Tags: pump

Centrifugal Sump Pump

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Description Mounting = Vertical Casing split = Radial Impeller type = Radial Mounting feet = Mounting plate No. of stages = Single Applications Flow conditions: Low head and moderate flow rate Service rating: Non-critical Typical uses: Primarily used to pump water or hydrocarbons from shallow pits or compartments

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Single-Stage API Pump

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Description Mounting = Horizontal Casing split = Radial Impeller type = Radial Mounting feet = Centerline of pump casing No. of stages = Single Applications Flow conditions: Low head, moderate flow rate, high temperature Service rating: Critical Typical uses: 1. Hot oil pumps 2. Rich oil pumps 3. Raw products pumps

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Centrifugal Pump Specific Speed

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In comparing similar centrifugal pumps it is often useful to use a parameter called specific speed. For similar designs major pump dimensions are proportional to specific speed. Thus, if the performance curve is known for one pump, it can be estimated for another pump of similar design but different impeller diameter. The specific speed is …

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Basic Pumps Selection Criteria

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In order to make a selection of the pump required for a specific installation it is necessary to first determine the desired flow rate or head. The NPSH available should be determined, and if a centrifugal selection is possible, a system head-flow-rate curve should be developed. Generally, positive displacement pumps are better suited for high …

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Multiphase Pumps

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Multiphase fluids typically produced from an oil well consist of hydrocarbon liquid, hydrocarbon gas, and an immiscible water phase. These fluids historically must be processed by a multiphase production system near the wells. This arrangement is needed because transfer of the multiphase fluids is achieved through the use of reservoir energy and, in most cases, …

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Rotary Pumps

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These pumps operate by having a rotating member turn inside a housing in such a way as to create trapped liquid through the pump. Figure 10-10 shows several configurations of rotary pumps. Although these pumps may look like centrifugal pumps, their action is that of a positive displacement pump in that the liquid is continually …

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Diaphragm Pumps

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These pumps are a special type of reciprocating pump that utilize the action of a diaphragm moving back and forth within a fixed chamber. Sometimes the diaphragm is used to power a reciprocating pump with air or natural gas. Figure 10-9 shows a typical diaphragm pump where flexure of the diaphragm creates the pumping action. …

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