China Hot selling 22 Kw 30HP Single Screw Type Oilless Rotary Screw Air Compressors with Ghh/Rotorcomp Air End with Hot selling

Product Description

Product: DCW-30kW
Sort: totally oil totally free drinking water lubrication screw air compressor
Screw sort: Solitary screw
Free air supply: 3-3.7m3/min
Operating force: 7 bar .7Mpa
Max pressure: ten bar 1. Mpa
Management: PLC
Driven: immediate
Cooling: by drinking water
Electrical motor: 30hp 22KW  380v/fiftyhz/3ph,also can make 220v/60hz,380v/60hz,440v/60hz,600v/60hz,415v/50hz and twin voltage and so forth.
Discharge temperature: significantly less than ambient +8 ºC
Sounds: much less than 68 dB(A)
Air outlet size: G1″
Dimension: 1520*1100*1400mm
Weight: 830kg



1.Oil Free —-Absolutely Oil Totally free:

Oil free water lubrication screw air compressor is a sort of compressor that provides cleanse, air pollution-totally free, a hundred% oil free screw air compressor, its zero emission can defend the setting effectively.

2.Water —- Lubrication, Sealing and Cooling:

Ideal isothermal compression     Substantial efficiency (big air shipping and delivery)

Reduced temperature compression    No require the intercooler and following cooler

Reduced rotation speed             Low sounds, minimal vibration and no need to have the overdrive gear

Reduced viscosity of lubrication water   Effortless to be divided with the air    

3. All stainless steel CZPT : Simple ,non-corrosive,non-polluting,large reliablity

4.Solitary Stage Compression ,Higher Effectiveness ,and Power Saving ,and Simple Servicing: Single phase compression helps make the composition simple.

Compression effectiveness is larger than the 2 stage dry air compressor.

Less consumable elements, effortless to be disassembled, lessen the servicing cost and time significantly.

Q1. Are you investing company or manufacture ?
A: We are professional manufacture of screw air compressor of HangZhou(Near to ZheJiang ), China, much more than 24 many years.

Q2. How lengthy is the delivery time ?
A: For normal voltage ,15 operating times. Non-regular ,please speak to our income.

Q3. What is payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit rating Card, and and many others. Also we could accept USD, RMB, Euro and other currency.

This fall. How about your soon after-income support ?
A: 1.Offer consumers with set up and commissioning on the web recommendations.
  2. Well-qualified engineers accessible to overseas service.
  3.Globally brokers and after services avaiable.set up our engineers to assist you education and set up.

Q5. How about your warranty?
A: One particular yr for the whole device and 2 several years for screw air finish, except consumable spare elements.

Q6. Do you have any certificate ?
A: Of course, per different customer’s market require ,we can offer CE ,ISO etc certification.

Q7. What about the routine maintenance ?
A: Initial upkeep need to be accomplished right after 500Hours, and then every single 2000-3000 several hours to do the standard upkeep, and contemplate the true environment.

Q8. How do you control high quality ?
A: 1.The uncooked materials are strictly inspected
      2. Some important elements are imported from abroad
      3.Each and every compressor should move at minimum 5 hours of ongoing tests before leaving the factory.

Q9. Do you provide OEM provider ?
A: Indeed.Each OEM & ODM support can be recognized.

Q10.How prolonged could your air compressor be utilised?
A: Typically, much more than ten several years.

Choosing the Proper Air Compressor For Your Property

You will locate that air compressors are indispensable resources for a assortment of situations, such as garages, house workshops, and basements. These resources can energy a selection of resources, and each and every product is sized to go well with the occupation at hand. Because air compressors have only a single motor, they are light-weight, compact, and effortless to deal with. Utilizing one particular air compressor to electricity a number of equipment will also lessen the use and tear on individual factors. This report will introduce some critical characteristics to seem for when selecting the correct air compressor for your property.

Constructive displacement

A constructive displacement compressor applies pressure to a fluid, whilst a centrifugal one particular does the reverse. A positive displacement compressor generates the wanted stress by trapping air and growing its volume. Its discharge valve releases the substantial-strain fuel. These compressors are utilized in industrial programs and nuclear power plants. The variation between a optimistic and unfavorable displacement compressor is that a positive displacement compressor can compress and launch air at a constant fee.
A positive displacement air compressor uses a reciprocating piston to compress air. This decreases the quantity of the air in the compression chamber, and a discharge valve opens when the force reaches the preferred degree. These compressors are used in bicycle pumps and other pneumatic equipment. Optimistic displacement air compressors have numerous inlet ports and have a number of configurations. Good displacement air compressors have a one-performing and double-performing piston, and can be oil-lubricated or oil-cost-free.
A positive displacement air compressor is distinct from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Good displacement compressors are widespread in industrial applications and are available in solitary-performing, double-acting, and oil-lubricated designs. Huge piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Scaled-down models have permanently sealed crankcases with bearings.


Oil-free of charge air compressors have some rewards more than their oil-lubricated counterparts. They do not demand lubrication oil simply because they are coated with Teflon. The substance has 1 of the most affordable coefficients of friction and is layered, so it slides earlier other layers with minor work. Simply because of this, oil-cost-free compressors are likely to be less costly and still provide similar functionality. Oil-cost-free compressors are a excellent selection for industrial purposes.
The lifestyle of an oil-cost-free air compressor is substantially for a longer time than an oil-lubricated counterpart. These models can function up to 2,000 several hours, four times longer than the typical oil-lubed compressor. Oil-free compressors also have a substantially reduce operating noise than their oil-lubricated counterparts. And due to the fact they will not need to have oil modifications, they are quieter. Some even very last up to 2,000 hrs.
An oil-free air compressor is a very good choice if your software demands substantial amounts of purity. Numerous purposes call for ultra-pure air, and even a drop of oil can lead to solution spoilage or damage to creation products. In addition to the wellness hazards, an oil-totally free air compressor decreases the expenses connected with oil contamination and minimizes leaks. It also eliminates the require for oil selection, disposal, and remedy.
A standard oil-cost-free air compressor is very productive, demanding only about 18% of the full load horsepower. Even so, oil-free of charge compressors have a larger danger of premature failure and are not advisable for huge-scale industrial apps. They could also use up to 18% of the compressor’s full capacity. They could seem attractive, but you have to make certain you realize the rewards of an oil-free of charge air compressor just before deciding on one particular for your industrial applications.


