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Oil-free compressors
In an oil-free compressor, the air is compressed entirely through the action of the screws, without the assistance of an oil seal...
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In an oil-free compressor, the air is compressed entirely through the action of the screws, without the assistance of an oil seal. They usually have lower maximum discharge pressure capability as a result. However, multi-stage oil-free compressors, where the air is compressed by several sets of screws, can achieve pressures of over 150 psig, and output volume of over 2000 cubic feet (56.634 cubic meters) per minute (measured at 60 °C and atmospheric pressure).
Oil-free compressors are used in applications where entrained oil carry-over is not acceptable, such as medical research and semiconductor manufacturing. However, this does not preclude the need for filtration as hydrocarbons and other contaminants ingested from the ambient air must also be removed prior to the point-of-use. Subsequently, air treatment identical to that used for an oil-flooded screw compressor is frequently still required to ensure a given quality of compressed air.
Oil-free rotary tooth compressors, 15-55 kW / 20-75 hp |
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Name: ZT15-22, ZR/ZT30-45, ZR/ZT22-37-55VSD
Free Air Delivery : 19.7 ~ 142.5 l/s Free Air Delivery : 1.2 ~ 8.7 m3/min
Install Motor Power: 15 - 55 kW
Working Pressure : 7.5 ~ 10 Bar (e)
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Oil-free screw compressors |
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Name: AQ30-55/15-55 VSD
Free Air Delivery : 21 ~ 155 l/s Free Air Delivery : 1.3 ~ 9.3 m3/min
Install Motor Power: 15 - 55 kW
Working Pressure : 7.5 ~ 13 Bar (e)
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Name: Energy Recover Control Unit
Energy recovered: Up to 900kW
Power supply: 380-500V/50-60Hz
Size: 4 sizes of control units available
Download Datasheet
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Name: Z55-900VSD
Free Air Delivery : 121 ~ 2,456 l/s Free Air Delivery : 7.3 ~ 147.4 m3/min
Install Motor Power: 55 - 935 kW
Working Pressure : 7.5 ~ 10.4 Bar (e)
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Name: ZA/ZE (VSD)
Free Air Delivery : 67 ~ 2,047 l/s Free Air Delivery : 4.01 ~ 122.8 m3/min
Install Motor Power: 22 - 500 kW
Working Pressure : 1 ~ 4 Bar (e)
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Name: ZT110-160VSD
Free Air Delivery : 259.6 ~ 416 l/s Free Air Delivery : 15.6 ~ 25 m3/min
Install Motor Power: 132 - 160 kW
Working Pressure : 7 ~ 10.4 Bar (e)
Download Datasheet
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