China Standard Low Vibration High Efficiency 300HP 220kw Two Stage Screw Air Compressor with Good quality

Item Description

Introduction of double stage screw air compressor 
Double stage screw air compressor in the primary components with double screw,the compression method by the very first stage screw and 2nd screw by way of grading series compression.
Double screw air compressor in addition to uphold twin-screw compressor has the advantages of simple structure,adaptable set up and substantial efficiency,but also highlights the rewards of their possess productive,vitality-preserving:
1.can reduce the bearing load,increase volume performance, the case of some load operation,can enhance efficlency,energy preserving.
Double screw air compressor than twin-screw compressor CZPT conserving up to fifteen%,each run for 8000 hrs a yr, Once-a-year cost savings of about 200 thousand yuan electrical energy.
Benefit of 2 stage screw air compressor 
one. Hierarchical compression to save compression perform
Via the two-phase series process, the unique one-stage compression approach is divided into 2 compression procedures. These kinds of a procedure placing can lessen the ratio of each and every one-stage compression process, which can effectively lessen the compression and compression of each and every phase screw. Essential push power.
In the method of best gasoline compression, the sum of the electricity required for single-stage force transmission and the electrical power necessary for multi-stage compression is equal, but in the true compression approach, because of to a collection of variables these kinds of as the transmission electrical power reduction of the coupling, the friction coefficient of the bearing and the viscosity of the coolant With the improve of the utilized pressure, the worthless energy exceeding the same ratio is generated, so the ineffective power in the true compression approach can be lowered by reducing the compression ratio of each stage, so that the sum of the energy essential for multi-phase compression is significantly less than that of solitary-phase compression Needed energy.
two. The intermediate warm oil cools and minimizes the temperature of the gas getting into the next phase. All the gas compression procedure is actually the process of the friction amongst the fuel and the shifting elements and currently being compressed by it.
In the presence of friction, the gas will rise in temperature because of to friction, and there will inevitably be a pattern of shadow accounts. This portion of CZPT will be launched in the type of drive in the mounted quantity of air compression by growing its very own strain.
The temperature rise of the fuel increases the pressure of the gas alone for the duration of the compression approach and boosts the compression ratio. Consequently, it is needed to pay additional electrical power to push the gear to shrink the air to the wanted force worth. For that reason, the two-stage screw compressor is supplied with a coolant injection curtain gadget.

Q1: What is the rotor speed for the air stop?
A1: 2980rmp.

Q2: What’s your lead time?
A2: usually, 5-7 days. (OEM orders: 15days)

Q3: Can you offer water cooled air compressor?
A3: Yes, we can (normally, air cooled variety).

This fall: What’s the payment term?
A4: T/T, L/C, Western Union, etc. Also we could accept USD, RMB, and other currency.

Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.

Q6: What is your guarantee for air compressor?
A6: One year for the total air compressor(not such as the usage spare components) and technical supports can be provided according to your demands.

Q7: Can you take OEM orders?
A7: Sure, OEM orders are warmly welcome.

Q8: How about your customer service and after-sales service?
A8: 24hrs on-line support, 48hrs problem solved promise.

Q9: Do you have spare parts in stock?
A9: Yes, we do.

Q10: What kind of initial lubrication oil you used in air compressor?
A10: TOTAL 46# mineral oil.

If you have any questions, remember to will not hesitate to speak to us. Thanks!  


Choosing the Proper Air Compressor For Your Property

You will locate that air compressors are indispensable equipment for a assortment of scenarios, which includes garages, residence workshops, and basements. These equipment can electricity a range of tools, and every single design is sized to suit the work at hand. Simply because air compressors have only 1 motor, they are light-weight, compact, and effortless to take care of. Making use of one air compressor to energy numerous resources will also reduce the dress in and tear on person parts. This article will introduce some important traits to appear for when selecting the right air compressor for your residence.

Positive displacement

A optimistic displacement compressor applies stress to a fluid, whereas a centrifugal 1 does the reverse. A constructive displacement compressor results in the desired force by trapping air and escalating its volume. Its discharge valve releases the large-pressure gas. These compressors are used in industrial apps and nuclear electrical power crops. The distinction amongst a optimistic and damaging displacement compressor is that a good displacement compressor can compress and release air at a constant fee.
A positive displacement air compressor makes use of a reciprocating piston to compress air. This reduces 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 resources. Constructive displacement air compressors have a number of inlet ports and have many configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A good displacement air compressor is various from a dynamic compressor. It attracts air into the compression chambers and then releases the stress when the valve is opened. Good displacement compressors are frequent in industrial programs and are accessible in solitary-performing, double-performing, and oil-lubricated designs. Large piston compressors have ventilated intermediate parts and crossheads on gudgeon pins. Smaller sized types have permanently sealed crankcases with bearings.

