Morrison Bros Fig. 77 (1/4") Expansion Relief Valves Item Numbers:077---0200 AV What is the minimum pressure

What is the minimum pressure needed to operate a flow switch

# of Ports:  5

303 stainless steel • Screen

not affected by slippage

Morrison Bros Fig. 77 (1/4") Expansion Relief Valves Item Numbers:077---0200 AV What is the minimum pressureItem Series: Morrison Bros Fig. 77 (1 4") Expansion Relief Valves Product Ordering Information: Products Description & Features: Description: Designed for use on aboveground storage tank piping systems. Allows excess pressure caused by thermal expansion of the liquid to return to the tank. Features and Details: Not for use with leak detection systems, One way flow, Easily installed into existing piping systems, Includes copper tube fitting (tube not