China Good quality Dhh100HP 145psi 388cfm High Efficiency Inverter Soft Start Permanent Magnetic Variable Frequency Screw Air Compressor wholesaler

Merchandise Description

DM Series Permanent Magnet Variable Frequency Screw Compressor

Long lasting magnet Immediate Screw Air End
It is a distinctive new design and style, which brings together the permanent magnet motor and the speed handle frequency converter. It couples with the high quality air stop, which displays the innovative screw compressor engineering.
It can supply the special energy-preserving influence and super trustworthiness. There is no motor bearing. The screwing compressor is pushed by the permanent magnet motor. There is no consider about the attrition of the equipment,pulley,belt, coupling,shaft seal and the shifting components, which prospects to the leak or adjust areas. In the meantime, it not need to think about the calibritionfor the equipment coaxial seal. The higher-effect converter method will reduce the functioning costs prodigiously, which can give you a genuine outstanding technological innovation.

Functions Of Long term Magnet Variable Frequency Air Compressor

Extremely-lower temperature rise design, the compressor enables lengthy-expression secure procedure at extremely-minimal frequencies closed-loop vector handle method, quicker control and a lot more specific speed regulation the compressor unit can nevertheless preserve effective procedure when the frequency is decreased by much more than 50% the pressure is stable, and the force is precisely managed The fluctuation is within .01Mpa.


The figure exhibits the comparison of many starting approaches. It can be seen that the inverter begins slowly and starts off a lot more effortlessly, totally staying away from the present peak.

Below the set variable frequency force, the device will routinely alter to maintain the output pressure within ±0.1bar, decreasing needless waste (for each and every force improve by 1 bar, electrical power intake will increase by 7%)

Why choose long term magnet variable frequency screw air compressor?

Our permanent magnet frequency screw air comrpessor parmaters: 

1.A represents air-cooling type
2.Functioning Environment temperature: 2ºC~45ºC
3.Startup Mode: frenquency start 
4.Operate Power: 380V / 50HZ/3P 4 wire sort.
5.F.A.D quantity circulation take a look at is in accordance to ASMC PTC9 or ISO1217 regular (GB/T3853)

Screw Air Compressor Features:
1.Touch monitor exhibit controller.
2.Distant handle operate.
three.Instantly restart soon after quick energy off.
four.All parameters of air compressor can be checked from monitor disply of the controller.
five.Higher temperature alarm, voltage alarm, filters extra time CZPT functions.

Welcome to visit our manufacturing facility, we would like to have CZPT and heat cooperation with your company!

Undertaking circumstance

About us
CZPT Compressor was founded in 1996 with above one hundred fifty experienced personnel and far more than twenty five R&D engineers’ teams.We emphasis on the analysis & build, manufacture and strength-preserving remedies of screw air compressor to create benefit for clients and modern society.

CZPT opened to the globe considering that 2015, and now we have a overseas trade department with more than dozens individuals, serving consumers about the globe 24 hours. We have revenue associates who can communicate English, Spanish, Portuguese, French,and Russian which helps make it less difficult for our consumers from all more than the world to interact and negotiate with our valued customers are in excess of one hundred thirty nations. Germany Regular and 13 years exporting expertise aid us won much more than 50 loyal overseas brokers.

CZPT constantly innovates merchandise advancement and administration to fulfill customers’ desire. The strong business lifestyle and ongoing innovation make CZPT enhanced swiftly to achieve the business basic principle “Vitality Saving Initial, Mutual Price Shared”. The manufacturing line of CZPT is consist of screw air compressor from 5.5KW to 550KW, oil free air compressor, transportable air compressor, long lasting magnet variable frequency air compressor, higher force air compressor and compressed air CZPT equipment, etc.

CZPT mission is to be a globe-renowned large-stop brand name, with sustainable growth, continually improving its very own value and sharing it with our customers and personnel. Committed to supply our consumers a silent and energy-saving created products.


Why choose us

Packaging & Transport


Q1. Are you trading firm or manufacture ?

A: We are expert manufacture of screw air compressor of HangZhou(Close to ZheJiang ), China, much more than 24 many years.


Q2. How extended is the supply time ?

A: For normal voltage ,fifteen doing work times. Non-regular ,you should make contact with our product sales.


Q3. What is payment term ?

