China Professional 15kw 20HP Energy Saving Silent Electric Rotary Type Screw Air Compressor wholesaler

Item Description

Merchandise description

DM Series Permanent Magnet Variable Frequency Screw Compressor
Long term magnet Immediate Screw Air End. It is a unique new design and style, which combines the permanent magnet motor and the velocity control frequency converter. It partners with the higher good quality air end, which demonstrates the sophisticated screw compressor technologies.
It can offer the distinctive strength-preserving effect and tremendous reliability. There is no motor bearing. The screwing compressor is pushed by the permanent magnet motor. There is no contemplate about the attrition of the gear,pulley,belt, coupling,shaft seal and the transferring parts, which qualified prospects to the leak or change parts. In the meantime, it not need to take into account the calibritionfor the equipment coaxial seal. The large-impact converter approach will reduce the working expenses prodigiously, which can provide you a genuine superb technological innovation.


Specialized Parameter




Thorough description

Rotors are asymmetric in profile, backed up by ball bearings and roller bearings. Operates at a low velocity, thus minimal in abrasion and maintenance expenditures, air finish is prolonged service life.

two.Control panel
Smart microcomputer-primarily based handle technological innovation can keep track of and manage in all elements the comprehensive device subsequent your guidelines, distant management realizes unattended operation.

3.Oil filter
Rotary filters are applied to entirely eliminate the impurities in the lubricating oil, simple to replace and cost-free of oil impregnate.

4.Air filter
CZPT imported filter material,high performance 3 ranges air separator, hold inside cleanliness of the system effectively.

The cooler is found separately from the internal isolation of the chassis,so that the CZPT fans would suck air with normal temperature from outdoors.Compared to CZPT by utilizing the air of forty five~65°Cinside the chassis,the CZPT followers could preserve above 30% energy when the temperature of the air outlet decreases 3~8°C.

6.Superb quality of motors
Specialist customized large effectiveness permanent magnet motor,In comparison to regular motors, Everlasting magnet motor far more exceptional strength quality:IP65

7.The air end of compressor is of high effectiveness and extended daily life
Outstanding CZPT bearings are adopted for compressor air end to better enhance their use performance,minimize abrasion.and to realize long time period procedure with no faults,lower sound and lengthy existence.

Application Business

Air compressors are widely employed in industries to fulfill customers’ numerous gas requirements,this kind of as Industrial tools,pipelines, printing services, electric powered electricity, metallurgy, oil&gasoline, electricity plants, shipbuilding, plastics, painting, textile, blow molding, steel industry, chemical sector, shipyard, machanical etc.

Firm Profile

CZPT Compressor was established in 1996 with more than one hundred fifty skilled staff and a lot more than twenty five R&D engineersteams ‘ .
We concentrate on the investigation & build,manufacture and energy-saving options of screw air compressor to create 
worth for consumers and culture.In 2018 our complete revenue quantity approached 15 million US bucks.By above 23 a long time
enhanced ordeals of designing,generating and advertising,right now our valued clients are more than 130 nations. Germany Normal and thirteen many years exporting encounter support us gained more than fifty faithful abroad brokers.

Dehaha’s principal companies target in pursuing important areas: 
Oil-injected rotary screw compressors 
Moveable screw air compressors 
Oil cost-free air compressors 
Large pressure air compressors 
Air treatment method products

At Dehaha,we receive our customers’ CZPT and satisfaction by producing the exceptional high quality compressed air
items for all industries.All of our products are developed for reputable efficiency,effortless servicing,and highest
strength performance.We have income associates who can talk English,Spanish,French,and Russian which can make
it simpler for our customers from all over the entire world to interact and negotiate with us.

CZPT repeatedly innovates item growth and management to fulfill customers’ demand.The strong enterprise lifestyle and constant innovation make CZPT improved quickly to attain the company principle”Energy Conserving 1st, Mutual Value Shared”. CZPT mission is to be a globe-renowned substantial-end manufacturer,with sustainable advancement,constantly bettering its personal benefit and sharing it with our clients and personnel.Committed to offer our buyers a silent and vitality-conserving created goods.


Our exhibition

Our support

one. 24h/7 soon after product sales support in different languages
2. Follow up the in products in 2 months interval by e-mail or phone
three.Direction of set up and commissioning on web site can be provided by manufacturing unit-skilled experts
four. Technical instruction for consumers in CZPT air compressor manufacturing facility or functioning website.
5. plenty of drginal spare parts with verified high quality are all obtainable from our shares in Jianhgsu .
six. All kinds of specialized documents in distinct languges.


