Pressure Vaccum Vents

Designed for vapor recovery applications, allowing vapors to vent upwards in accordance with NFPA Code 30 while offering a pressure setting of 8 oz. and a vacuum setting that does not exceed 1/2 oz. per square inch to assure appropriate pressure in the storage tank during filling and dispensing. Cast aluminum body, flame retardant 40 mesh brass screen and female threads for simple installation onto a 2" vent pipe. Set screws and gasket included.