Marshall Excelsior ME601-6 Double Check Fill Valve with Cap and Lanyard – 1.75″ M. Acme x 0.75″ MNPT

Automatically opens 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. Features field repairable upper check seat and factory applied thread sealant. Includes cap and lanyard.Industry best flow rateResilient bonded main valve sealIntegral break away feature leaves primary check intact in the event of delivery truck roll awayFlow Rate LPG at 10 PSI: 11; Flow Rate LPG at 20 PSI: 241.75 inch M. Acme x 0.75 inch MNPT connection