1.Why buyer decide on us? 

DHH SCREW COMPRESSOR ZheJiang CO.,LTD.with 23 years old background,we are specialised in Rotary Screw Air Compressor.Germany Common and 13 years exporting knowledge support us received a lot more than 30 loyal overseas brokers.We warmly welcome your tiny trial order for good quality or market place take a look at.

2.Are you a maker or trading company?
We are skilled maker with massive CZPT manufacturing unit in HangZhou,China,with professional design and style staff.Each OEM & ODM service can be recognized.

3.The place is your factory situated? How can I visit there?
Our manufacturing facility is found in HangZhou City, ZheJiang Province, China. We can pick up you from ZheJiang , it is about 1 hour from ZheJiang Xihu (West Lake) Dis. Airport to our factory. Warmly welcome to pay a visit to us!

four.What’s your delivery time?
380V 50HZ we can shipping the goods inside of fourteen days. Other electrical energy or other colour we will supply in 22 days,if urgently order,pls speak to our sales in progress.

5.How prolonged is your air compressor warranty?
One particular 12 months for the entire device and 2 many years for screw air stop, except consumable spare components and we can provide some spare components of the devices.

six.How does your manufacturing unit do concerning top quality control?
High quality is almost everything. we constantly attach fantastic value to quality controlling from the very starting to the really stop. Our manufacturing unit has gained ISO9001:2015 authentication and CE certificate.

7.How extended could your air compressor be used?
Normally, far more than 10 many years.

8. What is actually payment phrase?
T/T,L/C,D/P,Western Union,Paypal,Credit score Card,and etc.Also we could accept USD, RMB, Euro and other currency.

9.How about your client services?
24 several hours on-line provider accessible.forty eight hrs problem solved guarantee.

ten.How about your soon after-product sales provider?
(1) Offer buyers with set up and commissioning on the web instructions.
(2) Effectively-trained engineers available to overseas provider.
(3) Globally agents and after support obtainable.


How to Repair and Sustain an Air Compressor

A compressor is a device utilized to move air from one spot to another. Air enters the air compressor by way of the consumption valve. Within the compressor, the vanes on the inner rotor rotate inside an eccentric cavity. The self-changing duration arm divides the room into several cavities of diverse sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds strain and is squeezed out of the compressor output.

Good displacement

Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in for the duration of the suction stroke and compressed by transferring the piston in the reverse course. It then discharges the compressed air by shifting it in the opposite direction. This sort of air compressor is most frequently located in cars, fridges, and other programs that need high pressure. However, it is not as efficient as a centrifugal compressor.
Most present day air compressors use constructive displacement. Good displacement types capture a quantity of air in the compression chamber and distribute it when the pump is running at optimum ability. They are far more affordable than their adverse displacement counterparts. Reciprocating screw air compressors are the most typical good displacement compressors. The reciprocating screw air compressor adopts a drinking water jacket about the cylinder and is usually utilised in procedures this kind of as oil drilling.
A bicycle pump is an case in point of constructive displacement compression. Air is drawn into the cylinder and compressed by the shifting piston. A piston compressor performs on the identical theory, but it makes use of a rotating crankshaft or connecting rod to total the motion of the pistons. There are two varieties of good displacement compressors: one-acting and double-performing. Equally types function on the very same principle, equally are positive displacement compressors. The big difference between the two types is the stress ratio.
In air compression, constructive displacement compression minimizes the volume of the fluid and minimizes its viscosity. This benefits in increased pressure ratios and is utilized in centrifugal, axial, and scroll compressors. Good displacement is a widespread function of most air compressors. Optimistic displacement compressors offer the exact same advantages and are far more strength-productive when utilized to oil-free of charge and gasoline programs. This type of compression is normally the greatest option for reduced-force programs.

oil free of charge

If you happen to be looking for an air compressor for your enterprise, take into account an oil-free air compressor. These versions offer cleaner, quieter operation than traditional air compressors and require less routine maintenance. They also satisfy ISO Course or Class 1 air purity demands. Oil-free air compressors are also quieter, with fewer relocating areas and less sound. These rewards make oil-totally free air compressors an excellent remedy for numerous commercial programs.
Air purity is critical in many industries. Even the tiniest drop of oil can damage manufacturing gear or damage goods. The ideal way to discover an oil-cost-free air compressor for your company is to contemplate the approach and conclude solution. As air top quality enhances, far more and much more firms are turning to oil-cost-free compressors. Some of the positive aspects and negatives of these air compressors are:
When choosing an oil-cost-free air compressor, it is crucial to understand the terminology utilized in the industry. Understanding these terms will make it easier for you to pick the appropriate compressor for your requirements. ACTFM, or genuine cubic feet for each minute, is an business time period for measuring the quantity of air pumped in one particular minute beneath rated problems. Although a straightforward amount, it can be very useful in figuring out which type of air compressor is very best for your software.
The ISO 8573-1 international normal defines air top quality and gives air purity classifications. The strictest classification is air purity class . Many producers declare that oil-cost-free air compressors satisfy this common. Nonetheless, a course oil-free air compressor does not automatically imply that the air is free of charge of contaminants. In reality, Class is the benchmark for air purity. Even though zero air good quality is the maximum amount, that doesn’t mean it truly is completely oil-free.

