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China wholesaler Oil Free Water Lubricated Energy Efficient Oilless Low Noise Screw Oil-Free Air Compressor with Good quality

Product Description


Product name

Oil Free Water Lubricated Screw Air Compressor



Cooling Method

Air Cooling


8/1013 bar


5.5-250 kw


0.3~33.97 m3/min


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




1.Clean air 100% oil-free
2.Use water instead of oil, higher cooling efficiency and compression efficiency
3.Optimal isothermal compression
4.Powerful MAM microcomputer controller and touch screen
5.Reasonable Structure, with perfect balancing
6.Components made of anti-rust and anti-corrosion materials ensure the durability
7.Significant energy saving, environmental-friendly and pollution-free
8.Designed especially for medical, pharmacy, instrument, coating, chemical industry and food processing, etc.

Model Pressure
Water Inlet Diameter Lubricating Water
Air Outlet
WLS-0.8/5.5 0.8 0.3-0.78 5.5 57 3/4″ 10 3/4″
WLS-1.0/5.5 1.0  0.2-0.65
WLS-0.8/7.5 0.8 0.35-0.17 7.5 57 3/4″ 10 3/4″
WLS-1.0/7.5 1.0  0.3-1.05
WLS-1.25/7.5 1.25 0.24-0.81
WLS-0.8/11 0.8  0.54-1.72 11 60 1″ 26 3/4″
WLS-1.0/11 1 0.45-1.42
WLS-1.25/11 1.3  0.35-1.10
WLS-0.8/15 0.8 0.75-2.43 15 60 1″ 26 1″
WLS-1.0/15 1.0  0.65-2.17
WLS-1.25/15 1.25 0.6-1.80
WLS-0.8/18.5 0.8  0.9-3.31 18.5 63 1″ 30 1″
WLS-1.0/18.5 1 0.9-2.82
WLS-1.25/18.5 1.3  0.6-2.05
WLS-0.8/22 0.8 1.1-3.7 22 63 1″ 30 1″
WLS-1.0/22 1.0  0.97-3.21
WLS-1.25/22 1.25 0.85-2.87
WLS-0.8/30 0.8  1.55-5.2 30 63 1 1/2″ 40 1 1/2″
WLS-1.0/30 1 1.255-4.43
WLS-1.25/30 1.3  1.1-3.63
WLS-0.8/37 0.8 1.91-6.50 37 66 1 1/2″ 40 1 1/2″
WLS-1.0/37 1.0  1.6-5.53
WLS-1.25/37 1.25 1.42-4.47
WLS-0.8/45 0.8  2.5-8.3 45 66 1 1/2″ 90 2″
WLS-1.0/45 1 1.91-6.3
WLS-1.25/45 1.3  1.7-5.56
WLS-0.8/55 0.8 3.0-10.3 55 69 1 1/2″ 100 2″
WLS-1.0/55 1.0  2.6-8.55
WLS-1.25/55 1.25 2.3-7.67
WLS-0.8/75 0.8  3.95-13 75 72 1 1/2″ 100 2″
WLS-1.0/75 1 3.4-11.5
WLS-1.25/75 1.3  3.0-9.7
WLS-0.8/90 0.8 5.0-16.6 90 73 1 1/2″ 120 2 1/2″
WLS-1.0/90 1.0  4.3-14.66
WLS-1.25/90 1.25 3.72-12.6
WLS-0.8/110 0.8  6.0-20.2 110 77 2″ 120 2 1/2″
WLS-1.0/110 1 5.0-16.66
WLS-1.25/110 1.3  4.65-15.56
WLS-0.8/132 0.8 6.75-22.52 132 77 2″ 120 2 1/2″
WLS-1.0/132 1.0  6.0-19.97
WLS-1.25/132 1.25 5.07-16.90
WLS-0.8/160 0.8  8.5-28.11 160 79 3″ 160 3″
WLS-1.0/160 1 7.6-25.45
WLS-1.25/160 1.3  6.7-22.52
WLS-0.8/185 0.8 10-33.97 185 79 3″ 160 3″
WLS-1.0/185 1.0  8.72-29
WLS-1.25/185 1.25 7.75-25.21
WLS-0.8/200 0.8  11.2-36.75 200 80 4″ 200 4″
WLS-1.0/200 1 9.68-32.78
WLS-1.25/200 1.3  9.2-29.24
WLS-0.8/250 0.8 13.5-45 250 80 4″ 200 4″
WLS-1.25/250 1.3  10.2-33.97

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

Q: Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery.

