotary Oilless Air-Compressor     wholesaler China Factory Sale 8 Bar 55kw 75HP Dry Oil Free Permanent Magnetic Variable Speed Screw Rotary Oilless Air-Compressor     wholesaler
editor by czh 2023-01-06

China Industrial Variable Frequency Drive VSD/VFD Inverter Dry Electric Direct Driven (no oil ) Oil-Free Silent Oxygen Screw Air Compressor for medical with high quality

Solution Description

Industrial Silent/Mute Health-related Dry Oil Cost-free Oilless Direct Travel Rotary Double Screw Type Air Compressor Positive aspects

1.Clean air 1, China
Our manufacturing unit is located in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai City, HangZhou, ZHangZhoug Province, China

Q3: Guarantee terms of your machine? 
A3: Two several years warranty for the machine and technological help according to your requirements.

Q4: Will you give some spare components of the machines? 
A4: Yes, of program.

Q5: How lengthy will you consider to organize manufacturing? 
A5: 380V 50HZ we can shipping the items within ten times. Other electric power or other colour we will shipping inside 22 times

Q6: Can you settle for OEM orders? 
A6: Yes, with skilled design group, OEM orders are highly welcome

US $3,000-30,000
/ Piece
|
1 Piece

(Min. Order)

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Shipping Cost:

Estimated freight per unit.



To be negotiated

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Lubrication Style: Oil-free
Cooling System: Air Cooling and Water Cooling
Power Source: AC Power

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Customization:

