Morrison Bros 748A-3200 AV 3" FNPT Pressure Vacuum Vent - 20.2k SCFH Venting capacity 2.5 P.S.I. Foot Valves Certain atmospheric conditions such as

Certain atmospheric conditions such as a sudden drop in temperature

fuel lines

A tight fill connection is required for the valve to operate

Integral reconnectable breakaway 175-330 lbs (80-150 kg)

Morrison Bros 748A-3200 AV 3" FNPT Pressure Vacuum Vent - 20.2k SCFH Venting capacity 2.5 P.S.I. Foot Valves Certain atmospheric conditions such asPressure vacuum vent designed for installation on top of the vent pipe of an aboveground or underground storage tank. Poppets seal vapors in the tank when pressure is equalized. The vent allows the tank to breathe during filling and dispensing operations. This vent must be used in conjunction with an emergency vent. It is recommended that the opening pressure setting is set below that of the emergency vent so the normal vent operates first. Settings