China Hot selling Factory Direct Sale 7.5HP-840HP3-16baroil Less/Oil Free Stationary Rotary Screw Air Compressor portable air compressor

Product Description

factory direct sale 7.5hp-840hp3-16baroil less/oil free stationary Rotary Screw Air Compressor 

1. Photo of core components  for our Twin Rotary screw air compressor :
Low noise High quality 3 PH AC power 15/18/22/30/37/45/55/75/90/110/132kw Direct Driven Variable Frequency Rotary Screw Air Compressor with oil cooled PM motor

2. Product Description & advantages  for GREAT PM variable speed screw air compressor:

  1. Oil cooling high efficiency permanent magnet motor
  2. Insulation grade F, protection grade IP54,adapt to the high dusty environment. IE4 Efficiency motor efficiency.
  3. Max.RPM 1500,low noise, high efficiency, better life-span.
  4. Split design, easy maintenance. Easy for installation and service.
  5. Without gearbox design, motor is connected directly with rotor through the coupling, high transmission efficiency.
  6. Low temperature rise, independent cooling fan design, so that the motor cooling is not affected by the speed regulation.
  7. With PT100 temperature protection switch to avoid high temperature degaussing.
  8. Large speed range, high precision and large adjustment range.
  9. Premium Magnetic material resist more than 180ºC temp
  10. Fantastic Energy Saving, save up to more than 30-40%

    Inverter :
1. dual variable frequency inverter
2.Dual variable frequency system: permanent magnet motor variable frequency + cooling fan motor variable frequency , one-piece integrated structure, extreme energy saving.
3.Constant pressure air supply: the supply pressure is precisely controlled under 0.01 MPa.
3.Constant temperature air supply: constant temperature set at 85 ºC, with the best lubrication
4.Eliminates empty load, reduces the empty load energy consumption by 45%.
Eliminate overpressure
5.Large Frequency range 30%~ 100%
6.Vector air supply, accurate calculation, ensure that the air flow of Compressor is consistent with the demand of the user system.

  Intelligent control system :

1.Direct display: discharge temperature, discharge pressure, operating frequency, current, power, running state, etc.
2.Real-time monitoring of discharge temperature, discharge pressure, current, frequency fluctuation.
3.Optional the Internet of things module, external cloud intelligent management system, realize the functions such as remote start-stop and remote online monitorin

Advantages / why choose the PM VSD screw air comrpessor ? 

The permanent magnet motor remains high efficiency at low speeds, ensuring obvious energy-saving advantages in small air volume
-Frequency range from 0%-100%(common conversion from 60%-100%)
-Compared with the fixed speed compressor, energy saving 22%-40%
-Compared with the common inverter compressor, energy saving 5%-15%
System volume fluctuations larger, the energy-saving effect more obvious.

3.Technical  Parameters for Wholesale 7-13 Bar Best Price Quiet Stationary Electric AC power Variable Frequency Direct Drive Oil Type Pm VSD Inverter Rotary Twin Screw Air Compressor :


Model Working pressure (Bar) Flow Air Capacity (m3/min) Power (Kw) Noise (dBa) Dimensions (mm) Outlet pipe size Weight (Kg)
TKLYC-7F 7/8/10 1.23/1.16/1.02 7.5 65±3 840*670*925 G3/4 350
TKLYC-11F 7/8/10 1.65/1.62/1.4 7.5 65±3 1000*820*1145 G3/4 390
TKLYC-15F 7/8/10 2.65/2.24/2.1 15 65±3 1300*850*1257 G1 410
TKLYC-18F 7/8/10 3.1/3.0/2.7 18.5 65±3 1300*850*1257 G1 440
TKLYC-22F 7/8/10 3.8/3.7/3.3 22 65±3 1300*850*1258 G1 650
TKLYC-30F 7/8/10 5.3/5.1/4.5 30 68±3 1600*1100*1430 G1 1/2 800
TKLYC-37F 7/8/10 6.7/6.5/5.7 37 68±3 1600*1100*1430 G1 1/2 850
TKLYC-45F 7/8/10 8.6/8.0/7.1 45 68±3 1600*1100*1430 G1 1/2 900
TKLYC-55F 7/8/10 10.3/10.1/9.3 55 72±3 1750*1150*1500 DN50 1650
TKLYC-75F 7/8/10 14.0/13.5/12.5 75 72±3 1750*1150*1500 DN50 1800
TKLYC-90F 7/8/10 17.2/15.9/14.0 90 72±3 2000*1150*1680 DN50 1950
TKLYC-110F 7/8/10 21.4/19.9/18.1 110 73±3 2300*1540*1900 DN80 2500
TKLYC-132F 7/8/10 24.6/23.8/22.1 132 73±3 2300*1540*1900 DN80 2600
TKLYC-160F 7/8/10 28.7/27.1/25.2 160 75±3 2900*1540*2120 DN80 3600
TKLYC-185F 7/8/10 33.5/30.5/27.0 185 76±3 3100*1940*2389 DN80 4200
TKLYC-200F 7/8/10 36.5/33.5/30.6 200 78±3 3100*1940*2389 DN100 4400
TKLYC-250F 7/8/10 45.3/43.0/38.1 250 78±3 3400*2050*2330 DN100 4900


