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Eccentric pump clack?

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Rod Ashton	14/10/2018 14:56:05
344 forum posts 12 photos	Setting up a horizontal mill engine that is fitted with an eccentric water pump. There appears never to have been a clack valve fitted to the delivery side piping. Will it need one? "Not much used to statics engines!" Any advice appreciated.
Jeff Dayman	14/10/2018 15:22:37
2356 forum posts 47 photos	Most pumps have a check valve on the intake and one on the delivery. Usual cycle is to pull water in past the intake check, with the delivery check closed to allow suction. Then water is pumped out the delivery check, with the intake check closed to allow delivery (and not allow pumped water to just cycle back into the intake pipe or port).
Neil Wyatt	14/10/2018 15:38:32
19226 forum posts 749 photos 86 articles	Posted by Rod Ashton on 14/10/2018 14:56:05: Setting up a horizontal mill engine that is fitted with an eccentric water pump. There appears never to have been a clack valve fitted to the delivery side piping. Will it need one? "Not much used to statics engines!" Any advice appreciated. Yes, if it's supposed to be a working pump.

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