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ROTARY PISTON VACUUM PUMPS

Working principle and features:
The series HGL, HG pump can be a form of single-stage and single-cylinder rotary piston vacuum pump. It is enormously enhanced series H rotary piston pump and involves four patents; its general capabilities have a excellent improvement.
Rotary piston vacuum pump can be a kind of vacuum manufacturing products ideal for pumping ordinary gases and condensable gases(when a gasoline ballast utilised). The pump must be fitted with acceptable accessories if gasoline is rich in oxygen, explosive, corrosive to ferrous metal, chemical reactive with vacuum pump oil.
Operation principle display in functioning principle graph: A rotary piston with slide valve across ecentric wheel driven by shaft in the housing. Piston pole can slide and swing freely in arch track. The entire pump chamber is divided into chamber A and chamber B by piston. When shaft rotates the volume of chamber A and chamber B are altered repetitively, so that pumping purpose could be achieved.
The series HGL, HG pump is usually a backing pump when mixed with a further large vacuum pump as well as operate singly. It can be widely used in vacuum smelting, vacuum drying, vacuum impregnation and high vacuum simulation testing,etc.

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