China OEM 75HP Lubricated VSD\VFD Variable Frequency Rotary Screw Air Compressor with Free Design Custom

Item Description

Electric Inverter Variable Speed Screw Air Compressor Positive aspects

DENAIR VSD (Variable Velocity Drive) rotary screw air compressors are suitable for customers who want various amount of air provide and really correct stress. It can facilitate customers to enhance manufacturing procedure and improve efficiency.
The basic principle of VSD is to adjust the motor rotation velocity immediately in accordance to the genuine air demand. The diminished program pressure decreases the total CZPT consumption of the total program, which can reduce CZPT charges by 35% or much more. 
The VSD air compressor reduces the CZPT use by means of the subsequent details:

1. Removing the reduced effectiveness transformation procedure from the total loading to unloading
two. Keeping away from the electricity throughout the unloading process
3. Maintaining the CZPT strain fall below .1bar
4. Lowering the common operating pressure
5. Decreasing the program strain to decrease the method leakage
six. The gentle starting up method increases the existing balance and avoids the recent surge
seven. A flexible choice from 4 to 13bar which decreases the power use most.

Technical Parameters Of Variable Speed Screw Air Compressor 

*)Trend in accordance with ISO 1217 : 2009, Annex C: Absolute consumption stress 1 bar (a), cooling and air consumption temperature 20 °C
**) Sound amount as for each ISO 2151 and the simple common ISO 9614-2, operation at highest working force and optimum velocity

DENAIR Factory

Why Choose DENAIR?

DENAIR Hannover Messe 2017

We carefully selected for you the classic circumstance

DENAIR Air Compressor in Russian Auto Manufacturing unit

Project Identify: Russian auto factory.

Merchandise Identify and Design: Screw air compressors DVA-250 *1, DA-250 *3, DA-90 *1, DVA-90 *1. Refrigerant air dryer Dad-50HTF *1, Father-15HTF *1. Adsorption dryer Father-60MXF*1.

Doing work time: From June, 2016 until now.

Celebration: DENAIR created special compressor products for automobile factory in Russia. All compressors can be managed by 1 computer utilizing Metacentre control method.

In the factory will be generate Chinese brand name automobiles. We attempt our best to make observation “Created in China ” associate not with low-cost cost, but with large top quality, innovation and grate security.


Q1: Are you manufacturing facility or trade organization?  
A1: We are manufacturing facility.

Q2: What the specifically deal with of your factory? 
A2: Our firm is found in No. 6767, Tingfeng Rd. Xihu (West Lake) Dis.n District, ZheJiang 201502, China
And our manufacturing facility is found in No. 366, YangzhuangBang Street, Pingxing Rd., Xindai City, HangZhou, ZHangZhoug Province, China

Q3: Guarantee phrases of your device? 
A3: Two a long time warranty for the equipment and technical help according to your requirements.

This fall: Will you give some spare areas of the machines? 
A4: Yes, of program.

Q5: How prolonged will you consider to arrange production? 
A5: 380V 50HZ we can shipping and delivery the items inside ten times. Other electrical power or other coloration we will shipping and delivery in 22 times

Q6: Can you take OEM orders? 
A6: Yes, with professional layout team, OEM orders are hugely welcome.

The Air Compressor Is a Flexible Resource

The Air Compressor is one particular of the most functional tools in any garage or workshop. It is simple to use and can execute a range of responsibilities, from jackhammering to drilling. These devices are offered in a vast selection of sizes and sorts, generating it an excellent selection for a variety of scenarios. With a one motor, you no more time need to have different motors for each resource. Its lightweight, compact style tends to make it effortless to manage, and the single motor also reduces wear on areas.


Oil-injected air compressors require a massive sum of lubricant, which demands to be included to the sump frequently to preserve ideal performance. As there are several sorts of industrial fluids, a nicely-intentioned routine maintenance technician may include the incorrect lubricant to the compressor. If this takes place, the compressor will become incompatible with the lubricant, resulting in extreme carryover and the require to flush and exchange downstream air treatment factors.
Generally, the G one hundred ten-250 oil-injected rotary screw compressor from Atlas Copco provides reputable compressed air, stopping costly downtime. The G110-250 oil-injected rotary screw compressor is very trustworthy and sturdy, enabling it to function in temperatures up to 46degC/115degF. Regardless of the oil-injected air compressor’s strong style, this unit calls for quite little on-site set up, and it characteristics simple procedure.
The major benefit of oil-injected air compressors is the decreased price of managing. The expense of oil-totally free compressors is considerably less than half of that of oil-injected kinds, and it will require less servicing costs in the lengthy operate. In addition, the oil-cost-free method is much more environmentally helpful than oil-injected air compressors. But the drawbacks of oil-injected air compressors are considerable, way too. It can contaminate completed merchandise and cause a significant fiscal risk for the manufacturer.
An oil-injected rotary screw air compressor delivers a number of advantages over its counterpart. 1st, it attributes an revolutionary vertical design and style with variable-pace travel, enabling it to run a lot more successfully. Next, oil-injected air compressors reduce vitality intake by up to 50% in comparison to non-oil-injected air compressors. They also have a thermostatic valve, making it possible for them to sustain an the best possible temperature. Thermostatically-regulated oil coolers enable the compressor to run far more quietly.


