Piston Vacuum Pump WH Series
Piston vacuum pump is sort of vacuum production equipment suitable for pumping ordinary gases and little condensable gases (for example water vapour) with a gas ballast used. The pump must be fitted with appropriate accessories if gas is rich in oxygen, explosive, corrosive, to ferrous metal, chemical, reactive with vacuum pump oil. The pump cab is operated singly. It also can be as a backing pump when combined with another high vacuum pump such as diffusion pump oil booster vacuum pump and roots vacuum pump. Rotary piston vacuum pump can be used for a longer time than the sliding vane rotary vacuum pump.
Piston vacuum pump is widely used in photovoltaic industry, aviation, petroleum chemical industry, pharmacy industry, vacuum heat processing, vacuum coating, ceramics industry etc.