China Custom “Great” 280kw/381HP Air Cooling Dry Type Oil-Free Double Screw Air Compressor, 0.75~1.05MPa near me supplier

Merchandise Description

The Fantastic Oil-Totally free Double Screw Air Compressor there are different versions to choose from: the motor electrical power from 55kw to 355Kw, the operating stress from .75Mpa to 1.05Mpa, the movement capacity from 8.0m³/min to 58.4m³/min. We can also personalize according to your demands. This kind of air compressor is suited for the sector which want extremely substantial-good quality compressed air.

A. The Photo for Oil-Free Double Screw Air Compressor:

B. Products Introductions & Rewards for Oil-Free Double Screw Air Compressor:

Oil-totally free compressed air is used to all walks of life which have a serious impact on the closing solution and manufacturing method, this kind of as aerospace, spraying, foodstuff and beverage, pharmaceutical, petrochemical, semiconductor and electronic merchandise, health-related, automotive spray, textile, and so forth. In these severe programs, even tiny amounts of oil can result in undesirable items to show up and even quit generation. Over the past ten a long time, the Great compressor has been checking out the improvement of oil-cost-free compressed air technology, and has launched a amount of oil-free of charge air compressors to give 100% pure air for clients. Through ongoing analysis and improvement, the Wonderful compressor has produced a new HangZhoustone, turning into the company of the Course certification, which defines the new normal for the purity of compressed air.

The features of oil-cost-free screw air compressor:

one. The air high quality of the safe and oil-cost-free is strictly dependent on the ISO 8573-1 Course (2571) common, and there is no compromise on the ultimate compressed air purity, making certain the air pollution-free chance.
two. The first imported air stop, huge rotor, minimal speed, complete device functionality is superb. Rotor by the dynamic and static stability take a look at strictly, make it operate far better stability, much less vibration, decrease sound, at the exact same time below the problem of the same diameter, the size of the rotor raises, efficient compression quantity increase, so as to accomplish targeted traffic enhance, lessen energy intake.
three. Bearing: in get to make certain the bearing to bear high velocity and big load, the screw compressor adopts the high-good quality bearing of CZPT brand name, which retains the long bearing daily life.
four. The shaft seal device: the double ring fluorine rubber ring with steel body can with stand certain stress to kind a lubricating shaft sealing unit. The linings on the shaft are specifically processed by our company, with ideal sealing functionality and lengthy support lifestyle.
5. Systematic design and style: the complex personnel to the method optimization design and style to make the device procedure fault tremendously lowered, the air quantity is far more secure, CZPT consumption than the advanced ranks of the friends.
6. The entire machine is created with reduced sound.

C. Part Particulars for Oil-Free of charge Double Screw Air Compressor:

D. The Technical Parameters of Oil-Cost-free Double Screw Air Compressor:

E. Applications:

F. Certification:

G. Packing:

H. Company Profile:

I. Our Provider:

1. After-sale Services
    1). Any concerns or requests ahead of, throughout or right after sales, we would like to assist you any time and will discover you the very best remedy in 24 several hours.
    2). Warranty: 1 12 months for the complete device 2 yr for air end , and spare areas will be presented with ideal price.
    3). In excess of board engineer support is obtainable.

two. Special Personalized Services
    1) Full OEM
      • Amount: at least 5 pcs
      • In this strategy, we will do all the adjustments (Shade, identify plate and logo) as your require, and will not charge additional charge.
    2) 50 % OEM
      • Quantity: no limit
      • Under this software, we can make the required alteration (name plate and symbol) but we will cost some additional payment for the title plate, as the identify plate factory has the MOQ.
    3) Symbol OEM
      • Quantity: no restrict
      • Only the emblem will be changed to yours, and no added payment will be billed.

three. Overseas Engineer Service
    We are accessible to deliver our engineer for aboard service. Only require you to prepare the lodging, transportation and translator. Further cost for every will be mentioned based mostly on local value stage.


Q1: Are you manufacturing unit or trade firm?
A1: We are factory. And we have ourselves investing business. 

