My understanding has always been as you describe, that a typical resilient seat plug valve, designed for a typical municipal wastewater environment, should be able to hold test pressure regardless of which side of the valve pressure is applied. In this case, the contractor needs to test a...
Is it correct to expect a plug valve to hold full test pressure in both flow directions?
In this case, I'm looking at a resilient seat eccentric plug valve (6") in a new wastewater force main. Contractor claims full test pressure (150 psi) can only be held in one direction, and not against the...
My client (a municipality) plans to install filters into which street sweepers will dump their loads. The liquid will run through the filters and needs to be pumped about 300 feet across a ditch to the sanitary system. Each load will put about 1500 gallons through the filter, and it all goes...