double performing

A double-performing air compressor is a unit that utilizes compressed air to make electrical power. Its operating basic principle is based mostly on piston and connecting rod. The connecting rod connects the crankshaft to the piston via pins and caps. The piston moves as the piston moves. Rods are normally produced of cast carbon steel. In terms of service and routine maintenance, double-performing compressors call for regular vise upkeep and correct cleansing.
The displacement of the compressor is a measure of the displacement that the piston can generate in a certain period of time. Displacement is generally expressed in true cubic toes per moment. The actual calculation depends on the sort of cylinder and the configuration of the compressor. One-acting cylinders can have head-end or crank-conclude displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 estimate the displacement.
Double-acting air compressors have numerous cylinders and are created of forged iron. They are water-cooled and have a mechanical connection among the piston and connecting rod. A double-acting compressor compresses air twice for each revolution of the motor. One cylinder moves up, although the other cylinder moves down. The piston moves down, permitting air to enter by means of valve #1. In the course of the operation of the compressor, the temperature of the air and gasoline will increase.
Double-performing air compressors usually have substantial pressure and are deemed workhorses. Double-performing compressors also attribute intercooling and double compression. As a end result, these equipment have a tendency to last longer than single-acting compressors. Its reduced speed and twin compression make it a workhorse in the compressor sector. Double-acting air compressors are workhorses and flexible products.

fuel tank strain switch

You can change the force in the air compressor tank by altering the differential force. You can change the mainspring clockwise or counterclockwise to improve or decrease the force. This valve will open when the force is low enough to start the compressor. If the stress is as well minimal, the valve must be shut. The cut-in and lower-out pressures must be established to proper values. Right after modifying the tank stress, verify the hysteresis of the tank stress switch and set the preferred shutoff strain.
If the strain in the tank falls underneath the lower-in amount, the tank stress switch need to be replaced. You can test the switch with a multimeter. Make sure the swap is not ruined. If you can not locate the swap, you can appear at the other sections. If you discover any broken or missing parts, you must substitute them. Normally, it might be time to check out the tank strain switch. You might want to disassemble the compressor and take away the switch.
The gas tank pressure change is an essential component of the air compressor. It keeps you informed of the volume of air shipped by the compressor. If your tank or tank is ruined, your readings will be wrong. If the force change is damaged, it will not operate effectively and outcome in incorrect readings. The good news is, there are some effortless approaches to fix this. To avert this from occurring, hold the tank stress swap in excellent situation.
When the air strain in the tank drops to the lower-in force placing, the change enables power to stream by means of it. This will begin the motor and pump of the air compressor. Then, if the strain in the tank rises previously mentioned the minimize-off level, the change will journey and stop the compressor. This will avert it from becoming over-pressurized. Electrical power flow will keep on to stream to the motor. Depending on your compressor product, you can modify the cut-in and reduce-out pressures as essential.

strength source

The power supply of the air compressor is really essential. Most air compressors operate on 12 VDC, which is perfect for automotive use. Alternatively, you can purchase a switching power supply for all around $20. No subject which electrical power supply you decide on, you have to ensure that it can assist the maximum recent of the compressor. You can uncover power provides in all measurements, from quarter-horsepower to 5-horsepower.
The voltage essential for a 3-section air compressor will vary. A few-phase air compressors call for a few individual power cords and a three-period electrical support panel. This is since a normal 120/240-volt electrical provider panel is not enough to electricity a a few-period compressor. Additionally, a few-section compressors demand three separate isolated wires for the engine and motor circuits. A few-phase compressors do not demand a neutral wire.

China Professional 15kw 20HP Energy Saving Silent Electric Rotary Type Screw Air Compressor     wholesaler China Professional 15kw 20HP Energy Saving Silent Electric Rotary Type Screw Air Compressor     wholesaler

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