China Professional High Efficient 250kw 350HP Direct Drive 7bar 8bar 10bar Oil Injected Variable Speed Drive (PM VSD) Rotary Screw Industrial Air Compressor with Great quality

Merchandise Description

Merchandise Description

Higher Efficient 250kw 350HP Immediate Drive 7bar 8bar 10bar Oil Injected Variable Pace Push (PM VSD) Rotary Screw Industrial Air Compressor

Item Description

Everlasting magnet variable frequency screw air compressor:
one. Continuous force management: It can understand high-precision consistent pressure management with a pressure fluctuation selection of .01 MPa
2. Variable frequency soft start off: Get rid of the CZPT recent when starting, stay away from grid affect, stay away from current affect via action-by-stage velocity adjustment, and increase flexibility
three. Prevent no-load: The compressor is no-load in the course of procedure, minimizing ineffective power usage
Long term magnet motors use substantial-efficiency rare earth magnets, no loss of magnetism at 180°C, and long services daily life strength saving is about 6% to 7% in contrast with normal frequency conversion motors
It can exert the optimum performance in a broader range and make the air compressor more strength-conserving.

Two stage air finish
Feature:Two-phase compressor air-conclude
Gain:Reduced compression ratio, Minimal temperature climbing, Reduced air leakage
Reward:15% strength-preserving

Higher-effectiveness Motor
Characteristic:IE4 long term magnet motor/IE4 Higher-effectiveness motor
Benefit:Motor efficiency 97%
Advantage:5% vitality-saving

Clever control
Function:VFD system
Benefit:Consistent pressure output to take away strain fluctuation and off-load, Continuous temperature output at 9-~85°C, Lower beginning present to safeguard factors
Reward:15% strength-preserving

Sensible exhibit screen
Attribute:Smart control program
Advantage:10 inch check to show all the day
Benefit:Simple procedure and touble free of charge

CZPT admirer
Feature:Large cooler method
Gain:Axial flow Admirer utilised for good CZPT effect
Reward:Allow ambient temperature at 52°C

Systematic Design of Oil separator
Attribute:Big oil program
Edge:Reduce interior stress reduction avoid oil, Leakage for safety
Gain:3% power-preserving

Characteristic:Double filtering method
Gain:Get rid of impurity from air and cleanness
Gain:Lengthier lifestyle air -conclude and lubrication oil

Air inlet valve
Feature:High vacuum degree:700mmHg
Benefit:Large suction spot, Reduced load vitality consumption in unloaded operation, 
Fast examine: avoid unloading and shutdown oil injection
Gain:Solid aluminum to avoid rust and temperature alter


Complex Parameters


Packaging & Shipping

Packaging & Shipping

one.Packing Specifics: Plywood crate pallet furthermore foam board and bubble movie, Total shut wood case. 1pcs/each package deal
(for stationary screw air compressor)
two.Shipping and delivery technique: by sea, by LCL/FCL or as requested
three.Delivery method: FOB, CFR, CIF and EXW and so on.
4.Delivery time: in 7-15 times right after receiving deposit (personalized devices not integrated)


Profitable cases

Organization Profile

ZheJiang CZPT Equipment Co., Ltd. is a business focused to the creation and analysis and development of numerous fuel compression gear. The organization was established in 2012 and has a whole of 5 certified technological engineers. Mainly engaged in air, nitrogen, CO2 and other special gasoline compression products and following-handle tools. With the development in recent years, the firm has recognized a foreign trade team in ZheJiang , and employed foreign trade consultants with 10 a long time of industry expertise to better serve buyers throughout the world. With exceptional quality and the support of thirty distributors throughout the world, our yearly product sales in 2018 exceeded 5 million US dollars. We look forward to doing work with you to generate a far better tomorrow!

Payment and delivery

Soon after Income Services

1.24/7 after income service assist in distinct languages.
2.Adhere to up the opinions of merchandise in 2 months interval by email or call.
three.Assistance of set up and commissioning on website can be offered by manufacturing unit-educated specialists or neighborhood Approved Services Middle.
4.Complex education for buyers in CZPT air compressor manufacturing facility or working site.
five.All varieties of technological paperwork in diverse languages.



Q1. Are you trading organization or manufacture ?
A: We are expert manufacture of screw air compressor of HangZhou,ZheJiang ,China. More than 18 a long time of knowledge in air compressor production.

Q2. How long is the supply time ?
A: For normal voltage ,15 operating days. Non-regular ,make sure you contact our product sales.

Q3. What is actually payment phrase ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit score Card, and etc. Also we could settle for USD, RMB, Euro and other currency.

