China OEM 22kw 30HP Professional and Technical Direct Driven Rotorcomp Air End Screw Air Compressor air compressor repair near me

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Product Description

Product description


Air end
1. Germany Rotorcomp air end, German technology, level 1 energy efficiency standard.
2. IP55 protection for fully enclosed motor, eliminating the hidden danger of dust being attracted by the motor’s magnetic steel.
3. No electric excitation start.
4. Using high-grade magnetic steel,180°c temperature resistance. IE3 Energy-efficient Motor.

1.Efficient design, CZPT bearings, ensure the long life of the motor.
2.IP54 protected fully enclosed motor, worry-free in harsh conditions run.
3.Standard phase sequence protection to prevent reversal.

Large Touch Master Controller
1.Matching inverter exclusive customization.
2.LCD Chinese and English switch display.
3.Rich self-diagnostic functions such as fault alarm, maintenance reminder, automatic shutdown, etc.
4.Clock function, can set timing switch.
5.Multiple signal outputs: RS485 port.

1.ABB / CZPT brand vector control frequency conversion system, frequency conversion response speed is faster.
2.Constant pressure output to remove pressure fluctuation and off-load.
3.Constant temperature output at 9~85°C, Low starting current to protect components,15% energy-saving.

Pre-filter Protection
1.Unique pre-filter cover design to keep the inside of the machine clean and extend the maintenance cycle.
2.Easy to disassemble and clean, and can be reused.

Efficient Cooling System
1.Adopting large-size high-efficiency cooler to cope with harsh working conditions.
2.Adopt independent large fan combined with oil cooling system, lower temperature and more stable.

Electrical System
1.Standardized design, safe and reliable.
2.Professional wiring interface,the wiring is reasonable, simple, clear and easy to maintain.,
3.Schneider and CZPT are equipped with a series of high-level components, and their safe use is guaranteed for a long time.

Direct Drive
1.1: 1 direct drive, stable and efficient.
2.Adopts more mature split-type direct drive, which is more reliable and easier to maintain than integrated drive.
3.Imported brand, large size coupling to ensure the long life of the drive system.

For some areas with poor operating conditions such as high temperature and high humidity,large-area plate heat exchangers and high-efficiency air coolers are used.

Exhaust pipe
The exhaust pipe adopts double-layer bellows,and the oil passage adopts special temperature resistance of 125 °C high-pressure hose.

Technical Parameters

Model Volume flow (m3/min) Power(kW) Noise(db) Outlet diameter Dimension(mm) Weight(kg)
6bar 7bar 8bar 10bar 13bar Lenght Width Height
DM-10A / 1.3 1.2 1 / 7.5 63 G3/4 895 590 970 190
DM-20A 2.55 2.4 2.3 2.0 / 15 65 G3/4 1062 690 1000 236
DM-30A 4.5 4.15 3.7 3.2 / 22 68 G1 1330 830 1265 410
DM-40A 6 5.7 5.2 / / 30 68 G1 1330 830 1265 520
DM-50A 7.35 6.9 6.5 5.6 4.9 37 69 G1 1/2 1500 940 1415 655
DM-60A 8.7 8.1 7.5 6.75 5.9 45 70 G1 1/2 1500 940 1415 730
DM-75A 11.2 10.3 9.5 / 7.8 55 70 G2 1600 1060 1470 950
DM-100A 13.6 13 12.8 11 9.5 75 72 G2 2000 1120 1590 1070
DM-125A 17.2 16.7 15.5 14.0 12.5 90 72 G2 2000 1120 1590 1221
DM-150A 21.5 20.8 19.6 17.8 15.5 110 72 DN65 2400 1630 1980 1950
DM-175A 24.6 24.1 23.2 19.5 17 132 72 DN65 2400 1630 1980 2150
DM-220A 30.2 28.8 27.8 23.0 20 160 72 DN80 2800 1828 2150 3620
DM-250A 34.9 33.2 31.2 27.5 25.8 185 72 DN80 2800 1828 2150 3920
Motor Efficiency Class:   Ultraefficient/IE3/IE2 as per your required.
Motor Protection Class:   IP23/IP54/IP55 or as per your required.
Certification:  CE/ISO9001/TUV/UL/SGS/ASME.
Voltage:  380V/3PH/50HZ/60HZ,   220V/3PH/50HZ/60HZ,   400V/3PH/50HZ/60HZ,   440V/3PH/50HZ/60HZ,   415V/3PH/50HZ/60HZ,   230V/3PH/50HZ/60HZ,  dual voltage is also ok.


