Operating principle and functions:
The series HGL, HG pump is a type of single-stage and single-cylinder rotary piston vacuum pump. It can be considerably improved series H rotary piston pump and contains 4 patents; its common abilities have a good improvement.
Rotary piston vacuum pump is a kind of vacuum production gear suitable for pumping ordinary gases and condensable gases(whenever a gas ballast utilised). The pump has to be fitted with proper add-ons if gasoline is wealthy in oxygen, explosive, corrosive to ferrous metal, chemical reactive with vacuum pump oil.
Operation principle show in operating 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 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, so that pumping purpose may very well be attained.
The series HGL, HG pump could be a backing pump when combined with a further high vacuum pump likewise as operate singly. It really is widely used in vacuum smelting, vacuum drying, vacuum impregnation and higher vacuum simulation testing,and so on.


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