Screw Pumps

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A most important class of pump for dealing with highly viscous material is the screw pump.

Designs employing one, two and three screws are in use.

Multiple screw pumps operate as follows:

In single screw pumps, the fluid is sheared in the channel between the screw and the wall. Flow is produced as a result of viscous forces. Pressures achieved with low viscosity materials are negligible.

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Last Modified on: 14-Sep-2014

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