Operating principle and capabilities:
The series HGL, HG pump is actually a kind of single-stage and single-cylinder rotary piston vacuum pump. It really 
is tremendously improved series H rotary piston pump and consists of 4 patents; its common abilities possess a wonderful improvement.
Rotary piston vacuum pump is actually a type of vacuum manufacturing gear appropriate for pumping ordinary gases and condensable gases(whenever a gasoline ballast utilised). The pump should be fitted with appropriate add-ons if fuel 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 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 altered repetitively, to ensure pumping goal could possibly be accomplished.
The series HGL, HG pump is often a backing pump when mixed with another large vacuum pump likewise as operate singly. It is widely used in vacuum smelting, vacuum drying, vacuum impregnation and higher vacuum simulation testing,and so on.
ROTARY PISTON VACUUM PUMPS
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