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Model Maximum working pressure Capacity(FAD)* Installed motor power Cooling
Method
Noise Level** Dimensions (mm) Weight Air Outlet
Pipe Diameter
50 Hz 60 Hz
bar(g) psig m³/min cfm m³/min cfm kW hp dB(A) L W H kG
DWW-45 7 102 7.07 250 7.16 253 45 60 Air
Cooling
W-water
Cooling
80 2100 1500 1790 2630 R1-1/2"
8 116 7.03 248 6.48 229 45 60 80 2100 1500 1790 2630 R1-1/2"
10 145 5.51 194 5.37 189 45 60 80 2100 1500 1790 2630 R1-1/2"
DWW-55 7 102 9.37 331 8.87 313 45 75 80 2100 1500 1790 2650 R1-1/2"
8 116 9.34 330 8.25 291 55 75 80 2100 1500 1790 2650 R1-1/2"
10 145 8.11 286 7.1 251 55 75 80 2100 1500 1790 2650 R1-1/2"
DWW-75 7 102 12.72 449 12.6 445 75 100 82 2300 1600 1790 2850 DN50
8 116 12.69 448 11.69 413 75 100 82 2300 1600 1790 2850 DN50
10 145 11.58 409 10.43 368 75 100 82 2300 1600 1790 2850 DN50
DWW-75W 7 102 12.72 449 12.6 445 75 100 82 2300 1600 1790 2850 DN50
8 116 12.69 448 11.69 413 75 100 82 2300 1600 1790 2850 DN50
10 145 11.58 409 10.43 368 75 100 82 2300 1600 1790 2850 DN50
DWW-90 7 102 13.66 482 14.62 516 90 120 82 2300 1600 1790 2850 DN50
8 116 13.64 482 14.6 515 90 120 82 2300 1600 1790 2850 DN50
10 145 12.64 446 12.86 454 90 120 82 2300 1600 1790 2850 DN50
DWW-90W 7 102 13.66 482 14.62 516 90 120 82 2300 1600 1790 2850 DN50
8 116 13.64 482 14.6 515 90 120 82 2300 1600 1790 2850 DN50
10 145 12.64 446 12.86 451 90 120 82 2300 1600 1790 2850 DN50
DWW-110 7 102 19.16 676 17.5 618 110 150 85 2800 1800 1860 3050 DN65
8 116 19.13 675 17.47 617 110 150 85 2800 1800 1860 3050 DN65
10 145 16.72 590 15.41 544 110 150 85 2800 1800 1860 3050 DN65
DWW-110W 7 102 19.16 676 17.5 618 110 150 85 2800 1800 1860 3050 DN65
8 116 19.13 675 17.47 617 110 150 85 2800 1800 1860 3050 DN65
10 145 16.72 590 15.41 544 110 150 85 2800 1800 1860 3050 DN65
DWW-132 7 102 22.63 799 23.29 822 132 175 85 2800 1800 1860 3385 DN65
8 116 22.6 798 23.27 822 132 175 85 2800 1800 1860 3385 DN65
10 145 20.28 716 20.46 723 132 175 85 2800 1800 1860 3385 DN65
DWW-132W 7 102 22.63 799 23.29 822 132 175 85 2800 1800 1860 3385 DN65
8 116 22.6 798 23.27 822 132 175 85 2800 1800 1860 3385 DN65
10 145 20.28 716 20.46 723 132 175 85 2800 1800 1860 3385 DN65
DWW-160 7 102 27.4 967 27.28 963 160 215 85 2800 1800 1860 3385 DN65
8 116 27.38 967 27.26 962 160 215 85 2800 1800 1860 3385 DN65
10 145 23.98 847 26.38 931 160 215 85 2800 1800 1860 3385 DN65
DWW-160W 7 102 27.4 967 27.28 963 160 215 85 2800 1800 1860 3385 DN65
8 116 27.38 967 27.26 962 160 215 85 2800 1800 1860 3385 DN65
10 145 23.98 847 26.38 931 160 215 85 2800 1800 1860 3385 DN65
DWW-185 7 102 30.37 1072 31.2 1102 185 250 85 2800 1800 1860 3685 DN65
8 116 30.34 1071 31.04 1096 185 250 85 2800 1800 1860 3685 DN65
10 145 27.34 965 29.16 1030 185 250 85 2800 1800 1860 3685 DN65
DWW-185W 7 102 30.37 1072 31.2 1102 185 250 85 2800 1800 1860 3685 DN65
8 116 30.34 1071 31.04 1096 185 250 85 2800 1800 1860 3685 DN65
10 145 27.34 965 29.16 1030 185 250 85 2800 1800 1860 3685 DN65
DWW-200W 7 102 34.17 1206 34.82 1229 200 270 88 3100 2150 2200 4500 DN100
8 116 34.14 1205 34.78 1228 200 270 88 3100 2150 2200 4500 DN100
10 145 30.55 1079 28.42 1004 200 270 88 3100 2150 2200 4500 DN100
DWW-220W 7 102 36.71 1296 37.35 1319 220 300 88 3100 2150 2200 4750 DN100
8 116 36.66 1295 37.3 1317 220 300 88 3100 2150 2200 4750 DN100
10 145 34.03 1202 31.3 1105 220 300 88 3100 2150 2200 4750 DN100
DWW-250W 7 102 43.71 1543 44.27 1563 250 350 90 3100 2150 2200 4950 DN100
8 116 43.66 1542 44.24 1562 250 350 90 3100 2150 2200 4950 DN100
10 145 39.16 1383 37.2 1314 250 350 90 3100 2150 2200 4950 DN100
DWW-280W 7 102 47.65 1683 47.25 1668 280 375 92 3400 2400 2200 5100 DN100
8 116 47.61 1681 47.21 1667 280 375 92 3400 2400 2200 5100 DN100
10 145 43.58 1539 41.23 1456 280 375 92 3400 2400 2200 5100 DN100
DWW-315W 7 102 52.44 1852 52.3 1847 315 425 92 3400 2400 2200 5150 DN100
8 116 52.4 1850 52.27 1846 315 425 92 3400 2400 2200 5150 DN100
10 145 47.53 1678 46.6 1645 315 425 92 3400 2400 2200 5150 DN100
DWW-355W 7 102 70.38 2485 71.97 2541 355 475 92 3800 2350 2400 6800 DN125
8 116 69.56 2456 59.6 2104 355 475 92 3800 2350 2400 6800 DN125
10 145 58.66 2071 58.65 2070 355 475 92 3800 2350 2400 6800 DN125
DWW-400W 7 102 80.75 2851 77.36 2731 400 535 92 3800 2350 2400 7200 DN125
8 116 71.55 2526 71.75 2533 400 535 92 3800 2350 2400 7200 DN125
10 145 69.43 2451 62.87 2219 400 535 92 3800 2350 2400 7200 DN125
*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C
**) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A)
***) N/A-Not Available
****) W-Water cooling

