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With more than 20 years manufacturing experience in compressed air filed, CMN, as a oil free screw compressor manufacturer, the products including oil-less air compressor, oil-free air compressor, all kinds of special gas compressor and matched after treatment equipments. Certified with ISO9001, ISO14001, TUV, CE and other certifications, our products offers various compressed air solutions with FAD ranging from 15cfm to 2087cfm, pressure ranging from 2bar to 45bar. With continued R&D investment, CMN, the oil free screw compressor manufacturer has launched world's first 40bar oil free screw air compressor with water lubricated air end and world's first 1.2MPa scroll air compressor which filled international gap.

CMN oil-free high pressure screw air compressor, with an air supply pressure of 20 to 40 bar, can be adapted to high-standard gas processes such as PET bottle blowing and blow molding. The whole high pressure oil free air compressor does not contain any lubricating oil to ensure that the outlet compressed air is absolutely oil-free. The screw-type air end performs two-stage compression with low vibration and noise. The oil free high pressure air compressor adopts an advanced two stages dual-drive design and is equipped with two permanent magnet variable frequency motors with an efficiency of up to 97%. The inverter drive always supplies air with optimal efficiency. Maintenance is simple, only the air filter and water filter need to be replaced, reducing maintenance costs by 50% to 80%.

Relying on the low operating temperature of the air end, CMN has developed a unique screw hydrogen compressor with a flow range of 5 to 59m3/min and a pressure range of 4 to 45bar. Since water is directly injected into the air end for compression, the operating temperature of the host will usually not be higher than 45 degrees Celsius, so safety can be guaranteed.

The high pressure micro oil screw air compressor crafted by CMN has an air supply pressure of 20 to 45 kg. The air end is lubricated with high-quality lubricating oil and has two stages screw compression air end, which can be adapted to most high-pressure compressed air supplies.

CMN independently develops and manufactures various post-processing equipment for supporting air compressors, including gas storage tanks, filters, cold dryers and suction dryers, etc., to achieve the purpose of removing oil, water and filtering impurities.

CMN oil-free carbon dioxide compressor, the air end is made of 304 stainless steel. If there are special requirements, 316 stainless steel can also be used to prevent corrosion. The inlet pressure, outlet pressure and exhaust volume can be designed as required.

Since the founder Mr. B. Zimmern proposed the single-screw compression structure in 1960, CMN has brand history of over 60 years. We have formed a set of strict production management systems and processes to ensure the stability of the machines we manufactured; based on our R&D team of more than 30 people, CMN has always been a leading enterprice that focuses on innovation in the pneumatic industry. CMN has three factories and more than 20 dealers around the world, our corporate purpose has always been to focus on customer needs, continuously improve products, and realize the value of CMN.

The air storage tank can store a certain amount of compressed air, to make sure that pressure of output air is relatively stable. It can also reduce the temperature in the air path and remove some water, dust, and impurities. The air storage tank is made of high-quality materials(carbon steel or stainless steel) and uses advanced welding technology. It has passed ISO9001 certification and can pass any safety inspection.

Thermal adsorption type - uses part of the dried compressed air to purge the adsorbent after decompression to achieve "regeneration" of the adsorbent; Microthermal adsorption type - the difference from the non-thermal adsorption type is that the compressed air used for purging is heated by an electric heater.