China manufacturer High Efficiency Save Power 40% Mute 75kw 10HP Variable Frequency Air Cooling Direct Driven Industrial Rotary Screw Air Compressor with Good quality

Product Description

Solution Description

Our Benefits

one. New era molded line air finish,one particular-shaft strcture make it much more compact,secure and substantial-performance.
2. Higher efficiency motor conserve CZPT about 6~7%,compared with 3 section asynchronous motor.
3.1:1 immediate driven, stable and ekcient.
4. Low servicing and procedure cost.
5. Industrial houser-keeper with get rid of handle system.
6. In comparison with standard air compressor heaps of engineering patent.


Merchandise Parameters


Client suggestions

Organization Profile

DHH compressor ZheJiang Company limited is a manufacturer integrating R and D, production, income and services. It was founded in 1996, with 25 years’ experience in air compressor industry. Products line could be divided into 5 types:

one: Oil injected screw air compressor (7.5 to 630kw)
2: Oil free air compressor, screw and scroll (7.5 to 250kw)
three: Mixed screw air compressor for fiber Laser cutting software
4: Reduced Stress screw air compressor (3 to 5bar)
5: Portable diesel motor screw air compressor (forty two to 295kW)

In 2017 we received twenty patents with certificate: I S O9 0 0 1, E U C E. In 2018, we had been determined as “substantial-tech company” and “personal technologies company”.

Our manufacturing unit is located in HangZhou Town, ZheJiang Province, in close proximity to to ZheJiang . With much more than a hundred and fifty expert employees and 25 engineers, every single step of manufacturing approach we are fairly stringent. Our International Sales department is situated in ZheJiang , China, income representatives who can converse English, Spanish, Portuguese, French, and Russian which tends to make it easier for our customers from all above the entire world to interact and negotiate with us, twenty-4 seven. Now our valued clients are over one hundred thirty countries. German Normal and 14 many years exporting encounter help us received much more than 50 loyal abroad agents.
D H H’s mission is to be a planet-renowned large-conclude brand, with sustainable development, continuously strengthening its personal benefit and Fully commited to offer you our clients power-conserving goods.

Our services

1.24/7 following income service support in different languages.
two.Follow up the suggestions of products in 2 months interval by email or call.
3.Guidance of set up and commissioning on site can be provided by manufacturing facility-trained specialists or neighborhood Licensed Provider Heart.
four.Technological training for clients in DEHAHA air compressor manufacturing unit or functioning site.
5.Plenty of original spare parts with verified good quality are all obtainable from our central stocks in ZheJiang and all distributors’depots. 
six.All sorts of specialized paperwork in different languages.


one.Why choose us? 
DHH SCREW COMPRESSOR ZheJiang CO.,LTD.with 23 years previous background,we are specialized in Rotary Screw Air Compressor.Germany Standard and 13 many years exporting encounter assist us won more than 30 faithful international brokers.We warmly welcome your tiny trial purchase for quality or market examination.

two.Are you a maker or trading firm?
We are specialist producer with huge CZPT factory in HangZhou,China,with professional design staff.Equally OEM & ODM support can be recognized.

3.Where is your manufacturing facility located? How can I pay a visit to there?
Our manufacturing unit is located in HangZhou Town, ZheJiang Province, China. We can select up you from ZheJiang , it really is about 1 hour from ZheJiang Xihu (West Lake) Dis. Airport to our manufacturing facility. Warmly welcome to go to us!

four.What is actually your shipping time?
380V 50HZ we can shipping and delivery the products within 14 times. Other electrical energy or other shade we will shipping and delivery inside 22 times,if urgently buy,pls make contact with our income in advance.

5.How lengthy is your air compressor warranty?
One particular calendar year for the complete equipment and 2 a long time for screw air finish, other than consumable spare parts and we can give some spare elements of the equipment

6.How does your factory do with regards to high quality handle?
Top quality is every thing. we often connect great relevance to top quality controlling from the extremely commencing to the very stop. Our manufacturing unit has obtained ISO9001:2015 authentication and CE certification.

7.How extended could your air compressor be used?
Normally, far more than ten many years.

