MEC 1-1/4 in. MNPT x 1-3/4 in. M Acme Double Check Fill Valve

Designed for DOT forklift, engine fuel and ASME residential tanks, these double check filler valves automatically open with pump pressure providing maximum product flow rates. Once flow ceases, both upper and lower check Mechanisms close to prevent product loss from the container. The lower check serves as a secondary seat to limit product loss if the primary upper seat fails to operate properly due to damage.|Industry best flow rate|Resilient bonded main valve seal|Integral break away feature leaves primary check intact in the event of delivery truck roll away|Field repairable upper check seat