Characteristics of the pump:
• It can directly pump from the atmosphere;
• It can be used as low vacuum pump, also can be used as forestage pump while combining with other high vacuum pump.
• The series is widely used in the metallurgy, chemical industry and light industry, medicine, electron and semi-conductive industry;
• The pump can't be used to pump the gas with high oxygen, poisonous, explosive, or the gas will active with pump oil or have corrosive to the black metal. It also can be used as compressor or transmission pump.
• Widely used in vacuum coating machine