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Operating principle and capabilities:
The series HGL, HG pump is really a form of single-stage and single-cylinder rotary piston vacuum pump. It can be tremendously improved series H rotary piston pump and involves four patents; its common abilities possess a excellent improvement.
Rotary piston vacuum pump is actually a sort of vacuum production tools ideal for pumping ordinary gases and condensable gases(when a gasoline ballast used). The pump have to be fitted with appropriate add-ons if gasoline is rich in oxygen, explosive, corrosive to ferrous metal, chemical reactive with vacuum pump oil.
Operation principle display in working 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, in order that pumping function can be attained.
The series HGL, HG pump can be a backing pump when combined with yet another substantial vacuum pump likewise as operate singly. It is extensively used in vacuum smelting, vacuum drying, vacuum impregnation and substantial vacuum simulation testing,etc.

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