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December 9, 2020

Working principle and features:
The series HGL, HG pump is actually a sort of single-stage and single-cylinder rotary piston vacuum pump. It is enormously improved series H rotary piston pump and contains four patents; its general capabilities possess a great improvement.
Rotary piston vacuum pump is a sort of vacuum production tools ideal for pumping ordinary gases and condensable gases(whenever a fuel ballast made use of). The pump has to be fitted with proper equipment if gas is wealthy in oxygen, explosive, corrosive to ferrous metal, chemical reactive with vacuum pump oil.
Operation principle display in doing work 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 transformed repetitively, to ensure that pumping goal could possibly be achieved.
The series HGL, HG pump is often a backing pump when mixed with an additional large vacuum pump likewise as operate singly. It is widely utilized in vacuum smelting, vacuum drying, vacuum impregnation and substantial vacuum simulation testing,and so on.