A one-stage air compressor is created to provide the electrical power for a solitary pneumatic device or gadget. These devices are generally scaled-down than two-stage compressors and create much less heat and energy. These devices aren’t made for hefty-duty industries, but they are still hugely powerful for a selection of programs, including auto outlets, gas stations, and numerous production plants. They can also be employed in borewells, as they are suited for little spaces with lower air stream needs.
A solitary-phase air compressor has 1 cylinder and two valves – the inlet and the shipping valves. Each of these valves function mechanically, with the inlet valve managing torque and the supply one particular managing air strain. Generally, single-stage compressors are powered by a gasoline engine, but there are also electric powered designs obtainable. The solitary-phase air compressor is the most typical variety of air compressor. It has a solitary cylinder, one particular piston, and one particular air cylinder.
The one-phase air compressors are used for little initiatives or personalized use. A two-stage air compressor is more successful for industrial initiatives. Its longer air stop life tends to make it far more successful. It is also more efficient for use in the automotive market, the place the engine has many cylinders. In standard, single-stage compressors need a increased power degree. The single-stage product is ideal for little initiatives, even though a two-stage 1 is suitable for larger-scale arsenals.


The cubic foot-per-minute (CFM) of an air compressor is the output of the equipment. In buy to estimate the CFM amount, commence by looking at the compressor’s specifications. You must know how several cubic feet the unit can hold and how a lot of lbs . per sq. inch it can compress. As soon as you have these details, you can determine the CFM. Now you can use these numbers to select an suitable air compressor for your wants.
The most widespread way to increase the CFM of an air compressor is to change the regulator down. By turning the dial down, the air compressor will produce much more than ten CFM. You can also try connecting two output valves. Make sure that the settings are adjusted correctly ahead of you commence. This will guarantee that your air compressor is working at its maximum efficiency and lifespan. To increase the CFM of your air compressor, 1st check out that your regulator is calibrated for the wanted stress stage.
To estimate the CFM of an air compressor, first figure out the tank quantity of the device. Then, multiply this quantity by the time it requires to fill the tank. Then, divide the consequence by 60 seconds to compute the CFM. As soon as you know how a lot air your device can keep, you can select a suitable air compressor. If you happen to be functioning in a confined location, you should buy a tool with a massive tank.


The PSI of an air compressor is the stress that it can output. A normal air compressor has a gauge related to the airline at the base, next to it, or between the two. The gauge tells the true force of the air compressor, although the lower-out pressure is identified by the company. The manufacturer suggests that you set the reduce-out strain 20 to forty PSI higher than the manufacturing unit suggested stress. If you want to set the pressure for your nail gun, you can use the minimize-in and minimize-out pressures on your compressor, and the tank will not likely exceed this range.
The PSI of an air compressor measures the power that it can produce, which is often in lbs . for every sq. inch. For most air tools, you need to have at least forty to 90 psi. In common, reciprocating air compressors function on an on/off foundation. This relationship is known as the responsibility cycle. All air compressors are rated for a specific responsibility cycle, this sort of as fifty per cent on and 20-5 per cent off.
The Psig of an air compressor is not free of charge, as many men and women feel. The PSI of an air compressor is not free of charge, but it is vital to maintain it for protected operations. If you’re possessing problems sustaining a regular stress, contemplate turning down the PSI of your compressor by 2 psig. This will decide the essential pressure for the equipment. You will also improve the quantity of energy in the technique by 1 percent.

Energy source

The electricity supply for an air compressor is critical in its procedure. With out the appropriate voltage and amperage, air compressors will not function properly. The electricity source must be shut to the compressor so that it can plug into an electrical outlet. If it is also considerably from the outlet, the compressor may not be ready to build enough strain. When this transpires, the fuse inside the air compressor will switch off to protect the person. The power resource ought to be a risk-free length from the compressor.
Most manufacturers do not specify the energy supply for an air compressor. Based on the horsepower, the compressor will demand about four amps of energy. A one particular-horsepower compressor would attract about twelve amps. If it had been driven by a common 120-volt home provide, its motor would exceed the fifteen-amp breaker capacity. A more substantial air compressor, nevertheless, will demand a individual fifteen-amp energy resource, generating it unattainable to use it with this type of electricity supply.
The power supply for an air compressor is generally electrical alternating recent (AC) that is equal to the voltage on a normal wall outlet. A three-period air compressor, on the other hand, requires a particular AC offer with 3 electrical offset pulses. Irrespective of the sort of air compressor, the energy supply should be compatible with the incoming electrical power support. A single of the most common difficulties when making an attempt to join an air compressor to an AC power source is undersized wire. This final results in minimal voltage and higher amperes, tripping of in excess of-load relays and blown fuses.

China Hot selling 22 Kw 30HP Single Screw Type Oilless Rotary Screw Air Compressors with Ghh/Rotorcomp Air End     with Hot sellingChina Hot selling 22 Kw 30HP Single Screw Type Oilless Rotary Screw Air Compressors with Ghh/Rotorcomp Air End     with Hot selling