China Best Sales Kszj-18/17 Industrial High Efficiency Dry Oil-Free Screw Air Compressor – China Compressor High Efficiency with Great quality

Product Description

 Features of KAISHAN  air compressor:    

1.Low operating sound and less vibration design.Easy serviceability.
2.Low fuel consumption to realize far distance outdoor usage;Full protection system,energy saving.    

3.High efficient Airend:    
Large diameter rotor, airend connect with diesel engine through coupling and no reduction gear inside, more reliability, the    
rotary speed is same with the diesel engine’s, more longer lifespan.
4.Diesel Engine of Famous Brand:    
Select the diesel engine of CHINAMFG or CHINAMFG brand, satisfy the emission requirement of Europe, low oil consumption, after sale service system all over China.    

5.Good adaptability:    
The Portable Air Compressor automatically control the air delivery of diesel engine by matching the demand of air consumption, which equals to frequency conversion control in motor power screw air compressor.    

Model Exhaust pressure Air delivery Engine power Exhaust outlet Weight Dimension
(Bar) (m³/min) (HP) (KG) (mm)
KSZJ-15/14.5 14.5 15 Yuchai Engine G2*1, G3/4*1 2500 2800*1520*1780
KSZJ-18/17 17 18 Yuchai 260HP G2*1, G3/4*1 2700 3050*1800*1800
KSZJ-18/17A 17 18 Yuchai 220HP G2*1, G3/4*1 2200 2800*1520*1780
KSZJ-29/23G 23 29 Yuchai 400HP G2*1, G3/4*1 4050 3500*1950*2030
KSZJ-29/23-32/17 17-23 29-32 Yuchai 400HP G2*1, G3/4*1 4050 3500*1950*2030
KSZJ-35/25-38/20 20-25 35-38 Yuchai 550HP G2*1, G3/4*1 4500 3500*1950*2320
KSZJ-35/25-38/20K 20-25 35-38 Cummins 550HP G2*1, G3/4*1 4500 3500*1950*2200
KSZJ-31/25-34/17 17-25 31-34 Yuchai Engine G2*1, G3/4*1 4500 3500*2100*2200
LGZJ-31/25-35/18 18-25 31-35 Yuchai 400HP G2*1, G3/4*1 4500 3650*2000*2200
LGZJ-36/30-41/20 20-30 36-41 Yuchai 560HP G2*1, G3/4*1 6000 3800*2160*2300
LGZJ-36/30-41/20K 20-30 36-41 Cummins 550HP G2*1, G3/4*1 5800 3800*2160*2330
LGZJ-30/35-35/25 25-35 30-35 Yuchai 560HP G2*1, G3/4*1 6000 3800*2160*2300
LGZJ-30/35-35/25K 25-35 30-35 Cummins 550HP G2*1, G3/4*1 5800 3800*2160*2330
LGCG-43/25-37/35 25-35 43-35 Yuchai 775HP G2*1, G3/4*1 7000 4160*2200*2257



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After-sales Service: Video Technical Support, Online Support, Spare PAR
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: /


air compressor

What Maintenance Is Required for Oil-Free Air Compressors?

Maintaining oil-free air compressors is crucial to ensure their optimal performance, reliability, and longevity. While oil-free compressors have lower maintenance requirements compared to oil-lubricated compressors, regular maintenance tasks are still necessary. Here’s a detailed explanation of the maintenance required for oil-free air compressors:

1. Regular Filter Replacements:

Oil-free air compressors have filters that help remove contaminants from the intake air. These filters should be regularly inspected and replaced as recommended by the manufacturer. Filters can become clogged over time, affecting the compressor’s efficiency and potentially increasing the risk of contaminants entering the compressed air stream. Regular filter replacements ensure proper air filtration and help maintain the desired level of air purity.

2. Condensate Drainage:

Oil-free compressors produce condensate, which is a mixture of water and oil-free compressed air. Proper condensate drainage is essential to prevent water buildup in the system, which can lead to corrosion and damage. Most oil-free compressors have automatic condensate drains that remove accumulated condensate. It’s important to regularly check and maintain these drains to ensure they are functioning correctly and prevent any blockages or leaks.

3. Inspection of Air Hoses and Connections:

Regularly inspecting air hoses, fittings, and connections is important to identify any leaks or damage. Leaks can lead to air pressure loss, reduced compressor efficiency, and increased energy consumption. Damaged hoses or connections should be repaired or replaced promptly to maintain the integrity of the compressed air system. Regular inspections can help identify potential issues early on and prevent costly breakdowns or inefficiencies.

