Description
This 3 inch Guardian Pressure Valve has PTFE seals and should be used on a 25 MAWP tank. The Betts Guardian vent is a spring loaded reclosing pressure relief device/valve for use as a 407/412 cargo tanks primary pressure relief system. The pressure relief valve is designed, tested and marked in accordance with 49CFR §178.345-10, 49CFR §178.347-4 and 49CFR §178.348-4.
