China OEM Electric Silent Oil Free 7.5kw 11kw 15kw 22kw 37kw 45kw 55kw 75kw 90kw 110kw 132kw Screw Air Compressor 8bar-13bar with CE manufacturer

Product Description


Product Description

Product Name:Direct Driven Energy Saving PM VSD Screw Air Compressor
Power: 37KW 50HP
Pressure: 8bar
Air Flow: 6.2m3/min
Motor: Permanent Magent IP54 motor
Air End: CHINAMFG Brand
Noise: 70±2dBA
Size: 1250*1000*1340mm
Weight: 700kg


Detailed Photos

Product Parameters

Model Pressure Air Flow Power Noise Air Outlet Size Weight Dimensions
GTA-5.5PM 8bar/116psi 0.6m3/min 4kw/5.5hp 63 G 3/4 110 900*600*850
GTA-7.5PM 8bar/116psi 0.85m3/min 5.5kw/7.5hp 68 G 3/4 120 900*600*850
GTA-10PM 8bar/116psi 1.1m3/min 7.5kw/10hp 68 G 3/4 120 900*600*850
GTA-15PM 8bar/116psi 1.8m3/min 11kw/15hp 70 G 1 200 1000*700*1000
GTA-20PM 8bar/116psi 2.3m3/min 15kw/20hp 70 G 1 200 1000*700*1000
GTA-25PM 8bar/116psi 2.9m3/min 18.5kw/25hp 72 G 1 300 1300*790*1150
GTA-30PM 8bar/116psi 3.3m3/min 22kw/30hp 72 G 1 300 1300*790*1150
GTA-40PM 8bar/116psi 4.7m3/min 30kw/40hp 72 G 1 1/2 320 1300*790*1150
GTA-50PM 8bar/116psi 6.2m3/min 37kw/50hp 72 G 1 1/2 460 1400*950*1310
GTA-60PM 8bar/116psi 6.5m3/min 45kw/60hp 72 G1 1/2 600 1400*950*1310


Company Profile


Q1: Warranty terms of your machine?
A1: One year warranty for the machine and technical support according to your needs.

Q2: Will you provide some spare parts of the machines?
A2: Yes, of course.

Q3: What about product package?
A3: We pack our products strictly with standard seaworthy case.

Q4: Can you use our brand?
A4: Yes, OEM is available.

Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 3-15 days. Other voltage or other color we will delivery within 25-30 days.

Q6: How Many Staff Are There In your Factory?
A6: About 100.

Q7: What’s your factory’s production capacity?
A7: About 2000 units per month.

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After-sales Service: Spare Parts
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Installation Type: Stationary Type


air compressor

Are There Specific Filtration Requirements for Oil-Free Compressors?

Yes, oil-free compressors have specific filtration requirements to ensure the quality and purity of the compressed air output. These filtration requirements are designed to address the unique characteristics of oil-free compressors and the potential contaminants that can be present in the intake air. Here’s a detailed explanation of the specific filtration requirements for oil-free compressors:

1. Pre-Filtration:

Pre-filtration is the first stage of filtration in oil-free compressors and is designed to remove larger particles, such as dust, dirt, and debris, from the intake air. These particles can enter the compressor and cause damage to internal components or affect the performance of downstream filtration stages. Pre-filters typically consist of pleated or mesh filters that capture particles of various sizes. The efficiency of pre-filters is usually specified in terms of their particle size removal capability, such as 5 microns or 10 microns.

2. Coalescing Filtration:

The coalescing filtration stage in oil-free compressors is responsible for removing smaller particles and coalescing water vapor into droplets for subsequent removal. This stage is crucial in ensuring that the compressed air remains free from fine particles and moisture, which can cause contamination and corrosion issues. Coalescing filters are designed with special media that capture and combine small particles and water droplets, allowing them to be easily separated from the compressed air. The efficiency of coalescing filters is typically specified in terms of their particulate removal capability and moisture removal efficiency, such as 0.01 microns and 99.9% respectively.

3. Activated Carbon Filtration:

Activated carbon filtration is often employed as a final stage in the filtration process of oil-free compressors. Activated carbon filters help eliminate odors and absorb any remaining oil vapors or hydrocarbons that might have bypassed the previous filtration stages. These filters contain activated carbon granules with a high surface area, allowing them to adsorb and trap odor-causing compounds and trace amounts of oil vapor. The efficiency of activated carbon filters is typically specified based on their odor removal capacity and oil vapor adsorption capacity.

It’s important to note that the specific filtration requirements for oil-free compressors may vary depending on the application and the desired air quality standards. Industries such as food and beverage, pharmaceuticals, electronics manufacturing, and painting often have more stringent filtration requirements to meet their specific air purity needs. In such cases, additional filtration stages, such as sterile filters or high-efficiency particulate air (HEPA) filters, may be incorporated to achieve the desired level of air quality.

Complying with industry standards and guidelines, such as ISO 8573, can provide guidance on the appropriate filtration requirements for oil-free compressors. These standards define specific limits for contaminants in compressed air, including oil content, particulate matter, and moisture, and can help determine the necessary filtration stages and their efficiency ratings.

By implementing the appropriate filtration requirements, oil-free compressors can ensure that the compressed air produced is clean, dry, and free from contaminants, meeting the specific air quality needs of various applications.

air compressor

How Do You Troubleshoot Common Problems with Oil-Free Compressor Systems?

To troubleshoot common problems with oil-free compressor systems, follow these steps:

1. Check Power Supply:

Ensure that the compressor system is properly connected to a reliable power supply. Check for any tripped circuit breakers or blown fuses. Verify that the power switch is in the “on” position.

