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Pump suction low causes tripping
We have an expansion tank but its only two years that its operating now so i guess it hasnt lose the air inside. Also the recic. valve takes measurement on the discharge side and not on the suction side. Regarding the closing of the recic. valve happens very fast so i believe that's not a...- Thanos93
- Post #13
- Forum: Pump engineering
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Pump suction low causes tripping
Well, the recirculation valve (its a pneumatic valve) opens when we dont have any consumer open, so it recirculates back to the water tank adjusting accordingly the discharge pressure to be at 7 bar. It adjust itself by closing completely when you have a consumer open, like an eyewash or a drain...- Thanos93
- Post #11
- Forum: Pump engineering
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Pump suction low causes tripping
Hello and good morning all! Sorry for not answering straight away, i didn't have access to the internet. Well, to begin i'll answer as much as i can. First of all, the potable water network system is in a power plant. The drain that i'm talking about is whatever drain you open, for example even...- Thanos93
- Post #7
- Forum: Pump engineering
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Pump suction low causes tripping
Hello all, New to the forum and new to the field of enginnering. So i'm experiencing a situation very confusing in a potable water pump. It seems that everytime we start the pump, you see the manometer on the suction side going below zero and coming to 0.5 bar after some minutes. The discharge...- Thanos93
- Thread
- Replies: 13
- Forum: Pump engineering