###

Model Maximum working pressure Capacity(FAD)* Installed motor power Cooling
Method
Noise Level** Dimensions (mm) Weight Air Outlet Pipe Diameter
50 Hz 60 Hz
bar(g) psig m³/min cfm m³/min cfm kW hp dB(A) L W H kG
DWL-55-2 2.5 37 15.33 541 14.44 510 55 75 Air
Cooling
W-water Cooling
69 2400 1800 1700 2500 DN80
DWL-55-3 3.5 51 12.78 451 10.85 383 55 75 69 2400 1800 1700 2500 DN80
DWL-75-2 2.5 37 19.92 703 20.35 719 75 100 69 2400 1800 1700 2650 DN80
DWL-75-3 3.5 51 16.3 575 15.87 560 75 100 69 2400 1800 1700 2650 DN80
DWL-90-2 2.5 37 26.07 921 26.45 934 90 120 72 2400 1800 1700 2750 DN80
DWL-90-3 3.5 51 19.54 690 19.49 688 90 120 72 2400 1800 1700 2750 DN80
DWL-110(W)-2 2.5 37 33.16 1171 29.9 1056 110 150 72 3000 2000 2000 3500 DN125
DWL-110(W)-3 3.5 51 25.6 904 23.92 845 110 150 72 2400 1800 1700 3000 DN80
DWL-132(W)-2 2.5 37 40.24 1421 40.98 1447 132 175 72 3000 2000 2000 3600 DN125
DWL-132(W)-3 3.5 51 27.23 961 29.43 1039 132 175 72 2400 1800 1700 3100 DN80
DWL-160(W)-2 2.5 37 49.42 1745 49.21 1738 160 215 76 3000 2000 2000 3900 DN125
DWL-160(W)-3 3.5 51 35.75 1262 34.98 1235 160 215 76 3000 2000 2000 3800 DN125
DWL-185(W)-2 2.5 37 56.02 1989 57.17 2019 185 250 79 3000 2000 2000 4100 DN125
DWL-185(W)-3 3.5 51 42.21 1490 44.16 1559 185 250 79 3000 2000 2000 4000 DN125
*) FAD in accordance with ISO 1217:2009, Annex C: Ansolute intake pressure 1 bar (a), cooling and air intake temperature 20ºC
**) Nosie level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance:±3 dB(A)
Specifications are subject to change without prior notice
US $3,000-30,000
/ Piece
|
1 Piece

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Lubrication Style: Oil-free
Cooling System: Air Cooling and Water Cooling
Power Source: AC Power

###

Customization:

###

Model Maximum working pressure Capacity(FAD)* Installed motor power Cooling
Method
Noise Level** Dimensions (mm) Weight Air Outlet
Pipe Diameter
50 Hz 60 Hz
bar(g) psig m³/min cfm m³/min cfm kW hp dB(A) L W H kG
DWW-45 7 102 7.07 250 7.16 253 45 60 Air
Cooling
W-water
Cooling
80 2100 1500 1790 2630 R1-1/2"
8 116 7.03 248 6.48 229 45 60 80 2100 1500 1790 2630 R1-1/2"
10 145 5.51 194 5.37 189 45 60 80 2100 1500 1790 2630 R1-1/2"
DWW-55 7 102 9.37 331 8.87 313 45 75 80 2100 1500 1790 2650 R1-1/2"
8 116 9.34 330 8.25 291 55 75 80 2100 1500 1790 2650 R1-1/2"
10 145 8.11 286 7.1 251 55 75 80 2100 1500 1790 2650 R1-1/2"
DWW-75 7 102 12.72 449 12.6 445 75 100 82 2300 1600 1790 2850 DN50
8 116 12.69 448 11.69 413 75 100 82 2300 1600 1790 2850 DN50
10 145 11.58 409 10.43 368 75 100 82 2300 1600 1790 2850 DN50
DWW-75W 7 102 12.72 449 12.6 445 75 100 82 2300 1600 1790 2850 DN50
8 116 12.69 448 11.69 413 75 100 82 2300 1600 1790 2850 DN50
10 145 11.58 409 10.43 368 75 100 82 2300 1600 1790 2850 DN50
DWW-90 7 102 13.66 482 14.62 516 90 120 82 2300 1600 1790 2850 DN50
8 116 13.64 482 14.6 515 90 120 82 2300 1600 1790 2850 DN50
10 145 12.64 446 12.86 454 90 120 82 2300 1600 1790 2850 DN50
DWW-90W 7 102 13.66 482 14.62 516 90 120 82 2300 1600 1790 2850 DN50
8 116 13.64 482 14.6 515 90 120 82 2300 1600 1790 2850 DN50
10 145 12.64 446 12.86 451 90 120 82 2300 1600 1790 2850 DN50
DWW-110 7 102 19.16 676 17.5 618 110 150 85 2800 1800 1860 3050 DN65
8 116 19.13 675 17.47 617 110 150 85 2800 1800 1860 3050 DN65
10 145 16.72 590 15.41 544 110 150 85 2800 1800 1860 3050 DN65
DWW-110W 7 102 19.16 676 17.5 618 110 150 85 2800 1800 1860 3050 DN65
8 116 19.13 675 17.47 617 110 150 85 2800 1800 1860 3050 DN65
10 145 16.72 590 15.41 544 110 150 85 2800 1800 1860 3050 DN65
DWW-132 7 102 22.63 799 23.29 822 132 175 85 2800 1800 1860 3385 DN65
8 116 22.6 798 23.27 822 132 175 85 2800 1800 1860 3385 DN65
10 145 20.28 716 20.46 723 132 175 85 2800 1800 1860 3385 DN65
DWW-132W 7 102 22.63 799 23.29 822 132 175 85 2800 1800 1860 3385 DN65
8 116 22.6 798 23.27 822 132 175 85 2800 1800 1860 3385 DN65
10 145 20.28 716 20.46 723 132 175 85 2800 1800 1860 3385 DN65
DWW-160 7 102 27.4 967 27.28 963 160 215 85 2800 1800 1860 3385 DN65
8 116 27.38 967 27.26 962 160 215 85 2800 1800 1860 3385 DN65
10 145 23.98 847 26.38 931 160 215 85 2800 1800 1860 3385 DN65
DWW-160W 7 102 27.4 967 27.28 963 160 215 85 2800 1800 1860 3385 DN65
8 116 27.38 967 27.26 962 160 215 85 2800 1800 1860 3385 DN65
10 145 23.98 847 26.38 931 160 215 85 2800 1800 1860 3385 DN65
DWW-185 7 102 30.37 1072 31.2 1102 185 250 85 2800 1800 1860 3685 DN65
8 116 30.34 1071 31.04 1096 185 250 85 2800 1800 1860 3685 DN65
10 145 27.34 965 29.16 1030 185 250 85 2800 1800 1860 3685 DN65
DWW-185W 7 102 30.37 1072 31.2 1102 185 250 85 2800 1800 1860 3685 DN65
8 116 30.34 1071 31.04 1096 185 250 85 2800 1800 1860 3685 DN65
10 145 27.34 965 29.16 1030 185 250 85 2800 1800 1860 3685 DN65
DWW-200W 7 102 34.17 1206 34.82 1229 200 270 88 3100 2150 2200 4500 DN100
8 116 34.14 1205 34.78 1228 200 270 88 3100 2150 2200 4500 DN100
10 145 30.55 1079 28.42 1004 200 270 88 3100 2150 2200 4500 DN100
DWW-220W 7 102 36.71 1296 37.35 1319 220 300 88 3100 2150 2200 4750 DN100
8 116 36.66 1295 37.3 1317 220 300 88 3100 2150 2200 4750 DN100
10 145 34.03 1202 31.3 1105 220 300 88 3100 2150 2200 4750 DN100
DWW-250W 7 102 43.71 1543 44.27 1563 250 350 90 3100 2150 2200 4950 DN100
8 116 43.66 1542 44.24 1562 250 350 90 3100 2150 2200 4950 DN100
10 145 39.16 1383 37.2 1314 250 350 90 3100 2150 2200 4950 DN100
DWW-280W 7 102 47.65 1683 47.25 1668 280 375 92 3400 2400 2200 5100 DN100
8 116 47.61 1681 47.21 1667 280 375 92 3400 2400 2200 5100 DN100
10 145 43.58 1539 41.23 1456 280 375 92 3400 2400 2200 5100 DN100
DWW-315W 7 102 52.44 1852 52.3 1847 315 425 92 3400 2400 2200 5150 DN100
8 116 52.4 1850 52.27 1846 315 425 92 3400 2400 2200 5150 DN100
10 145 47.53 1678 46.6 1645 315 425 92 3400 2400 2200 5150 DN100
DWW-355W 7 102 70.38 2485 71.97 2541 355 475 92 3800 2350 2400 6800 DN125
8 116 69.56 2456 59.6 2104 355 475 92 3800 2350 2400 6800 DN125
10 145 58.66 2071 58.65 2070 355 475 92 3800 2350 2400 6800 DN125
DWW-400W 7 102 80.75 2851 77.36 2731 400 535 92 3800 2350 2400 7200 DN125
8 116 71.55 2526 71.75 2533 400 535 92 3800 2350 2400 7200 DN125
10 145 69.43 2451 62.87 2219 400 535 92 3800 2350 2400 7200 DN125
*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C
**) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A)
***) N/A-Not Available
****) W-Water cooling