Q2: What the exactly handle of your manufacturing unit?
A2: Our organization is positioned in the West of the cross of Yijing road and Siwei street, Xihu (West Lake) Financial Development Spot, ZheJiang , 300300, China

Q3: How about the warranty phrases of your device?
A3: One yr for the whole machine and 2 several years for screw air conclude, and complex help in accordance to your needs.
This autumn: Will you give some spare components of the equipment?
A4: Indeed, of training course.
Q5: What about merchandise package?
A5: We will pack the goods strictly with normal wood carton.
Q6: Can you customized the voltage of merchandise?
A6: Sure, the voltage can be custom-made according to your prerequisite.

Q7: How lengthy will you get to prepare production?
A7: 380V 50HZ we can shipping and delivery the merchandise inside 7-fifteen days. Other electrical energy or other coloration we will delivery inside of fifteen-twenty times.
Q8: Which payment phrase can you settle for?
A8: T/T or L/C.
Q9: Which trade phrase can you settle for?
A9: Accessible trade conditions: FOB, CIF, CFR, EXW, CPT, etc.

Q10: Can you use our brand?
A10: Yes, with skilled design and style crew, the OEM orders are very welcome.

The Air Compressor Is a Flexible Instrument

The Air Compressor is one particular of the most versatile instruments in any garage or workshop. It is straightforward to use and can perform a selection of responsibilities, from jackhammering to drilling. These machines are accessible in a extensive assortment of measurements and types, making it an exceptional decision for a selection of circumstances. With a single motor, you no lengthier need individual motors for each and every tool. Its lightweight, compact design and style helps make it straightforward to deal with, and the one motor also lowers wear on parts.


Oil-injected air compressors require a huge quantity of lubricant, which wants to be extra to the sump regularly to preserve ideal performance. As there are numerous varieties of industrial fluids, a well-intentioned servicing technician might incorporate the mistaken lubricant to the compressor. If this occurs, the compressor will become incompatible with the lubricant, ensuing in extreme carryover and the want to flush and change downstream air treatment method elements.
Generally, the G 110-250 oil-injected rotary screw compressor from Atlas Copco offers dependable compressed air, stopping high priced downtime. The G110-250 oil-injected rotary screw compressor is highly dependable and sturdy, enabling it to perform in temperatures up to 46degC/115degF. Even with the oil-injected air compressor’s robust design and style, this device needs quite tiny on-internet site installation, and it characteristics straightforward operation.
The primary gain of oil-injected air compressors is the decreased cost of working. The price of oil-cost-free compressors is much less than fifty percent of that of oil-injected types, and it will need much less maintenance expenses in the long run. In addition, the oil-free of charge system is a lot more environmentally friendly than oil-injected air compressors. But the downsides of oil-injected air compressors are significant, way too. It can contaminate finished merchandise and lead to a important financial danger for the maker.
An oil-injected rotary screw air compressor offers several advantages more than its counterpart. First, it functions an modern vertical style with variable-speed travel, making it possible for it to run more successfully. Next, oil-injected air compressors minimize vitality consumption by up to fifty% in contrast to non-oil-injected air compressors. They also have a thermostatic valve, permitting them to keep an optimum temperature. Thermostatically-controlled oil coolers allow the compressor to operate much more quietly.


What is an oil-free air compressor? The title refers to a type of air compressor that does not include oil in the compressor chamber. Oil-free of charge air compressors still use oil for different functions, like lubricating the transferring elements and controlling waste warmth. Even so, numerous individuals do not comprehend that their air compressor nonetheless requires oil for appropriate performing. This article will discover why this variety of air compressor is preferable for numerous consumers.
First of all, oil-totally free air engineering has numerous benefits. For 1, it decreases the vitality cost included in filtering air, and it minimizes leaks. In addition, it also lowers the oil expenses related with compressor refills. And lastly, it reduces the hazards of contamination. Oil-cost-free air engineering is the future of compressed air. If you are seeking for an oil-free of charge air compressor, here is what to appear for in your research.
Relying on the goal of your air compressor, it could be beneficial to invest in an oil-totally free air compressor. Oil-lubricated air compressors are typically a lot more tough than their oil-free counterparts, but they may price twice as a lot. You ought to even now take into account the price of ownership just before acquiring an oil-totally free compressor. The oil-free types can be simpler to transportation, and they are a lot more strong. Additionally, they’re quieter than oil-lubed types.
An oil-free air compressor also implies much less maintenance, as it does not want oil to function. This kind of air compressors also characteristics less transferring areas, which signifies less places for difficulties to create. All oil-free of charge air compressors are created to meet ISO Class and 1 air purity requirements. They also have much less noise and vibration compared to their oil-primarily based counterparts. So, why not choose an oil-cost-free air compressor for your organization?