What is an oil-cost-free air compressor? The title refers to a type of air compressor that does not have oil in the compressor chamber. Oil-free of charge air compressors nonetheless use oil for various purposes, including lubricating the transferring parts and taking care of squander heat. Even so, a lot of people do not recognize that their air compressor still demands oil for correct operating. This article will check out why this type of air compressor is preferable for several end users.
1st of all, oil-cost-free air engineering has numerous positive aspects. For a single, it decreases the power price involved in filtering air, and it minimizes leaks. In addition, it also minimizes the oil costs related with compressor refills. And finally, it reduces the risks of contamination. Oil-free of charge air technologies is the long term of compressed air. If you happen to be hunting for an oil-cost-free air compressor, this is what to search for in your look for.
Dependent on the goal of your air compressor, it could be helpful to make investments in an oil-cost-free air compressor. Oil-lubricated air compressors are generally a lot more tough than their oil-free of charge counterparts, but they may possibly value 2 times as much. You need to even now take into account the expense of ownership ahead of acquiring an oil-free of charge compressor. The oil-totally free versions can be easier to transportation, and they are far more effective. Additionally, they are quieter than oil-lubed versions.
An oil-totally free air compressor also indicates considerably less upkeep, as it isn’t going to need to have oil to function. This variety of air compressors also characteristics much less relocating elements, which indicates fewer locations for issues to produce. All oil-totally free air compressors are created to fulfill ISO Course and 1 air purity requirements. They also have considerably less sounds and vibration compared to their oil-based mostly counterparts. So, why not decide on an oil-cost-free air compressor for your enterprise?


When picking a gasoline-driven air compressor, it’s important to contemplate the positive aspects of gasoline. This vitality source can electrical power a big air compressor with no electric power. Nonetheless, this kind of air compressor lacks electrical hookup, so you may need to have to operate an extension twine if you need to use it at a distance. Even so, gasoline compressors are able to function with just a gas tank. This tends to make them excellent for medium to weighty-obligation industrial programs.
Yet another important consideration when choosing a gas air compressor is its dimensions. Greater compressors are usually larger than moveable ones and need much more room. This tends to make them less complicated to transportation and work on the go. Nevertheless, if you are not confident which kind of air compressor is best for you, consider the gas-powered versions. Although they may possibly be lighter, they will not run as smoothly as their electric counterparts. Gasoline-driven compressors are not as moveable as their electrical counterparts and require suitable upkeep.

Electrical power

Electrical energy in an air compressor is not cheap. A twenty five HP air compressor operates for ten hrs every working day, five times a week. The motor in these machines consumes 746 watts for each hour. To uncover out how significantly electrical power the equipment employs, multiply the wattage by the working time. For illustration, if the compressor runs for three several hours, then it will use 1.9 kilowatt several hours of electricity. To figure out how much electricity an air compressor uses for every day, you can compute the kilowatt hours and multiply the quantity by the utility charge. Thinking about this, you can establish the cost of working your air compressor after for every month.
The expense of running an air compressor depends on the kind of compressor. Electrical air compressors are frequently silent and can operate without any servicing. These equipment can be still left unattended for up to 4 thousand hrs before requiring repair. Electric air compressors need greater energy for increased pressure, so you need to plan appropriately. Whether or not you require a servicing check out is up to you, but the reward of not obtaining to invest a fortune on repairs is priceless.
Despite the fact that compressed air is not an vitality-effective source, its use in a range of apps may possibly save you money and kilowatts. Since an air compressor uses electrical power when it is working, the value is lower than the value of running a electrical power resource. If you plan to use your air compressor for a extended time, make sure that it is maintained appropriately. Proper treatment will conserve you funds and electricity, and you may possibly even be in a position to get an extended guarantee if the compressor breaks down.

Variable frequency drive

The main purpose of a variable frequency travel (VFD) in an air compressor is to minimize energy use in the approach of compression. A solitary motor drag system are not able to change its velocity constantly according to the fat of the load. By implementing frequency management to the compressor, the power consumption can be reduced while maintaining the same stress level. Consequently, a VFD is an superb selection for compressors. Its advantages are quite a few.
A VFD can also keep an eye on the temperature of the motor and send out mistake indicators if the motor is working way too sizzling or too cold. This gets rid of the want for a different sensor to check the oil stress. These capabilities are useful not only in lowering strength intake, but also in strengthening the functionality of an software. Additionally, a VFD can check added variables these kinds of as temperature and motor velocity. That’s why, it is a helpful expenditure.
When making use of a VFD, it is critical to choose the correct motor. The velocity of the compressor should be inside the maximum beginning limit of the motor. The air tank may possibly be of any measurement, but a constant strain restrict is necessary to keep the VFD operating inside the services aspect of the motor. In addition to a VFD, a grasp controller must also contain a distant stress set level and a PID card for a learn controller. The transmitter need to integrate all valuable information from the VFD, such as the pace and the oil temperature. The VFD need to be examined prior to it is built-in with the master handle. It must be analyzed for min and max speed, temperature, and existing inside the anticipated selection.
The use of a VFD in an air compressor has a lot of benefits. A single of the most noteworthy is the reduction in electricity usage. Fastened-pace compressors run on set points of 6 to 7 bar. An extra bar of compression makes use of 7 % of power. This energy is wasted. A VFD-driven air compressor can also boost the existence span of compressor components. It is 1 of the greatest investments in your compressor. So, why wait any more time?

China OEM 75HP Lubricated VSDVFD Variable Frequency Rotary Screw Air Compressor     with Free Design CustomChina OEM 75HP Lubricated VSDVFD Variable Frequency Rotary Screw Air Compressor     with Free Design Custom