2. Inspect Air Filters:

Examine the air filters to see if they are dirty or clogged. Restricted airflow due to dirty filters can cause the compressor to overheat or operate inefficiently. Clean or replace the filters as necessary.

3. Check for Air Leaks:

Inspect the entire compressed air system for air leaks. Leaks can lead to reduced system pressure and inefficient operation. Use a leak detection solution or an ultrasonic leak detector to locate and repair any leaks in the system.

4. Monitor Pressure Gauges:

Observe the pressure gauges on the compressor system. If the pressure is consistently below the desired level, it could indicate a problem with the compressor’s output or a leak in the system. Ensure that the pressure relief valves are not open or malfunctioning.

5. Check for Excessive Heat:

Monitor the temperature of the compressor and associated components. If the system is running excessively hot, it may indicate a problem with cooling or lubrication. Ensure that the cooling fans are operating correctly and that the compressor is receiving proper lubrication, if applicable.

6. Inspect Drains and Condensate Management:

Check the drains and condensate management system for proper functioning. Accumulated condensate can cause issues such as water contamination or pressure drops. Ensure that drains are clear and functioning, and that the condensate management system is operating as intended.

7. Review Maintenance Records:

Refer to the maintenance records of the compressor system. Ensure that routine maintenance tasks, such as filter replacements, oil changes (if applicable), and component inspections, have been performed according to the manufacturer’s recommendations. Lack of proper maintenance can contribute to various issues in compressor systems.

8. Consult Manufacturer’s Documentation:

Refer to the manufacturer’s documentation, such as the user manual or troubleshooting guide, for specific guidance on diagnosing and resolving common problems with the oil-free compressor system. Manufacturers often provide detailed troubleshooting steps and recommendations tailored to their specific equipment.

9. Seek Professional Assistance:

If the troubleshooting steps do not resolve the issue or if you are uncertain about performing any maintenance or repairs, it is advisable to seek professional assistance. Contact the manufacturer’s customer support or consult a qualified technician with expertise in oil-free compressor systems.

Remember to prioritize safety when troubleshooting compressor systems. Follow proper lockout/tagout procedures and adhere to all safety guidelines provided by the manufacturer.air compressor

What Is an Oil-Free Air Compressor?

An oil-free air compressor, also known as an oilless air compressor, is a type of air compressor that operates without the use of lubricating oil in the compression chamber. Unlike traditional air compressors that rely on oil for lubrication and sealing, oil-free compressors employ alternative methods to achieve compression and deliver clean, oil-free compressed air. Here’s a detailed explanation of how oil-free air compressors work and their key characteristics:

Working Principle:

Oil-free air compressors utilize various techniques to compress air without the need for oil. The most common methods include:

  • Dry Compression: In this method, the compression chamber doesn’t have any oil present. Special materials, coatings, and surface treatments are used to reduce friction and wear between the moving parts, allowing for efficient compression without oil lubrication.
  • Water or Air Cooling: Oil-free compressors often employ advanced cooling mechanisms, such as water or air cooling, to dissipate the heat generated during compression. This helps to maintain the operating temperature within acceptable limits and ensures the longevity of the compressor.
  • Piston Rings and Seals: Instead of relying on oil for lubrication and sealing, oil-free compressors use specialized piston rings, seals, or other forms of dry frictionless technology. These components provide the necessary sealing and reduce internal friction, allowing for efficient compression without the need for oil.

Characteristics of Oil-Free Air Compressors:

1. Clean and Oil-Free Air: The primary advantage of oil-free air compressors is that they deliver air that is free from oil contamination. This makes them suitable for applications where oil contamination can be detrimental, such as in the medical, pharmaceutical, food and beverage, electronics, and automotive industries.

2. Low Maintenance: Oil-free compressors typically require less maintenance compared to oil-lubricated compressors. Since there is no oil to change or monitor, maintenance tasks related to oil filtration, oil changes, and oil disposal are eliminated. This can result in cost savings and reduced downtime.

3. Compact and Lightweight: Oil-free compressors are often designed to be compact and lightweight, making them portable and easy to transport. This makes them suitable for applications where mobility is required, such as construction sites, workshops, and on-site maintenance tasks.

4. No Oil Contamination Risk: With oil-free compressors, there is no risk of oil contaminating the compressed air system. This eliminates the need for additional filtration or separation equipment to remove oil from the compressed air, simplifying the overall system design.

5. Lower Initial Cost: In general, oil-free compressors tend to have a lower initial cost compared to oil-lubricated compressors. This can be advantageous for applications with budget constraints or when the specific requirements of the application align with the capabilities of oil-free compressors.

It’s important to note that oil-free air compressors may have certain limitations compared to oil-lubricated compressors. They may have lower maximum operating pressures and higher operating temperatures. Additionally, the absence of oil lubrication may result in slightly reduced efficiency and increased wear on certain components over time.

By understanding the working principle and characteristics of oil-free air compressors, users can determine whether this type of compressor is suitable for their specific application and requirements.

China OEM Electric Silent Oil Free 7.5kw 11kw 15kw 22kw 37kw 45kw 55kw 75kw 90kw 110kw 132kw Screw Air Compressor 8bar-13bar with CE   manufacturer China OEM Electric Silent Oil Free 7.5kw 11kw 15kw 22kw 37kw 45kw 55kw 75kw 90kw 110kw 132kw Screw Air Compressor 8bar-13bar with CE   manufacturer
editor by CX 2024-04-26