Project Case

Air compressors belong to the general equipment category and are widely used in steel, electric power, metallurgy, shipbuilding, textiles, electronics, chemicals, petroleum, mining, light industry, machinery manufacturing, paper printing, transportation facilities, food and medicine, casting and spraying, shipping terminals, Military technology, automotive technology, automotive industry, aerospace, infrastructure and other fields.

Customer Feedback

Packaging and Shipping

• Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)

• Shipping method: by sea, by LCL/FCL or as requested

• Delivery method: FOB, CFR, CIF and EXW etc.

• Delivery time: in 7-15 days after receiving deposit (customized machines not included)

Company Profile

Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineers’ teams.We focus on the research & develop, manufacture and energy-saving solutions of screw air compressor to create value for customers and society. 

Dehaha opened to the world since 2015, and now we have a foreign trade department with more than dozens people, serving customers around the world 24 hours. We have sales representatives who can speak English, Spanish, Portuguese, French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with our valued customers are over 130 countries. Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.

Dehaha continuously innovates product development and management to meet customers’ demand. The powerful enterprise culture and continuous innovation make CZPT improved rapidly to reach the business principle “Energy Saving First, Mutual Value Shared”. The production line of CZPT is consist of screw air compressor from 5.5KW to 550KW, oil free air compressor, portable air compressor, permanent magnet variable frequency air compressor, high pressure air compressor and compressed air purification equipment,etc.

Dehaha mission is to be a world-renowned high-end brand, with sustainable development, constantly improving its own value and sharing it with our customers and staff. Committed to offer our customers a silent and energy-saving manufactured products.

Our Service

After-sale Service

• Any questions or requests before, during or after sales, we would like to help you any time and will find you the best solution in 24 hours.
• Warranty: One year for the whole machine Genuine spare parts will be provided with the best price.
• An overboard engineer service is available.

 Overseas Engineer Service
• We are available to send our engineer for aboard service. Only need you to arrange accommodation, transportation, and translator. The extra cost for each will be discussed based on the local price level.

Special Customized Service

(1) Full OEM
• Quantity: at least 5 pcs
• In this plan, we will do all the changes (Color, nameplate, and logo) as your need, and will not charge extra fee.

(2) Half OEM
• Quantity: no limit
• Under this program, we can make the necessary alteration (nameplate and logo) but we will charge some extra fee for the nameplate, as the nameplate factory has the MOQ.

(3) Logo OEM
• Quantity: no limit
• Only the logo will be changed to yours, and no extra fee will be charged.

Why choose us?

1.Quality Guarantee
With more than 24 years industry experience and our compressor approved by CE, ISO9001, SGS, And TUV test.The raw materials are strictly inspected and Some key parts are imported from overseas.Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

2.Warranty Period
The complete machines are proviede with one-year warranty, and the compressor air end with Two-year warranty and lifetime maintenance(With the exception of wearing parts)

3. Installation and Commissioning
Provied customers with installation and commissioning instructions,and all service-providing personnel are strictly trained technically by our company.

4.After -sales Services
Our company has service network in world, giving prompt replies to customers after notified within 24~48hours for troubleshooting.

5.Spare Parts
Our company always supply spare parts on most favorable terms.


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

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.

Q3. What’s payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
      2. Well-trained engineers available to overseas service.
      3.CZPT agents and after service avaiable.arrange our engineers to help you training and installation.

Q5. How about your warranty?
A: One year for the whole machine and 2 years for screw air end, except consumable spare parts.

Q6. Do you have any certificate ?
A: Yes, per different customer’s market need ,we can offer CE ,ISO etc certificate.

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

Q8. How do you control quality ?
A: 1.The raw materials are strictly inspected
      2. Some key parts are imported from overseas
      3.Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.

Q10.How long could your air compressor be used?
A: Generally, more than 10 years.

Lubrication Style: Oil-less
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type



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.


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.


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.


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.


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.

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 OEM 22kw 30HP Professional and Technical Direct Driven Rotorcomp Air End Screw Air Compressor   air compressor repair near meChina OEM 22kw 30HP Professional and Technical Direct Driven Rotorcomp Air End Screw Air Compressor   air compressor repair near me
editor by CX 2023-04-22

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