Valve-Return Dbl Ck 3/4 Mpt X 1-1/4 M Ac

Marshall Excelsior vapor equalizing double check valves consist of both and upper and lower check assembly. The upper check can be opened with vapor equalizing hose couplings equipped with projecting nozzle tips where the lower check is a normally open excess flow type. The lower excess flow check assembly automatically closes when flow out of the container exceeds its rated capacity. MEC double check vapor equalizing valves feature a two-piece body construction where the upper check can be repaired while in service with minimal leakage from the container.

• High flow construction
• Resilient bonded main valve seal
• Integrated break-away feature leaves primary check intact
• Field repairable upper check seat
• UL Listed

Upper seal repair kit: LP-ME663SRK