4. Certificate for Wholesale 7-13 Bar Best Price Quiet Stationary Electric AC power Variable Frequency Direct Drive Oil Type Pm VSD Inverter Rotary Twin Screw Air Compressor :


6.Packing &Shipping:

7. FAQ:
Q1: Are you factory or trade company?  
A1: We are factory.
Q2: Warranty terms of your machine? 
A2: One year warranty for the machine and technical support according to your needs.
Q3: Will you provide some spare parts of the machines? 
A3: Yes, of course.
Q4: How long will you take to arrange production? 
A4: 380V 50HZ we can delivery the goods within 20 days. Other voltage we will delivery within 30 days.
Q5: Can you accept OEM orders? 
A5: Yes, with professional design team, OEM orders are highly welcome!

8. our factory :

9. Exhibition:

10 .Our Service 

10.1  After-sale Service
• Any questions or requests before, during or after sales, we would like to help you any time and will find you the best solution in 24 hours.
• Warranty: One year for the whole machine 2 year for air end , and spare parts will be provided with best price.
• Over board engineer service is available.

10.2  Special Customized Service
  1) Full OEM
• Quantity: at least 5 pcs
• In this plan, we will do all the changes (Color, name plate and logo) as your need, and will not charge extra fee.
  2) Half OEM
• Quantity: no limit
• Under this program, we can make the necessary alteration (name plate and logo) but we will charge some extra fee for the name plate, as the name plate factory has the MOQ.
 3) Logo OEM
  • Quantity: no limit
• Only the logo will be changed to yours, and no extra fee will be charged.

10.3  Overseas Engineer Service
• We are available to send our engineer for aboard service. Only need you to arrange the accommodation, transportation and translator. Extra cost for each will be discussed based on local price level



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After-sales Service: Online Techinal Support
Warranty: 12-24 Month
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical


air compressor

What Is the Role of Water Separators in Water-Lubricated Compressors?

In water-lubricated compressors, water separators play a crucial role in maintaining the integrity and performance of the compressed air system. Here’s a detailed explanation of their role:

Water separators, also known as moisture separators or condensate separators, are components within the compressed air system that are specifically designed to remove water or moisture from the compressed air stream. They help ensure that the compressed air remains dry and free from excessive moisture, which can cause various issues in the system and downstream equipment.

The primary role of water separators in water-lubricated compressors is to separate and remove water that is present in the compressed air due to the compression process and condensation. Here’s how they accomplish this:

  1. Condensate Separation: During the compression of air, moisture present in the air is compressed along with the air molecules. As the compressed air cools down after the compression stage, the moisture condenses into liquid form. Water separators are designed to efficiently separate this condensate from the compressed air stream, preventing it from entering downstream equipment, pipelines, or end-use applications.
  2. Gravity and Centrifugal Separation: Water separators utilize various separation principles to separate the condensate from the compressed air. Gravity-based separators rely on the difference in density between the water droplets and the compressed air to allow the water to settle at the bottom of the separator, where it can be drained out. Centrifugal separators use centrifugal force to spin the air and water mixture, causing the water droplets to be thrown outwards and collected in a separate chamber.
  3. Coalescing and Filtration: Water separators often incorporate coalescing and filtration mechanisms to enhance their efficiency. Coalescing filters are used to capture and merge small water droplets into larger droplets, making it easier for the separator to separate them from the compressed air. Filtration elements, such as fine mesh or media, may be incorporated to remove any remaining water droplets or particulate matter that could potentially pass through the separator.
  4. Automatic Drainage: To ensure continuous and efficient operation, water separators are equipped with automatic drain valves. These valves periodically or on demand, expel the collected condensate from the separator. Automatic drainage prevents the accumulation of water in the separator, which can lead to reduced separation efficiency, increased pressure drop, and potential damage to downstream equipment.

By effectively removing water and moisture from the compressed air stream, water separators help prevent issues such as corrosion, clogging, freezing, and degradation of pneumatic equipment and processes. They contribute to maintaining the quality and reliability of the compressed air system while protecting downstream components and applications from the negative effects of moisture.

