An all new design maximizes the flow-through for vacuum relief while providing the pressure relief flow capacity of a larger sized vent. Pressure seals are completely protected from outside environment until activation. This vent is available in stainless steel and polyethylene and factory set to your pressure and relief requirements. A full range of seal materials are available to work with your chemical and environmental needs.

This original high flow vent is available in stainless steel and aluminum. The release pressures are factory set to your requirements within pressure ranges of .25 through 35.0 psig. This vent is also available in 1.0 inch NPT male or female threads. A full range of seal materials are available to work with your chemical and environmental needs.