For pumps used with suspended-solids feed, and where it is required to maintain a stable pressure of 0.5 MPa at the pump outlet, how should such pumps be selected?

2011-07-20View Original

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For pumps used with suspended-solids feed, and where it is required to maintain a stable pressure of 0.5 MPa at the pump outlet, how should such pumps be selected?

Reply #22011-07-20

I’m not sure whether this so-called pressure stability is an absolute requirement. If it is, then a screw pump is the only option; if slight variations in pressure are acceptable, then a centrifugal pump will suffice. When choosing a centrifugal pump, care must be taken when selecting the mechanical seal!

Reply #32011-07-20

Centrifugal pump + frequency converter + pressure transmitter. Constant-pressure water supply – that’s all there is to it.

Reply #42011-08-16

Under normal operating conditions, high-head corrosion-resistant mortar pumps work just fine

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