Graco D51277 3/4" and 1/2" Ports, Acetal Diaphragm Pump 515 Ball Valves the integrated bleed hole featured

the integrated bleed hole featured allows less than 2% of the maximum flow to relieve fill line pressure allowing the fill nozzle to be removed without spilling product

The FR4210HN model is a 12V DC

the 66REC seals tightly on an O-ring before the poppet stems engage to open the valve

WARNING: DO NOT FILL OR UNLOAD FUEL FROM A STORAGE TANK UNLESS IT IS CERTAIN THAT THE TANK VENTS WILL OPERATE PROPERLY

Pressure Rating - 110 PSI

Graco D51277 3/4" and 1/2" Ports, Acetal Diaphragm Pump 515 Ball Valves the integrated bleed hole featuredThe Husky 515 air operated double diaphragm pump features a stall free low pulsation air valve which provides a smooth and rapid changeover. The bolt through fluid cover design eliminates leaks and makes the Husky safer with higher reliability. Center and end porting options. No mechanical seals to cause fluid leaks or failures Runs quietly at less than 85 dBa with easy to use remote muffler capability for even lower noise levels Easy to service air