40 PSI 1/4" Male NPT Air Compressor Pressure Relief Safety Pop Off Valve
Brand new, certified 1/4" male NPT 40 PSI Industrial air compressor / tank pressure safety relief valve. Also known as a "Pop Off" or "Blow Off" valve. This relief valve is manufactured in the United States and is stamped with "UV" & "NB" symbols. The relief pressure of this valve is set at 40 PSI and is accurate within + or - 3% of the set pressure.