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Pump inlet and outlet pipe diameters

2018-03-30View Original

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If the pump’s outlet diameter is DN32 and the outlet pipe is enlarged to DN50, will the flow rate increase? I feel like there isn’t enough traffic right now; what should I do?
Reply #22018-03-30
No, the flow rate of the pump has nothing to do with the diameter of the outlet pipe. What changes is the export pressure.
Reply #32018-03-30
Simply increasing the diameter of the outlet pipeline does not increase the pump’s flow rate; instead, it reduces the pressure at the pump’s outlet. To increase the pump’s flow rate, the diameter of the inlet pipeline can be increased appropriately.
Reply #42018-03-30
The flow rate will not increase; it is the outlet pressure that changes.
Reply #52018-03-30
A pump with a changeover function is more suitable. Selected based on actual process parameters.
Reply #62018-03-30
Flow rate remains unchanged~~~~Outlet pressure decreases~~~~
Reply #72018-03-30
If there is a surplus in head, the cutting impeller can be released for testing
Reply #82018-03-31
Reduce the outlet pressure and increase the inlet pressure.
Reply #92018-03-31
I don’t think the traffic will change.
Reply #102018-03-31
First, check whether there are any foreign objects blocking the pipe impeller or if there is internal leakage! Increase the outlet opening and the impeller diameter while ensuring that the motor does not operate beyond its power limit!

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