ROTARY PISTON VACUUM PUMPS

Operating principle and options:
The series HGL, HG pump is a form of single-stage and single-cylinder rotary piston vacuum pump. It really is greatly improved series H rotary piston pump and includes four patents; its common capabilities possess a terrific improvement.
Rotary piston vacuum pump is really a kind of vacuum production tools suitable for pumping ordinary gases and condensable gases(whenever a gasoline ballast utilised). The pump should be fitted with suitable add-ons if fuel is wealthy in oxygen, explosive, corrosive to ferrous metal, chemical reactive with vacuum pump oil.
Operation principle show in working principle graph: A rotary piston with slide valve across ecentric wheel driven by shaft within the housing. Piston pole can slide and swing freely in arch track. The whole 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, to ensure pumping purpose might be accomplished.
The series HGL, HG pump can be a backing pump when combined with an additional high vacuum pump as well as operate singly. It is extensively used in vacuum smelting, vacuum drying, vacuum impregnation and large vacuum simulation testing,and so on.

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