Oil-totally free

Oil-cost-free air compressors have some benefits above their oil-lubricated counterparts. They do not demand lubrication oil simply because they are coated with Teflon. The material has one particular of the most affordable coefficients of friction and is layered, so it slides previous other levels with tiny energy. Since of this, oil-cost-free compressors are likely to be cheaper and still provide equivalent overall performance. Oil-cost-free compressors are a great selection for industrial applications.
The lifestyle of an oil-free air compressor is drastically longer than an oil-lubricated counterpart. These types can operate up to 2,000 hrs, four occasions more time than the average oil-lubed compressor. Oil-cost-free compressors also have a substantially reduce operating noise than their oil-lubricated counterparts. And since they never need oil modifications, they are quieter. Some even very last up to 2,000 hours.
An oil-cost-free air compressor is a great option if your software requires high stages of purity. Many apps demand extremely-pure air, and even a drop of oil can trigger product spoilage or damage to manufacturing products. In addition to the wellness dangers, an oil-free air compressor reduces the costs related with oil contamination and minimizes leaks. It also eradicates the need to have for oil collection, disposal, and treatment.
A normal oil-cost-free air compressor is very effective, requiring only about 18% of the complete load horsepower. Even so, oil-free compressors have a larger chance of untimely failure and are not suggested for huge-scale industrial purposes. They could also use up to 18% of the compressor’s total capacity. They could seem attractive, but you need to make positive you realize the advantages of an oil-cost-free air compressor ahead of picking one for your industrial applications.


A single-stage air compressor is made to supply the energy for a one pneumatic device or unit. These devices are normally more compact than two-stage compressors and make much less warmth and energy. These equipment are not created for weighty-duty industries, but they are even now very effective for a selection of programs, like vehicle shops, gasoline stations, and numerous manufacturing crops. They can also be employed in borewells, as they are suited for modest spaces with minimal air stream specifications.
A single-stage air compressor has a single cylinder and two valves – the inlet and the shipping and delivery valves. The two of these valves function mechanically, with the inlet valve controlling torque and the supply one managing air pressure. Generally, solitary-phase compressors are run by a fuel engine, but there are also electrical types available. The solitary-phase air compressor is the most widespread kind of air compressor. It has a single cylinder, 1 piston, and one air cylinder.
The solitary-phase air compressors are utilized for tiny projects or personal use. A two-phase air compressor is far more powerful for industrial projects. Its for a longer time air end life tends to make it more successful. It is also more efficient for use in the automotive market, in which the engine has a lot of cylinders. In basic, one-phase compressors demand a greater electricity degree. The solitary-stage design is best for modest tasks, whilst a two-stage one is appropriate for more substantial-scale arsenals.


The cubic foot-for every-minute (CFM) of an air compressor is the output of the equipment. In order to estimate the CFM amount, start by seeking at the compressor’s specs. You need to know how several cubic feet the device can maintain and how numerous pounds for each square inch it can compress. When you have these information, you can calculate the CFM. Now you can use these quantities to decide on an acceptable air compressor for your requirements.
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 make much more than 10 CFM. You can also consider connecting two output valves. Make confident that the settings are altered effectively ahead of you get started. This will make certain that your air compressor is functioning at its maximum effectiveness and lifespan. To increase the CFM of your air compressor, very first check out that your regulator is calibrated for the wanted force degree.
To compute the CFM of an air compressor, 1st decide the tank volume of the device. Then, multiply this volume by the time it normally takes 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 choose a suitable air compressor. If you’re doing work in a confined region, you ought to acquire a tool with a large tank.


The PSI of an air compressor is the force that it can output. A common air compressor has a gauge linked to the airline at the base, following to it, or between the two. The gauge tells the actual pressure of the air compressor, although the reduce-out stress is determined by the producer. The company endorses that you established the reduce-out force twenty to forty PSI larger than the manufacturing facility suggested strain. If you want to established the pressure for your nail gun, you can use the lower-in and cut-out pressures on your compressor, and the tank will not exceed this selection.
The PSI of an air compressor actions the force that it can provide, which is frequently in pounds per square inch. For most air instruments, you need at minimum forty to 90 psi. In standard, reciprocating air compressors work on an on/off foundation. This relationship is identified as the duty cycle. All air compressors are rated for a specific obligation cycle, these kinds of as fifty % on and 20-5 percent off.
The Psig of an air compressor is not totally free, as numerous folks imagine. The PSI of an air compressor is not free of charge, but it is essential to sustain it for safe operations. If you’re possessing trouble preserving a consistent strain, take into account turning down the PSI of your compressor by 2 psig. This will figure out the essential stress for the equipment. You may also enhance the sum of vitality in the program by one particular per cent.

Power resource

The power supply for an air compressor is crucial in its operation. With no the proper voltage and amperage, air compressors will not operate appropriately. The electricity resource have to be shut to the compressor so that it can plug into an electrical outlet. If it is as well far from the outlet, the compressor could not be ready to develop sufficient pressure. When this transpires, the fuse inside of the air compressor will switch off to defend the person. The electricity resource ought to be a protected length from the compressor.
Most manufacturers do not specify the power resource for an air compressor. Based on the horsepower, the compressor will call for approximately four amps of energy. A a single-horsepower compressor would draw about twelve amps. If it ended up run by a standard 120-volt family source, its motor would exceed the 15-amp breaker potential. A more substantial air compressor, however, will need a independent 15-amp energy source, making it impossible to use it with this sort of energy source.
The power supply for an air compressor is generally electrical alternating current (AC) that is equivalent to the voltage on a regular wall outlet. A three-stage air compressor, on the other hand, demands a particular AC offer with a few electrical offset pulses. Irrespective of the variety of air compressor, the electrical power resource should be compatible with the incoming electrical power services. A single of the most widespread issues when making an attempt to link an air compressor to an AC power source is undersized wire. This benefits in lower voltage and substantial amperes, tripping of more than-load relays and blown fuses.

China Standard Low Vibration High Efficiency 300HP 220kw Two Stage Screw Air Compressor     with Good qualityChina Standard Low Vibration High Efficiency 300HP 220kw Two Stage Screw Air Compressor     with Good quality