How to determine if there is internal leakage in the pump’s return valve after stopping the pump?

2010-10-10View Original

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How to determine if there is internal leakage in the pump’s return valve after stopping the pump?

Reply #22010-10-10

This post was last edited by 654262293 on 2010-10-11 at 12:47. First, close the inlet and outlet valves of the pump to drain all the liquid from it. Then disconnect the front flange of the valve located before the reflux valve; subsequently, slowly open this valve to check whether liquid or gas flows out (the presence of liquid or gas is related to the location where it returns to the tower), which will allow for a determination.

Reply #32010-10-10

Is it the valve of the image I’m talking about? This one needs to be disassembled by a professional for inspection

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