Storage Tank Accessory, Emergency Vent Cap, 4 inch (Liquidynamics - Model 901948)

Storage Tank Accessory, Emergency Vent Cap, 4 inch

Emergency Vents (pressure relief only) are used on above ground tanks as a code requirement and helps prevent tanks from becoming over-pressurized and rupturing if exposed to fire, UL listed. 4ö Emergency Vent, 8 oz./sq. in. opening pressure, with 119,750 CFH @ 2.5 PSI venting capacity. Sized to fit the 275 and 330 gal. oval tanks shown previously, UL Listed.