Operating principle and capabilities:
The series HGL, HG pump is really a sort of single-stage and single-cylinder rotary piston vacuum pump. It really is considerably improved series H rotary piston pump and incorporates 4 patents; 
its standard abilities possess a great improvement.
Rotary piston vacuum pump is actually a kind of vacuum manufacturing products ideal for pumping ordinary gases and condensable gases(when a gasoline ballast made use of). The pump needs to be fitted with proper equipment if gas is rich in oxygen, explosive, corrosive to ferrous metal, chemical reactive with vacuum pump oil.
Operation principle show in functioning 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 modified repetitively, in order that pumping objective could possibly be accomplished.
The series HGL, HG pump is usually a backing pump when combined with yet another large vacuum pump too as operate singly. It truly is extensively utilized in vacuum smelting, vacuum drying, vacuum impregnation and higher vacuum simulation testing,etc.
ROTARY PISTON VACUUM PUMPS
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