4. Monitoring Air Pressure and Temperature:

Monitoring the air pressure and temperature of the compressor system is crucial for identifying any abnormalities or deviations from the desired operating parameters. Most oil-free compressors have built-in pressure and temperature sensors that provide real-time data. Regularly checking and recording this data can help detect any potential issues, such as pressure drops, abnormal temperature increases, or excessive cycling. If any abnormalities are detected, they should be investigated and addressed promptly to prevent further damage to the compressor.

5. General System Checks:

Performing general system checks on a regular basis helps ensure that all components of the oil-free air compressor are functioning properly. This includes inspecting the compressor motor, cooling fans, belts, and electrical connections. Any signs of wear, damage, or abnormal noise should be addressed promptly. Additionally, checking the compressor for any signs of oil contamination or unusual odors can help identify potential issues with the compressor system.

6. Manufacturer’s Recommendations:

It’s essential to follow the manufacturer’s recommended maintenance schedule and guidelines for the specific oil-free air compressor model. The manufacturer’s recommendations may include additional maintenance tasks specific to the compressor’s design and components. Adhering to these guidelines ensures that the compressor is properly maintained and can help prevent warranty issues.

Regular and proactive maintenance of oil-free air compressors is essential to ensure their reliable and efficient operation. Following the recommended maintenance tasks, monitoring system parameters, and promptly addressing any issues that arise can help extend the compressor’s lifespan, reduce the risk of breakdowns, and maintain the desired air quality for the intended 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

Can Oil-Free Compressors Be Used in Medical Applications?

Yes, oil-free compressors can be used in medical applications and are widely utilized in various healthcare settings. These compressors provide clean, oil-free compressed air, making them suitable for critical medical processes and equipment. Here’s a detailed explanation of the use of oil-free compressors in medical applications:

1. Surgical Tools and Instrumentation:

Oil-free air compressors are commonly used in surgical suites and operating rooms to power pneumatic surgical tools and instrumentation. Surgical tools, such as pneumatic drills, saws, and shavers, rely on compressed air for their operation. Using oil-free compressors ensures that the compressed air delivered to these tools is free from oil contamination, reducing the risk of oil particles entering the surgical site or interfering with the sterile environment.

2. Respiratory Devices:

In respiratory care, oil-free compressors play a vital role in powering various medical devices, such as ventilators, nebulizers, and continuous positive airway pressure (CPAP) machines. These devices require a clean and reliable source of compressed air to deliver oxygen or medication to patients. Oil-free compressors ensure that the compressed air produced is free from oil, providing safe and effective respiratory support.

3. Dental Equipment:

Oil-free compressors are extensively used in dental offices and clinics to power dental tools and equipment, including dental drills, air syringes, and suction devices. Dental procedures require a high level of precision, and any contamination in the compressed air can compromise patient safety and treatment outcomes. By using oil-free compressors, dental professionals can ensure the delivery of clean, oil-free compressed air for optimal dental care.

4. Laboratory Applications:

Oil-free compressors are employed in various laboratory applications within the medical field. These applications include air supply for analytical instruments, sample preparation, cell culture, and other research processes. Oil-free compressed air is essential in maintaining the integrity of samples, preventing contamination, and ensuring accurate and reliable test results.

5. Pharmaceutical Manufacturing:

In pharmaceutical manufacturing, oil-free compressors are utilized to provide clean compressed air for critical processes. This includes applications such as product drying, powder handling, and packaging. Oil-free compressed air ensures the purity and quality of pharmaceutical products, meeting stringent regulatory requirements and minimizing the risk of contamination.

6. Medical Gas Systems:

Oil-free compressors are an integral part of medical gas systems, which provide essential gases like oxygen, nitrogen, and compressed air throughout healthcare facilities. These gases are used for various medical purposes, such as patient breathing, anesthesia, laboratory testing, and respiratory therapy. Oil-free compressors ensure the delivery of clean and uncontaminated medical gases, maintaining patient safety and the reliability of medical gas systems.

Oil-free compressors offer the necessary features and performance required for critical medical applications. They provide clean, oil-free compressed air, ensuring patient safety, maintaining sterility, and meeting regulatory standards. However, it’s important to select oil-free compressors specifically designed and certified for medical applications and adhere to manufacturer guidelines and maintenance protocols to ensure optimal performance and patient care.

China Best Sales Kszj-18/17 Industrial High Efficiency Dry Oil-Free Screw Air Compressor - China Compressor High Efficiency   with Great qualityChina Best Sales Kszj-18/17 Industrial High Efficiency Dry Oil-Free Screw Air Compressor - China Compressor High Efficiency   with Great quality
editor by CX 2024-05-13

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