When selecting a fuel-driven air compressor, it really is critical to contemplate the positive aspects of gasoline. This energy source can power a huge air compressor with out electricity. However, this kind of air compressor lacks electrical hookup, so you are going to need to run an extension wire if you need to have to use it at a length. Even so, gas compressors are able to operate with just a gas tank. This can make them best for medium to heavy-obligation industrial programs.
One more important consideration when picking a fuel air compressor is its size. Bigger compressors are generally greater than portable types and call for far more area. This helps make them less difficult to transportation and function on the go. Nonetheless, if you’re not confident which variety of air compressor is very best for you, think about the fuel-driven versions. While they could be lighter, they never operate as easily as their electric powered counterparts. Gasoline-run compressors are not as moveable as their electric powered counterparts and call for correct routine maintenance.

Electric power

Electrical power in an air compressor is not cheap. A 25 HP air compressor runs for ten several hours every working day, 5 days a week. The motor in these equipment consumes 746 watts for every hour. To locate out how much electrical power the equipment utilizes, multiply the wattage by the working time. For case in point, if the compressor operates for 3 several hours, then it will use 1.9 kilowatt several hours of electrical power. To determine how significantly electrical power an air compressor utilizes for every working day, you can calculate the kilowatt hrs and multiply the amount by the utility charge. Considering this, you can determine the price of operating your air compressor after for each thirty day period.
The value of working an air compressor is dependent on the kind of compressor. Electric air compressors are usually silent and can operate without any maintenance. These equipment can be remaining unattended for up to 4 thousand several hours ahead of necessitating fix. Electrical air compressors call for greater electrical power for increased pressure, so you ought to prepare accordingly. No matter whether or not you want a servicing go to is up to you, but the benefit of not having to devote a fortune on repairs is priceless.
Even though compressed air is not an energy-productive source, its use in a variety of apps could conserve you cash and kilowatts. Given that an air compressor employs energy when it is running, the cost is reduce than the cost of working a energy tool. If you program to use your air compressor for a extended time, make confident that it is taken care of appropriately. Proper care will preserve you income and power, and you might even be ready to get an extended warranty if the compressor breaks down.

Variable frequency generate

The major goal of a variable frequency push (VFD) in an air compressor is to decrease strength usage in the procedure of compression. A one motor drag system are not able to change its velocity continuously in accordance to the fat of the load. By applying frequency handle to the compressor, the power intake can be lowered even though keeping the same pressure amount. Consequently, a VFD is an excellent selection for compressors. Its rewards are several.
A VFD can also keep track of the temperature of the motor and ship mistake indicators if the motor is operating too very hot or also chilly. This gets rid of the need to have for a separate sensor to keep an eye on the oil pressure. These functions are useful not only in lowering power consumption, but also in improving the performance of an software. In addition, a VFD can keep track of extra variables this kind of as temperature and motor speed. That’s why, it is a valuable expenditure.
When utilizing a VFD, it is critical to select the proper motor. The velocity of the compressor must be inside of the highest starting restrict of the motor. The air tank may possibly be of any size, but a continuous stress restrict is necessary to maintain the VFD running inside the support aspect of the motor. In addition to a VFD, a master controller should also consist of a remote strain established stage and a PID card for a master controller. The transmitter should incorporate all beneficial information from the VFD, including the velocity and the oil temperature. The VFD need to be analyzed just before it is built-in with the master manage. It should be analyzed for min and max speed, temperature, and existing in the envisioned selection.
The use of a VFD in an air compressor has a lot of positive aspects. A single of the most notable is the reduction in electricity consumption. Set-speed compressors operate on established points of 6 to seven bar. An additional bar of compression employs 7 percent of energy. This power is squandered. A VFD-run air compressor can also increase the existence span of compressor elements. It is 1 of the very best investments in your compressor. So, why wait around any more time?