Centrifugal Pump  impeller type rotodynamic
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Centrifugal Pump - 815B

This close coupled centrifugal pump uses a mechanical type shaft seal with a Nitrile rubber element. It is suitable for water, oils, and some mild solvents. It is limited to 212o F. fluoroelastomer seals and polytetrafluoroethylene (PTFE) seals are available for severe solvents, difficult chemicals, and elevated temperatures. The impeller is attached directly to the motor shaft. This pump can handle small impurities in the liquid. The flow of a centrifugal pump can be conveniently controlled by a throttling valve in the discharge line without the need for a relief valve. In centrifugal pumps, the horsepower demand will decrease as the pressure increases. Maximum horsepower occurs with a wide open discharge.