Heat Preservation Rotor Pump have heat insulation jacket, can inject hot oil, hot water and steam circulation, to keep the pump warm. pump usually be used to transfer bitumen, glue, molasses etc high viscosity liquid. pump also be called internal Gear Pump. Driving gear (outside rotor) with internal tooth drives the internal rotor and turns in same direction in the full closed pump body. The pump casing and crescent of the front cover separate the inlet from the outlet. When it turns, negative pressure formed at the suction port, the liquid inhaled and being take to the outlet by rotor, then the liquid is expelled from the discharge port as the gears mesh, The transportation of liquid finished.
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