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Rotary Lobe Pumps

Rotary Lobe Pumps

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Rotary Lobe pumps are equipped with lobes which are driven by external timing gears to rotate in opposite directions.

The motion of the lobes creates an expanding cavity on the inlet side, allowing the fluid to flow into the pump chamber. The lobes then carry the fluid around the pump body to the outlet side where it is forced out of the pump as the cavity contracts.

The long sealing path of the lobes reduces slippage and offers gentle handling of particulates. This design of the lobes lends itself to products which require gentle handling, low viscosity, and high viscosity.

PD Pumps Team