Morrison Bros 748A-0200 AV 2" FNPT Pressure Vacuum Vent - 20.2k SCFH Venting capacity 2.5 P.S.I. DEF It is recommended that the

It is recommended that the opening pressure setting is set below that of the emergency vent so the normal vent operates first

pump assemblies

metering and control equipment

Ball valve style for quick and easy quarter turn operation

Inlet Size: 1-1/4" NPT

Morrison Bros 748A-0200 AV 2" FNPT Pressure Vacuum Vent - 20.2k SCFH Venting capacity 2.5 P.S.I. DEF It is recommended that thePressure 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