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Working principle and capabilities:
The series HGL, HG pump is really a form of single-stage and single-cylinder rotary piston vacuum pump. It’s greatly improved series H rotary piston pump and involves four patents; its common capabilities possess a wonderful improvement.
Rotary piston vacuum pump is usually a kind of vacuum manufacturing tools appropriate for pumping ordinary gases and condensable gases(whenever a gas ballast employed). The pump needs to be fitted with acceptable equipment if gas is rich in oxygen, explosive, corrosive to ferrous metal, chemical reactive with vacuum pump oil.
Operation principle present in doing work principle graph: A rotary piston with slide valve across ecentric wheel driven by shaft inside 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 transformed repetitively, so that pumping function could possibly be accomplished.
The series HGL, HG pump might be a backing pump when mixed with a different high vacuum pump also as operate singly. It really is broadly used in vacuum smelting, vacuum drying, vacuum impregnation and high vacuum simulation testing,and so on.

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