Tags: Reciprocating Pumps

Pulsation Dampeners

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In many instances where the sizing recommendations previously discussed are used, there is not need to install dampeners to reduce liquidpulsations. However, in most instances, it is possible to further reduce pulsations and thus reduce pump maintenance costs and piping vibration with the use of pulsation dampeners. Dampeners are recommended for all major multipump installations, …

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Suction and Discharge Piping

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It is absolutely imperative that the suction piping be sized to assure that the NPSH available exceeds the NPSH required by the pump. Often, this can be arranged by elevating the suction tank or by providing a lowhead centrifugal charge pump to feed the reciprocating pump. If the NPSH available is too low, valve breakage …

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Reciprocating Pumps

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In reciprocating pumps, energy is added to the fluid intermittently by moving one or more boundaries linearly with a piston, plunger, or diaphragm in one or more fluid-containing volumes. If liquid is pumped during linear movement in one direction only then the pump is classified “single acting.” If the liquid is pumped during movement in …

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