Operating principle and functions:
The series HGL, HG pump is actually a sort of single-stage and single-cylinder rotary piston vacuum pump. It really is enormously improved series H rotary piston pump and includes 4 patents; its common capabilities possess a excellent improvement.
Rotary piston vacuum pump is actually a type of vacuum manufacturing gear appropriate for pumping ordinary gases and condensable gases(when a gas ballast utilised). The pump need to be fitted with ideal add-ons if fuel is wealthy in oxygen, explosive, corrosive to ferrous metal, chemical reactive with vacuum pump oil.
Operation principle demonstrate in operating 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 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 modified repetitively, to ensure that pumping function could possibly be attained.
The series HGL, HG pump might be a backing pump when mixed with a further substantial vacuum pump as well as operate singly. It really is extensively utilized in vacuum smelting, vacuum drying, vacuum impregnation and substantial vacuum simulation testing,etc.


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