8. What’s payment phrase?
T/T,L/C,D/P,Western Union,Paypal,Credit Card,and and many others.Also we could take USD, RMB, Euro and other forex.

nine.How about your customer support?
24 hours on-line services available.48 hrs dilemma solved guarantee.

ten.How about your following-sales provider?
(1) Supply customers with set up and commissioning online guidelines.
(2) Effectively-qualified engineers obtainable to abroad services.
(3) Worldwide brokers and following support obtainable. 

Picking the Right Air Compressor For Your Home

You will uncover that air compressors are indispensable tools for a assortment of situations, such as garages, residence workshops, and basements. These resources can energy a selection of tools, and each product is sized to match the task at hand. Due to the fact air compressors have only a single motor, they are lightweight, compact, and simple to deal with. Utilizing a single air compressor to energy a number of tools will also decrease the dress in and tear on personal elements. This report will introduce some crucial attributes to seem for when picking the proper air compressor for your residence.

Good displacement

A good displacement compressor applies force to a fluid, whereas a centrifugal one does the reverse. A constructive displacement compressor produces the wanted stress by trapping air and growing its quantity. Its discharge valve releases the large-force gasoline. These compressors are used in industrial apps and nuclear electrical power plants. The distinction between a positive and damaging displacement compressor is that a optimistic displacement compressor can compress and release air at a steady rate.
A positive displacement air compressor utilizes a reciprocating piston to compress air. This lowers the quantity of the air in the compression chamber, and a discharge valve opens when the stress reaches the sought after degree. These compressors are used in bicycle pumps and other pneumatic tools. Constructive displacement air compressors have a number of inlet ports and have several configurations. Constructive displacement air compressors have a solitary-performing and double-performing piston, and can be oil-lubricated or oil-cost-free.
A good displacement air compressor is different from a dynamic compressor. It attracts air into the compression chambers and then releases the force when the valve is opened. Positive displacement compressors are widespread in industrial purposes and are available in solitary-acting, double-performing, and oil-lubricated designs. Big piston compressors have ventilated intermediate parts and crossheads on gudgeon pins. Scaled-down versions have permanently sealed crankcases with bearings.


Oil-totally free air compressors have some benefits in excess of 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 previous other layers with tiny hard work. Due to the fact of this, oil-free compressors are likely to be cheaper and nevertheless provide comparable overall performance. Oil-free of charge compressors are a good decision for industrial programs.
The daily life of an oil-totally free air compressor is considerably lengthier than an oil-lubricated counterpart. These versions can work up to 2,000 hours, four occasions longer than the average oil-lubed compressor. Oil-cost-free compressors also have a drastically reduced working sounds than their oil-lubricated counterparts. And simply because they don’t require oil changes, they are quieter. Some even final up to 2,000 several hours.
An oil-totally free air compressor is a excellent selection if your software demands higher amounts of purity. Several applications need extremely-pure air, and even a fall of oil can trigger solution spoilage or damage to production tools. In addition to the well being pitfalls, an oil-cost-free air compressor minimizes the fees connected with oil contamination and minimizes leaks. It also eradicates the want for oil collection, disposal, and treatment.
A typical oil-totally free air compressor is very efficient, demanding only about eighteen% of the full load horsepower. Nonetheless, oil-cost-free compressors have a higher threat of untimely failure and are not advisable for massive-scale industrial apps. They might also use up to eighteen% of the compressor’s complete potential. They could audio interesting, but you need to make certain you comprehend the positive aspects of an oil-totally free air compressor before selecting one for your industrial applications.


A single-stage air compressor is developed to give the power for a one pneumatic resource or system. These devices are usually smaller than two-stage compressors and produce much less warmth and vitality. These devices usually are not designed for weighty-responsibility industries, but they are even now hugely powerful for a range of applications, which includes automobile stores, gas stations, and numerous manufacturing crops. They can also be employed in borewells, as they are suitable for small spaces with reduced air movement specifications.
A single-phase air compressor has 1 cylinder and two valves – the inlet and the shipping valves. Equally of these valves purpose mechanically, with the inlet valve controlling torque and the shipping and delivery one particular controlling air pressure. Usually, solitary-stage compressors are run by a gasoline motor, but there are also electric powered models offered. The single-phase air compressor is the most common type of air compressor. It has a one cylinder, 1 piston, and one particular air cylinder.
The solitary-phase air compressors are used for modest projects or private use. A two-stage air compressor is more powerful for industrial projects. Its longer air stop lifestyle makes it more effective. It is also far more productive for use in the automotive business, exactly where the engine has several cylinders. In basic, one-phase compressors need a greater power stage. The one-stage design is perfect for small assignments, while a two-phase one is suitable for bigger-scale arsenals.


