ROTARY PISTON VACUUM PUMPS

Working principle and options:
The series HGL, HG pump is really a type of single-stage and single-cylinder rotary piston vacuum pump. It is actually greatly enhanced series H rotary piston pump and contains four patents; its basic abilities have a good improvement.
Rotary piston vacuum pump is a type of vacuum manufacturing gear ideal for pumping ordinary gases and condensable gases(when a fuel ballast utilized). The pump should be fitted with acceptable accessories if gasoline is rich in oxygen, explosive, corrosive to ferrous metal, chemical reactive with vacuum pump oil.
Operation principle display in functioning 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 goal can be attained.
The series HGL, HG pump could be a backing pump when combined with another large vacuum pump at the same time as operate singly. It can be extensively used in vacuum smelting, vacuum drying, vacuum impregnation and higher vacuum simulation testing,and so on.

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