This fall. How about your soon after-revenue support ?
A: 1.Give consumers with installation and commissioning on the web guidelines.
     2. Effectively-skilled engineers available to overseas provider.
     3.Worldwide agents and soon after services avaiable.arrange our engineers to support you coaching and set up.

Q5. How about your guarantee?
A: A single year for the complete device and 2 several years for screw air stop, except consumable spare areas.

Q6. Do you have any certificate ?
A: Sure, per various customer’s marketplace need ,we can offer you CE ,ISO and so forth certification.

Q7. What about the maintenance ?
A: Very first servicing require to be completed following 500Hours, and then each and every 2000-3000 several hours to do the typical routine maintenance, and consider the actual surroundings.

Q8. How do you manage quality ?
A: 1. The raw components are strictly inspected
     2. Some essential components are imported from overseas
     3. Each compressor have to go at the very least 5 hrs of ongoing screening prior to leaving the factory.

Q9. Do you supply OEM services ?
A: Yes.Each OEM & ODM services can be approved.

Q10.How lengthy could your air compressor be utilized?
A: Normally, much more than 10 several years.

Deciding on the Right Air Compressor For Your Residence

You will locate that air compressors are indispensable equipment for a range of conditions, including garages, residence workshops, and basements. These equipment can power a variety of equipment, and each and every product is sized to go well with the task at hand. Because air compressors have only one particular motor, they are light-weight, compact, and easy to manage. Utilizing one air compressor to energy many tools will also lessen the wear and tear on individual elements. This post will introduce some critical qualities to search for when deciding on the appropriate air compressor for your house.

Good displacement

A good displacement compressor applies strain to a fluid, while a centrifugal one does the opposite. A constructive displacement compressor results in the wanted strain by trapping air and escalating its quantity. Its discharge valve releases the substantial-stress gas. These compressors are utilised in industrial applications and nuclear electricity plants. The variation among a positive and unfavorable displacement compressor is that a optimistic displacement compressor can compress and release air at a steady rate.
A positive displacement air compressor employs a reciprocating piston to compress air. This minimizes the quantity of the air in the compression chamber, and a discharge valve opens when the strain reaches the sought after amount. These compressors are utilised in bicycle pumps and other pneumatic equipment. Constructive displacement air compressors have multiple inlet ports and have numerous configurations. Positive displacement air compressors have a solitary-performing and double-performing piston, and can be oil-lubricated or oil-free of charge.
A good displacement air compressor is diverse from a dynamic compressor. It draws air into the compression chambers and then releases the force when the valve is opened. Optimistic displacement compressors are typical in industrial purposes and are available in one-acting, double-acting, and oil-lubricated designs. Big piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller sized models have forever sealed crankcases with bearings.

Oil-totally free

Oil-free air compressors have some benefits over their oil-lubricated counterparts. They do not require lubrication oil due to the fact they are coated with Teflon. The material has one particular of the least expensive coefficients of friction and is layered, so it slides past other layers with little work. Since of this, oil-totally free compressors have a tendency to be more affordable and nevertheless deliver equivalent functionality. Oil-free compressors are a excellent choice for industrial apps.
The life of an oil-free air compressor is considerably for a longer time than an oil-lubricated counterpart. These models can run up to 2,000 several hours, four instances more time than the regular oil-lubed compressor. Oil-cost-free compressors also have a considerably reduced operating sounds than their oil-lubricated counterparts. And because they do not want oil changes, they are quieter. Some even very last up to 2,000 hours.
An oil-cost-free air compressor is a good choice if your software calls for high amounts of purity. Many programs require ultra-pure air, and even a drop of oil can result in merchandise spoilage or harm to production equipment. In addition to the overall health pitfalls, an oil-totally free air compressor reduces the costs connected with oil contamination and minimizes leaks. It also eradicates the need for oil collection, disposal, and treatment.
A typical oil-totally free air compressor is quite productive, necessitating only about eighteen% of the complete load horsepower. However, oil-cost-free compressors have a higher threat of premature failure and are not suggested for big-scale industrial programs. They might also use up to eighteen% of the compressor’s complete ability. They may possibly sound appealing, but you need to make certain you understand the positive aspects of an oil-cost-free air compressor before selecting 1 for your industrial apps.