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

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

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

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

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

After-sales Service: Online Support
Warranty: Unit 1 Year, Air End 2 Years
Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Structure Type: Closed Type



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 three 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 two 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 one 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 two 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 two 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 one 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 one is right for you? We’ve listed a few of them below.
Another benefit of choosing an oil-lubricated air compressor is the reduced cost of maintenance. This type is more durable than its oil-lubricated counterparts, which require regular oil changes to keep them running smoothly. However, it is not feasible to transport an oil-lubricated compressor, which means that you must install it permanently to keep it working efficiently. In addition, these air compressors are difficult to move and are not portable, which can limit your ability to use it in a pinch.

China wholesaler Oil Free Water Lubricated Energy Efficient Oilless Low Noise Screw Oil-Free Air Compressor   with Good qualityChina wholesaler Oil Free Water Lubricated Energy Efficient Oilless Low Noise Screw Oil-Free Air Compressor   with Good quality
editor by CX 2023-04-23

China wholesaler Factory Price Lubricated Water CZPT Air Mining Industrial Jack Hammer Screw Compressor 10m3 10bar 375cfm From China with Best Sales

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Firm Info


Sorts of Air Compressors

There are many sorts of Air Compressors offered on the industry. Find out which one particular is right for your needs and what makes one greater than one more. Find out far more about Solitary-stage designs, Oil-free models, and Reduced-sounds types. This article will make clear these varieties and aid you choose which one particular you require. You can also learn about Air Compressors that have solitary-phase compressors. If you are hunting for a higher-quality compressor, this article will help you choose a device.

Air Compressors

Air compressors function by forcing atmospheric air by means of 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. A single of the most widespread kinds of air compressor is the reciprocating kind. Yet another kind of compressor is a solitary-stage piston. These kinds of compressors compress air in one particular stroke – equivalent to the total rotation of the piston’s crankshaft.
These products alter electrical or mechanical vitality into pressurized air. When air is compressed, its quantity decreases, escalating its pressure. Air compressors typically have a minimal pressure of thirty bars. The reduce pressure band is the range of air pressure. Most compressors are managed independently, but community controls can be utilized to interconnect a number of compressors. This kind of controller will not function for all sorts of compressors. There are other kinds of air compressors that can communicate with each other.
Compressed air has several programs in all kinds of industries. In agriculture, it can electricity pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also utilised in the pharmaceutical sector for mixing tanks, packaging, and conveyor techniques. Portable air compressors, which can be run by diesel fuel, are frequently used at distant drilling sites. Moveable air compressors are also commonly utilised in oil and fuel. They can be utilised to remotely control valves and put in reactor rods.
Whether or not you use an air compressor for agricultural needs or in a producing location, there are some functions to consider when picking an air compressor for your requirements. A very good compressor will have a protection system. It will instantly shut off the input air and output air once adequate compressing has been achieved. These functions will support your air compressor continue to be productive and protect your products. The protection device is an important characteristic of any air compressor to enhance its general performance.
Vane air compressors are the most widespread kind. They are generally scaled-down and significantly less strong than reciprocating piston compressors, so you can use 1 of these for applications that are beneath a hundred horsepower. The vane air compressors have lower compression ratios and substantial capacities, but they are normally restricted to low-energy purposes. Vane compressors have a tendency to run very hot, and they usually have a lower compression ratio. It is important to choose the appropriate oil viscosity for your compressor.

Single-phase types

When evaluating single-phase air compressors, look for the term “levels.” Multi-stage compressors use two levels and can deal with a lot more capability and force. One stage includes pressurizing air making use of a piston and a reduced-stress cylinder. This compressed air is then moved to a storage tank. Single-phase designs are inclined to be much more strength-successful than their two-phase counterparts. But if you don’t require a substantial-force cylinder, a solitary-stage air compressor can be the greatest choice.
Even though one-stage air compressors produce considerably less electricity, they can make adequate air to electricity pneumatic equipment and other pneumatic equipment. These solitary-stage models are most useful for smaller-scale residence initiatives and Do-it-yourself tasks. For far more industrial reasons, a twin-phase design is the very best choice. But if you are in a hurry, a solitary-stage unit may possibly be enough. Eventually, it is dependent on what you prepare to do with the air compressor.
Solitary-stage air compressors characteristic a one cylinder, 1 piston stroke for every revolution of pressurized air. Solitary-stage compressors are normally scaled-down and a lot more compact, making them a excellent selection for more compact perform environments. Their cfm ability (cubic feet per moment) is an crucial indicator of working ability. If you prepare to use numerous pneumatic equipment, you will almost certainly need a higher cfm model. Likewise, the horsepower of single-phase compressors implies its functioning capacity. One horsepower moves 550 lbs . per foot for each minute.
Multi-stage air compressors are usually a lot more pricey and more strength-efficient than solitary-stage units, but they can offer increased air circulation costs. Although they might be much more complex, they can decrease standard functioning expenditures. If you program on employing your air compressor for industrial or business use, a twin-phase design might be the greatest selection. Nevertheless, if you happen to be organizing to use the air compressor for mass production, a solitary-phase product may possibly be the very best decision.
One-phase air compressors have the same piston dimensions and amount of inlets, even though dual-stage models have a more compact initial piston and a significantly lengthier second piston. The two have a cooling tube in among the two pistons to minimize the air temperature ahead of the 2nd spherical of compression. The solitary-stage design is usually small and moveable, whilst the double-phase air compressor is stationary. These compressors can equally be stationary and huge.

