Working principle and features:
The series HGL, HG pump can be a form of single-stage and single-cylinder rotary piston vacuum pump. It can be greatly enhanced series H rotary piston pump and 
consists of 4 patents; its general capabilities have a excellent improvement.
Rotary piston vacuum pump is often a type of vacuum production equipment appropriate for pumping ordinary gases and condensable gases(whenever a fuel ballast utilized). The pump should be fitted with ideal accessories if gasoline is wealthy in oxygen, explosive, corrosive to ferrous metal, chemical reactive with vacuum pump oil.
Operation principle display in doing work 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 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, to ensure pumping goal may very well be attained.
The series HGL, HG pump may be a backing pump when mixed with a different high vacuum pump likewise as operate singly. It is actually broadly used in vacuum smelting, vacuum drying, vacuum impregnation and substantial vacuum simulation testing,and so on.
ROTARY PISTON VACUUM PUMPS
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