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Keep Your Suction Side Lines Large and Short Keep Your Suction Side Lines Large and Short

Posted by Donald Byres on

If you have ever asked an engineer to help you size a pump, they will start talking about the net positive suction head available (NPSHA). Next they will tell how hard it is to calculate. Finally they will tell you that if your NPSHA is too low then you will have cavitation. Now cavitation is bad. It will destroy your pump. Impeller destroyed by cavitation But do not despair. There are two simple tricks to avoid the whole problem. Keep your suction side hoses large and short. Never try to suck through a filter, heat exchanger or other piece of...

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