Marshall Excelsior ME601-6 Filler Valve w/o POL

AP Products ME601-6 Tank Fill Valves Double Check Designed for forklift, motor fuel and ASME residential tanks, these 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 in the event that the primary upper seat fails to operate properly due to damage. 1-3/4" M. Acme x 3/4" MNPT Double Check Fill Valve with Cap & Lanyard 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 Factory applied thread sealant