It is important to note that proper sizing, installation, and maintenance of water separators are essential to ensure their optimal performance. Regular inspection and maintenance of the separators, including draining the collected condensate, replacing filtration elements, and checking for any leaks or malfunctions, are necessary to ensure the efficient operation of water-lubricated compressors and the overall compressed air system.

air compressor

How Do Water-Lubricated Air Compressors Compare in Terms of Maintenance Costs?

When comparing water-lubricated air compressors to other types of compressors, there are several factors that can influence the maintenance costs. Here’s a detailed explanation of how water-lubricated air compressors compare in terms of maintenance costs:

Initial Investment:

  • Higher Initial Cost: Water-lubricated air compressors tend to have a higher initial cost compared to oil-lubricated compressors. This is primarily due to the additional components required for the water-lubrication system, such as water pumps, filters, and separators. The higher initial investment can impact the overall cost of the compressor system.

Lubrication System Maintenance:

  • Water Treatment and Filtration: Water-lubricated compressors may require additional maintenance for water treatment and filtration systems. Regular monitoring, maintenance, and replacement of filters or treatment media are necessary to ensure the water quality remains suitable for lubrication. The cost of water treatment and filtration maintenance should be considered in the overall maintenance costs.
  • Water Quality Monitoring: Monitoring the quality of the water used in water-lubricated compressors is crucial. This may involve periodic water analysis, temperature monitoring, and water chemistry checks. The cost of water quality monitoring should be factored into the maintenance costs.

Component Lifespan and Replacement:

  • Extended Component Lifespan: Proper water-lubrication and cooling can contribute to the extended lifespan of compressor components. Reduced friction, effective cooling, and contaminant control can minimize wear and damage to components, leading to lower replacement costs over time. Water-lubricated compressors may have advantages in terms of component longevity, potentially reducing the frequency of component replacements.

Corrosion Prevention:

  • Corrosion Protection Measures: Water-lubricated compressors require corrosion prevention measures due to the presence of water within the system. Corrosion-resistant materials, coatings, or regular maintenance procedures are necessary to prevent corrosion-related issues. The cost of implementing and maintaining corrosion protection measures should be considered in the overall maintenance costs.

Overall, the maintenance costs of water-lubricated air compressors can vary depending on factors such as the specific design and components of the compressor, the quality of the water used, the effectiveness of water treatment and filtration systems, and the implementation of corrosion prevention measures. While water-lubricated compressors may have higher initial costs and additional maintenance requirements, they can potentially offer advantages in terms of extended component lifespan, reduced component replacements, and effective lubrication. It is important to consider these factors and consult the manufacturer’s guidelines to accurately assess the maintenance costs associated with water-lubricated air compressors.

air compressor

Advantages of Using Water as a Lubricant in Air Compressors

Water can be used as a lubricant in air compressors, offering several advantages over traditional lubricants such as oils or synthetic lubricants. Here are some of the advantages:

  1. Cost-effective: Water is a readily available and inexpensive resource, making it a cost-effective lubricant option for air compressors. Compared to oils or synthetic lubricants, water is significantly cheaper, which can result in cost savings for businesses and industries that heavily rely on air compressors.
  2. Environmentally friendly: Water is a non-toxic and environmentally friendly lubricant. It does not contain harmful chemicals or pollutants that can contribute to air or water pollution. Using water as a lubricant in air compressors reduces the risk of contamination and minimizes the environmental impact associated with traditional lubricants.
  3. Improved heat dissipation: Water has excellent heat transfer properties. It can absorb and dissipate heat more efficiently compared to oils or synthetic lubricants. Air compressors generate heat during operation, and using water as a lubricant helps to dissipate this heat effectively, preventing overheating and prolonging the lifespan of the compressor.
  4. Reduced fire hazard: Compared to oils or synthetic lubricants, water has a significantly higher flash point, which means it is less likely to ignite or contribute to fire hazards. This fire-resistant property of water makes it a safer lubricant choice, especially in environments where fire safety is a concern.
  5. Lower maintenance requirements: Water does not leave behind sticky residues or deposits, as some oils or synthetic lubricants might. This characteristic reduces the maintenance requirements of air compressors. It simplifies the cleaning process and reduces the frequency of lubricant changes, resulting in reduced downtime and maintenance costs.

Overall, using water as a lubricant in air compressors can offer significant advantages in terms of cost-effectiveness, environmental friendliness, heat dissipation, fire safety, and maintenance requirements.

China Hot selling Factory Direct Sale 7.5HP-840HP3-16baroil Less/Oil Free Stationary Rotary Screw Air Compressor   portable air compressorChina Hot selling Factory Direct Sale 7.5HP-840HP3-16baroil Less/Oil Free Stationary Rotary Screw Air Compressor   portable air compressor
editor by CX 2024-04-22