A: T/T, L/C, D/P, Western Union, Paypal, Credit score Card, and and many others. Also we could accept USD, RMB, Euro and other forex.


This fall. How about your right after-sales service ?

A: 1.Provide customers with installation and commissioning on the web directions.

  2. Properly-qualified engineers accessible to abroad service.

  3.Globally agents and after support avaiable.organize our engineers to support you education and set up.


Q5. How about your warranty?

A: 1 calendar year for the complete device and 2 years for screw air finish, other than consumable spare elements.


Q6. Do you have any certification ?

A: Yes, for each diverse customer’s market place need to have ,we can offer CE ,ISO etc certification.

Q7. What about the maintenance ?

A: Initial routine maintenance want to be carried out right after 500Hours, and then each and every 2000-3000 hours to do the regular maintenance, and think about the actual atmosphere.


Q8. How do you control quality ?

A: 1.The uncooked materials are strictly inspected

      2. Some essential parts are imported from overseas

      3.Each compressor should pass at the very least 5 several hours of ongoing screening prior to leaving the factory.

Q9. Do you offer you OEM provider ?

A: Indeed.Each OEM & ODM service can be approved.

Q10.How prolonged could your air compressor be utilized?

A: Typically, more than ten years.

How to Mend and Keep an Air Compressor

A compressor is a gadget utilised to go air from 1 place to yet another. Air enters the air compressor through the intake valve. Inside of the compressor, the vanes on the interior rotor rotate in an eccentric cavity. The self-adjusting duration arm divides the place into a number of cavities of diverse sizes. As the rotor rotates, air fills the cavity. As air flows about the cavity, it builds force and is squeezed out of the compressor output.

Optimistic displacement

Optimistic displacement air compressors use reciprocating pistons to compress air. Fuel is drawn in throughout the suction stroke and compressed by shifting the piston in the opposite course. It then discharges the compressed air by relocating it in the reverse route. This kind of air compressor is most typically located in automobiles, refrigerators, and other applications that demand higher stress. Nonetheless, it is not as successful as a centrifugal compressor.
Most contemporary air compressors use good displacement. Optimistic displacement designs capture a quantity of air in the compression chamber and distribute it when the pump is working at maximum potential. They are far more affordable than their adverse displacement counterparts. Reciprocating screw air compressors are the most frequent positive displacement compressors. The reciprocating screw air compressor adopts a h2o jacket about the cylinder and is frequently used in procedures such as oil drilling.
A bicycle pump is an illustration of good displacement compression. Air is drawn into the cylinder and compressed by the shifting piston. A piston compressor operates on the exact same theory, but it uses a rotating crankshaft or connecting rod to total the movement of the pistons. There are two sorts of optimistic displacement compressors: solitary-acting and double-performing. The two kinds perform on the same principle, each are optimistic displacement compressors. The difference between the two kinds is the pressure ratio.
In air compression, optimistic displacement compression lowers the volume of the fluid and lowers its viscosity. This results in larger strain ratios and is utilised in centrifugal, axial, and scroll compressors. Positive displacement is a typical function of most air compressors. Good displacement compressors provide the same benefits and are far more strength-productive when utilized to oil-totally free and gas programs. This kind of compression is usually the ideal option for low-strain applications.

oil totally free

If you happen to be looking for an air compressor for your business, think about an oil-totally free air compressor. These models offer cleaner, quieter operation than classic air compressors and demand much less servicing. They also meet up with ISO Course or Course 1 air purity specifications. Oil-free of charge air compressors are also quieter, with fewer moving parts and considerably less sound. These benefits make oil-totally free air compressors an excellent remedy for many business programs.
Air purity is crucial in many industries. Even the tiniest fall of oil can injury manufacturing tools or hurt goods. The ideal way to discover an oil-free of charge air compressor for your business is to contemplate the process and stop product. As air good quality enhances, much more and much more firms are turning to oil-totally free compressors. Some of the rewards and negatives of these air compressors are:
When selecting an oil-cost-free air compressor, it is important to comprehend the terminology used in the market. Realizing these conditions will make it simpler for you to choose the correct compressor for your requirements. ACTFM, or genuine cubic toes per minute, is an industry phrase for measuring the amount of air pumped in one minute beneath rated problems. Even though a basic variety, it can be quite helpful in figuring out which variety of air compressor is greatest for your software.
The ISO 8573-1 global common defines air high quality and gives air purity classifications. The strictest classification is air purity course . Numerous makers assert that oil-cost-free air compressors meet up with this common. Even so, a class oil-totally free air compressor does not necessarily mean that the air is free of contaminants. In reality, Course is the benchmark for air purity. Whilst zero air good quality is the optimum level, that doesn’t indicate it’s totally oil-cost-free.

