Designed for use on aboveground storage tank piping systems. Allows excess pressure caused by thermal expansion of the liquid to return to the tank. Details For use with most leak detection systems One way flow Precise settings of 25 PSI Body: Ductile iron Cap: Stainless steel Relief fitting: Stainless steel with PTFE Specifications Series: 076DI Material: Ductile iron Size: 1/2 in. Pressure: 25 PSI Downloads Morrison Bros. 076DI Datasheet (PDF Download)
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