###

Model Maximum working pressure Capacity(FAD)* Installed motor power Cooling
Method
Noise Level** Dimensions (mm) Weight Air Outlet Pipe Diameter
50 Hz 60 Hz
bar(g) psig m³/min cfm m³/min cfm kW hp dB(A) L W H kG
DWL-55-2 2.5 37 15.33 541 14.44 510 55 75 Air
Cooling
W-water Cooling
69 2400 1800 1700 2500 DN80
DWL-55-3 3.5 51 12.78 451 10.85 383 55 75 69 2400 1800 1700 2500 DN80
DWL-75-2 2.5 37 19.92 703 20.35 719 75 100 69 2400 1800 1700 2650 DN80
DWL-75-3 3.5 51 16.3 575 15.87 560 75 100 69 2400 1800 1700 2650 DN80
DWL-90-2 2.5 37 26.07 921 26.45 934 90 120 72 2400 1800 1700 2750 DN80
DWL-90-3 3.5 51 19.54 690 19.49 688 90 120 72 2400 1800 1700 2750 DN80
DWL-110(W)-2 2.5 37 33.16 1171 29.9 1056 110 150 72 3000 2000 2000 3500 DN125
DWL-110(W)-3 3.5 51 25.6 904 23.92 845 110 150 72 2400 1800 1700 3000 DN80
DWL-132(W)-2 2.5 37 40.24 1421 40.98 1447 132 175 72 3000 2000 2000 3600 DN125
DWL-132(W)-3 3.5 51 27.23 961 29.43 1039 132 175 72 2400 1800 1700 3100 DN80
DWL-160(W)-2 2.5 37 49.42 1745 49.21 1738 160 215 76 3000 2000 2000 3900 DN125
DWL-160(W)-3 3.5 51 35.75 1262 34.98 1235 160 215 76 3000 2000 2000 3800 DN125
DWL-185(W)-2 2.5 37 56.02 1989 57.17 2019 185 250 79 3000 2000 2000 4100 DN125
DWL-185(W)-3 3.5 51 42.21 1490 44.16 1559 185 250 79 3000 2000 2000 4000 DN125
*) FAD in accordance with ISO 1217:2009, Annex C: Ansolute intake pressure 1 bar (a), cooling and air intake temperature 20ºC
**) Nosie level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance:±3 dB(A)
Specifications are subject to change without prior notice

Choosing the Right Air Compressor For Your Home

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

Positive displacement

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

Oil-free

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

Single-stage

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

CFM

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

PSI

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

Power source

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

China Industrial Variable Frequency Drive VSD/VFD Inverter Dry Electric Direct Driven (no oil ) Oil-Free Silent Oxygen Screw Air Compressor for medical     with high qualityChina Industrial Variable Frequency Drive VSD/VFD Inverter Dry Electric Direct Driven (no oil ) Oil-Free Silent Oxygen Screw Air Compressor for medical     with high quality
editor by czh 2022-11-26