Minimal-sounds types

Even with its name, lower-sounds designs of air compressors are not all the very same. The noise level of a compressor can be affected by several variables, like the electrical power resource and proximity to the device. Reciprocal compressors are typically louder than electrical kinds due to the fact of their numerous transferring components. By contrast, rotary-screw and scroll compressors have much less shifting elements and are quieter.
The sounds level of a gas-driven air compressor can be really higher, producing it unsuitable for use indoors. To fight this issue, you can decide on an electric design. The sounds amount of a compressor is largely caused by motor friction. The protect of a piston is also a major aspect in noise, as pistons with nominal addresses will make a good deal of noise. Earlier, oil was needed for a quiet compressor. However, this has transformed thanks to the medical industry’s need for oil-free of charge types.
The Nuair EC28M Tranquil Air Compressor is one more design that functions peaceful operation. This air compressor tends to make 59dB of sounds. This stage is reduced ample to let you to carry on standard conversations whilst it cycles. In addition, this compressor has an industrial oil-cost-free pump and a 2.8 Amp immediate-travel induction motor. These two characteristics make it a fantastic option for companies.
Reduced-sounds types of air compressors are available for the design industry. Even so, these compressors are not always lower-high quality, which is why you must contemplate the sound degree of your air instrument prior to getting 1. The specialists at Mid-Tech can advise the reduced-sounds types for your particular software and place. Sounds can distract individuals who perform around the air compressor. That is why several companies now decide for these versions.

Oil-totally free models

A amount of oil-cost-free versions of air compressors are offered, but what can make them unique? Oil-totally free compressors do not incorporate oil, so they’re lubricated by grease as an alternative. They’re a very good selection if you’re working with a little compressor and do not want to risk harmful it. On the other hand, oil-cost-free versions do make substantial quantities of warmth, which can injury the compressor. Increased stress can grind the compressor against itself, or even warp it.
A few words of expertise can support you pick the best oil-free of charge air compressor for your requirements. For illustration, a compressor’s horsepower is a measurement of how potent the motor is. Greater horsepower means a increased PSI or ACFM. You can also use the ACFM to compare the two. Scroll technologies is a present day air compression program that employs a stationary and cell spiral. This minimizes the volume of air in the compressor by directing it to the middle.
Purchasing an oil-free air compressor isn’t going to have to be a daunting activity, although. A good distributor can suggest you on what variety of oil-cost-free air compressor is proper for you. This way, you can help save funds and enjoy peace of head whilst using your air compressor. And, of system, the ideal way to get a fantastic offer on an air compressor is to communicate to a distributor who is knowledgeable about the goods obtainable.
An oil-cost-free air compressor is a great alternative for companies that are delicate to the contamination of air. For illustration, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage generation tools. Oil-cost-free air compressors usually have reduce servicing expenses than oil-flooded versions since there are fewer transferring elements. Simply because of this, oilless air compressors demand fewer routine maintenance and may still require to be replaced sometimes.
A handful of positive aspects of an oil-free air compressor more than an oil-lubricated 1 incorporate reduced noise stages. Oil-free of charge air compressors are inclined to be considerably less noisy and run more quietly than oil-injected ones, but you ought to still meticulously weigh the pros and negatives just before producing a selection. Also, consider how a lot you use your air compressor just before selecting a model. The pros outweigh the cons. In the stop, you’ll be glad you selected an oil-totally free air compressor.

China wholesaler Factory Price Lubricated Water CZPT Air Mining Industrial Jack Hammer Screw Compressor 10m3 10bar 375cfm From China     with Best SalesChina wholesaler Factory Price Lubricated Water CZPT Air Mining Industrial Jack Hammer Screw Compressor 10m3 10bar 375cfm From China     with Best Sales