Rotary Vane Pumps

Quick Overview : A rotary vane pump is a positive-displacement pump. Rotary vane pump consists of vanes mounted to a rotor that rotates inside a cavity. The vanes can be different length in different pumps.

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A rotary vane pump is an displacement pump. The pump is consists of inlet, outlet, a housing and a rotor. In this pumping system vanes moves radially under spring force and the inlet and outlet. The outlet valve is oil-sealed. The inlet valve is designed as a vacuum safety valve that is always open during operation. The working chamber is located inside the housing. Rotor and vanes divide the working chamber into two separate spaces having variable volumes. As the rotor turns, gas flows into the enlarging suction chamber until it is sealed off by the second vane. The enclosed gas is compressed until the outlet valve opens against atmospheric pressure. In the case of gas ballast operation, a hole to the outside is opened, which empties into the sealed suction chamber on the front side.


Highly suitable and heavy duty pump for pumping, tar, soapy water syrup & varnishes. Rotary Vane pumps are commonly used as high-pressure hydraulic pumps and in automobiles, including supercharging, power-steering, air conditioning and automatic-transmission pumps. This highly suitable and heavy duty pump for pumping, tar, soapy water syrup & varnishes


in Vane pump , The rotor the shaft rotates eccentrically in respect to the outer body. The rotor comprises plates with automatically adjusted as the distance between rotor and body increases or decreases. The side where the rotor is at more distance from the suction. The liquid so comes in is gradually squeezed finally pushed out from the outside which is the delivery of the pump.

Rang of pump

Size = 4’’, Capacity = 90 M3/hrs, Head = 25 mitter