Morrison Bros 749-0100 AV 2" FNPT Pressure Vacuum Vent For Underground and Low Volume Tanks Top Seal Caps dust and debris from entering

dust and debris from entering the tank

Pressure and vacuum poppet seal vapors in tank when pressure is equalized

Multiple Mounting Options Valves are boss-mounted to stabilizer bars in sumps and pans or mounted to bars embedded in the island with optional U-Bolt kits 10UBK-015 (not included)

reduces float entanglement when turbulent conditions are present

extreme weather exposure

Morrison Bros 749-0100 AV 2" FNPT Pressure Vacuum Vent For Underground and Low Volume Tanks Top Seal Caps dust and debris from enteringPressure 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