The cubic foot-for each-moment (CFM) of an air compressor is the output of the device. In get to estimate the CFM amount, start by looking at the compressor’s technical specs. You ought to know how several cubic ft the unit can keep and how a lot of pounds per square inch it can compress. Once you have these info, you can determine the CFM. Now you can use these figures to select an acceptable air compressor for your needs.
The most typical way to enhance the CFM of an air compressor is to change the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try out connecting two output valves. Make confident that the configurations are modified appropriately ahead of you commence. This will make certain that your air compressor is operating at its maximum efficiency and lifespan. To enhance the CFM of your air compressor, 1st check out that your regulator is calibrated for the preferred strain stage.
To compute the CFM of an air compressor, very first decide the tank quantity of the machine. Then, multiply this volume by the time it normally takes to fill the tank. Then, divide the end result by sixty seconds to compute the CFM. As soon as you know how a lot air your device can maintain, you can decide on a appropriate air compressor. If you’re doing work in a confined spot, you must purchase a tool with a large tank.


The PSI of an air compressor is the stress that it can output. A typical air compressor has a gauge related to the airline at the base, following to it, or between the two. The gauge tells the actual strain of the air compressor, while the cut-out strain is decided by the maker. The manufacturer suggests that you established the lower-out pressure 20 to forty PSI larger than the manufacturing facility advised strain. If you want to established the stress for your nail gun, you can use the minimize-in and minimize-out pressures on your compressor, and the tank is not going to exceed this variety.
The PSI of an air compressor steps the power that it can provide, which is usually in pounds for every sq. inch. For most air equipment, you want at minimum forty to ninety psi. In standard, reciprocating air compressors operate on an on/off foundation. This relationship is acknowledged as the duty cycle. All air compressors are rated for a particular responsibility cycle, these kinds of as fifty per cent on and twenty-5 p.c off.
The Psig of an air compressor is not free, as several people think. The PSI of an air compressor is not free of charge, but it is important to preserve it for safe functions. If you happen to be having difficulty preserving a consistent strain, contemplate turning down the PSI of your compressor by 2 psig. This will determine the vital pressure for the machine. You will also boost the quantity of strength in the system by one particular p.c.

Electrical power supply

The energy supply for an air compressor is vital in its operation. With out the proper voltage and amperage, air compressors will not purpose effectively. The electrical power source must be near to the compressor so that it can plug into an electrical outlet. If it is way too significantly from the outlet, the compressor may not be capable to build sufficient force. When this happens, the fuse within the air compressor will change off to protect the person. The electrical power source need to be a risk-free distance from the compressor.
Most makers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will need about 4 amps of electricity. A one particular-horsepower compressor would draw about twelve amps. If it had been run by a common 120-volt house provide, its motor would exceed the fifteen-amp breaker capacity. A more substantial air compressor, nevertheless, will require a independent fifteen-amp electrical power supply, generating it impossible to use it with this variety of energy source.
The electricity source for an air compressor is generally electrical alternating current (AC) that is equivalent to the voltage on a normal wall outlet. A three-period air compressor, on the other hand, requires a specific AC provide with 3 electrical offset pulses. No matter of the type of air compressor, the power supply must be compatible with the incoming power provider. One of the most frequent issues when making an attempt to hook up an air compressor to an AC energy supply is undersized wire. This benefits in lower voltage and higher amperes, tripping of over-load relays and blown fuses.

China manufacturer High Efficiency Save Power 40% Mute 75kw 10HP Variable Frequency Air Cooling Direct Driven Industrial Rotary Screw Air Compressor     with Good qualityChina manufacturer High Efficiency Save Power 40% Mute 75kw 10HP Variable Frequency Air Cooling Direct Driven Industrial Rotary Screw Air Compressor     with Good quality