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gt5879c (Civil/Environme)
9 Dec 08 10:46
Hello all,
What are the pros and cons of using a plug valve or a gate valve in a pump station valve pit (in addition to the check valve). I've always used plug valves for my isolation valve, but my new employer always uses gate valves. Is either better than the other? Please advise.
Thanks
Chris
alexcmmi (Civil/Environme)
9 Dec 08 15:48
Either a gate or plug is acceptable in this situation. I stick w. plugs in WW apps though.
You could argue that debris / solids could settle into the seat of the gate valve. Moreso w. solid wedge w. nonresilient seat. Manufacturers of resilient seated gate valves will say solids settlment isnt a problem.
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