ROTARY PISTON VACUUM PUMPS

Working principle and features:
The series HGL, HG pump is a kind of single-stage and single-cylinder rotary piston vacuum pump. It is drastically enhanced series H rotary piston pump and involves four patents; its general capabilities have a terrific improvement.
Rotary piston vacuum pump is a kind of vacuum production products suitable for pumping ordinary gases and condensable gases(whenever a fuel ballast utilized). The pump has to be fitted with acceptable accessories if gasoline 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 changed repetitively, so that pumping objective could be accomplished.
The series HGL, HG pump may be a backing pump when combined with one more higher vacuum pump at the same time as operate singly. It is widely used in vacuum smelting, vacuum drying, vacuum impregnation and higher vacuum simulation testing,and so on.

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