A single-phase air compressor is made to supply the energy for a one pneumatic resource or system. These devices are usually smaller sized than two-phase compressors and generate significantly less heat and vitality. These devices usually are not created for large-duty industries, but they are nevertheless hugely powerful for a selection of purposes, such as vehicle retailers, fuel stations, and numerous manufacturing crops. They can also be utilised in borewells, as they are suited for small areas with low air flow needs.
A one-stage air compressor has one particular cylinder and two valves – the inlet and the shipping valves. Equally of these valves operate mechanically, with the inlet valve controlling torque and the shipping one managing air force. Typically, one-stage compressors are run by a fuel engine, but there are also electric versions available. The one-stage air compressor is the most common type of air compressor. It has a solitary cylinder, a single piston, and 1 air cylinder.
The one-phase air compressors are used for tiny tasks or personalized use. A two-phase air compressor is much more successful for industrial projects. Its longer air conclude lifestyle tends to make it much more successful. It is also a lot more efficient for use in the automotive business, the place the motor has several cylinders. In common, solitary-stage compressors demand a greater power stage. The single-phase product is excellent for little tasks, even though a two-stage one is ideal for more substantial-scale arsenals.


The cubic foot-for every-moment (CFM) of an air compressor is the output of the equipment. In get to estimate the CFM degree, start off by searching at the compressor’s technical specs. You must know how a lot of cubic feet the unit can maintain and how several lbs . for each sq. inch it can compress. As soon as you have these information, you can calculate the CFM. Now you can use these figures to decide on an acceptable air compressor for your wants.
The most frequent way to increase the CFM of an air compressor is to switch the regulator down. By turning the dial down, the air compressor will create a lot more than ten CFM. You can also try connecting two output valves. Make confident that the options are adjusted appropriately prior to you commence. This will ensure that your air compressor is functioning at its optimum effectiveness and lifespan. To improve the CFM of your air compressor, 1st verify that your regulator is calibrated for the wanted force level.
To determine the CFM of an air compressor, initial determine the tank volume of the machine. Then, multiply this quantity by the time it requires to fill the tank. Then, divide the consequence by sixty seconds to determine the CFM. Once you know how considerably air your device can hold, you can decide on a ideal air compressor. If you happen to be functioning in a confined location, you ought to purchase a instrument with a massive tank.


The PSI of an air compressor is the pressure that it can output. A standard air compressor has a gauge connected to the airline at the bottom, subsequent to it, or among the two. The gauge tells the real pressure of the air compressor, while the minimize-out pressure is identified by the producer. The manufacturer endorses that you set the lower-out stress twenty to forty PSI increased than the manufacturing facility recommended 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 measures the pressure that it can supply, which is frequently in kilos per sq. inch. For most air instruments, you require at least forty to 90 psi. In basic, reciprocating air compressors perform on an on/off basis. This romantic relationship is known as the duty cycle. All air compressors are rated for a distinct duty cycle, these kinds of as fifty % on and 20-five per cent off.
The Psig of an air compressor is not free of charge, as several people think. The PSI of an air compressor is not totally free, but it is vital to maintain it for secure operations. If you’re having problems sustaining a consistent strain, take into account turning down the PSI of your compressor by 2 psig. This will determine the critical force for the machine. You’ll also enhance the sum of vitality in the system by one particular %.

Power supply

The electrical power resource for an air compressor is critical in its operation. With out the proper voltage and amperage, air compressors will not operate correctly. The electrical power supply have to be near to the compressor so that it can plug into an electrical outlet. If it is as well far from the outlet, the compressor may not be able to develop adequate strain. When this transpires, the fuse inside the air compressor will flip off to protect the user. The power supply ought to be a risk-free distance from the compressor.
Most makers do not specify the electrical power supply for an air compressor. Relying on the horsepower, the compressor will need around 4 amps of energy. A one particular-horsepower compressor would draw about twelve amps. If it have been run by a normal a hundred and twenty-volt home offer, its motor would exceed the fifteen-amp breaker capacity. A bigger air compressor, however, will need a separate fifteen-amp energy resource, creating it impossible to use it with this sort of electrical power source.
The electricity resource for an air compressor is typically electrical alternating present (AC) that is equivalent to the voltage on a regular wall outlet. A three-phase air compressor, on the other hand, calls for a special AC source with a few electrical offset pulses. Irrespective of the sort of air compressor, the electricity resource should be appropriate with the incoming energy provider. A single of the most widespread troubles when making an attempt to hook up an air compressor to an AC energy resource is undersized wire. This benefits in minimal voltage and high amperes, tripping of in excess of-load relays and blown fuses.

China Professional High Efficient 250kw 350HP Direct Drive 7bar 8bar 10bar Oil Injected Variable Speed Drive (PM VSD) Rotary Screw Industrial Air Compressor     with Great qualityChina Professional High Efficient 250kw 350HP Direct Drive 7bar 8bar 10bar Oil Injected Variable Speed Drive (PM VSD) Rotary Screw Industrial Air Compressor     with Great quality