Gear pump pipe selection criteria

January 21, 2023

The selection criteria of gear pump pipe Reasonable choice of pipe diameter, pipe diameter, at the same flow rate, small flow velocity, resistance loss is small, but the price is high, the pipe diameter is small, will result in a sharp increase in resistance loss, so that the selected gear pump Of the increase in pressure, with increased power, the cost and operating costs are increased.Therefore, should be considered from a technical and economic point of view.Exhaust pipe and fittings should consider the maximum pressure can be .Pipeline layout should be arranged as straight pipe , Try to reduce the pipe attachment and minimize the length of the pipeline, you must turn when bending the elbow bend radius should be 3 to 5 times the pipe diameter, angle as much as possible greater than 90 â„ƒ. Gear pump discharge side must be equipped with a valve (Relief valve) and check valve The valve is used to adjust the operating point of the pump and the check valve prevents reverse rotation of the gear pump when the fluid is flowing backwards (when the liquid flows backwards, Damaged) Operating temperature of the liquid, eg suction side pressure (absolute) Exhaust side tank pressure Altitude Ambient temperature Operation is intermittent or continuous The position of the gear pump is fixed or movable.
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