Answer / r.s.thakur

pressure will increase before the valve.Because pressure
will increas with the restriction of flow.

Answer / lakshmi niwas pathak

th current of the pump will increase because of back
pressure then it will be tripped from the over. Why in
centrifugal pump control valve use in delivery line?

Answer / sunil mac

th current of the pump will increase because of back pressure then it will be tripped from the over load relay...

Answer / ranjan

pressure never increase because in centrifugal pump pressure
drain if close the valve

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