double acting

A double-acting air compressor is a unit that makes use of compressed air to make electrical energy. Its operating basic principle is based mostly on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are normally made of cast carbon metal. In terms of services and servicing, double-performing compressors demand typical vise maintenance and appropriate cleaning.
The displacement of the compressor is a measure of the displacement that the piston can make in a specified time period of time. Displacement is generally expressed in real cubic ft for each minute. The specific calculation is dependent on the type of cylinder and the configuration of the compressor. One-acting cylinders can have head-stop or crank-end displacement, the two of which can be calculated utilizing the displacement equation. A double-acting air compressor will use this equation. 4 and 6 compute the displacement.
Double-performing air compressors have numerous cylinders and are created of solid iron. They are h2o-cooled and have a mechanical link between the piston and connecting rod. A double-acting compressor compresses air 2 times for each revolution of the motor. One particular cylinder moves up, whilst the other cylinder moves down. The piston moves down, making it possible for air to enter by way of valve #1. Throughout the procedure of the compressor, the temperature of the air and gasoline boosts.
Double-acting air compressors generally have large strain and are regarded workhorses. Double-acting compressors also function intercooling and double compression. As a consequence, these machines tend to previous longer than one-performing compressors. Its minimal speed and dual compression make it a workhorse in the compressor business. Double-acting air compressors are workhorses and versatile devices.

gas tank stress change

You can change the force in the air compressor tank by adjusting the differential force. You can change the mainspring clockwise or counterclockwise to enhance or lessen the force. This valve will open when the force is minimal sufficient to commence the compressor. If the strain is also low, the valve need to be shut. The lower-in and minimize-out pressures need to be established to acceptable values. Following adjusting the tank pressure, check the hysteresis of the tank strain change and set the wanted shutoff strain.
If the force in the tank falls under the minimize-in amount, the tank pressure change must be changed. You can examination the swap with a multimeter. Make positive the change is not broken. If you cannot discover the switch, you can seem at the other sections. If you locate any broken or missing parts, you must change them. In any other case, it may be time to check the tank stress swap. You may want to disassemble the compressor and take away the swap.
The gasoline tank strain change is an critical element of the air compressor. It retains you informed of the amount of air delivered by the compressor. If your tank or tank is broken, your readings will be wrong. If the pressure switch is ruined, it will not operate appropriately and outcome in incorrect readings. Luckily, there are some easy methods to repair this. To avert this from going on, preserve the tank force change in very good situation.
When the air pressure in the tank drops to the cut-in strain placing, the switch makes it possible for power to stream through it. This will start the motor and pump of the air compressor. Then, if the force in the tank rises earlier mentioned the lower-off amount, the switch will journey and quit the compressor. This will avert it from becoming in excess of-pressurized. Energy movement will continue to movement to the motor. Based on your compressor product, you can adjust the cut-in and lower-out pressures as necessary.

power resource

The energy provide of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can purchase a switching electricity supply for around $20. No make a difference which electrical power provide you pick, you need to make sure that it can help the optimum current of the compressor. You can discover electricity materials in all sizes, from quarter-horsepower to five-horsepower.
The voltage necessary for a three-period air compressor will range. A few-section air compressors call for 3 separate power cords and a a few-phase electrical support panel. This is since a standard 120/240-volt electrical provider panel is not sufficient to power a 3-stage compressor. Moreover, three-phase compressors need a few different isolated wires for the engine and motor circuits. A few-phase compressors do not demand a neutral wire.

China Good quality Dhh100HP 145psi 388cfm High Efficiency Inverter Soft Start Permanent Magnetic Variable Frequency Screw Air Compressor     wholesaler China Good quality Dhh100HP 145psi 388cfm High Efficiency Inverter Soft Start Permanent Magnetic Variable Frequency Screw Air Compressor     wholesaler