Morrison Bros 749-0100 AV 2" FNPT Pressure Vacuum Vent For Underground and Low Volume Tanks Oil Drains pails of grease

pails of grease

Not for use with gravity tanks

Mis-filling prevention device eliminates the risk of accidental DEF filling or environmental contamination

Operates on as little as 20 psi (1

Morrison Bros 749-0100 AV 2" FNPT Pressure Vacuum Vent For Underground and Low Volume Tanks Oil Drains pails of greasePressure vacuum vents are installed on the top of underground and low volume aboveground storage tank vent pipes. Vent allows tank to breathe during filling and discharging operations. Pressure and vacuum poppet seal vapors in tank when pressure is equalized. Settings are approximate. WARNING: Fig. 749 P V vent must only be used in conjunction with motor fueling and or low capacity flow. Fluid handling in lines larger than that used for retail service