External Relief Valves

Designed for use with large LPG storage containers as a primary pressure relief valve on ASME above and below ground bulk plant installations. All working components are external to the container connection away from possible product contaminants. Compatible with ALL 2-1/2″ FNPT multiple head units including ME903S & ME904S Series Quad-Port Manifolds. Optional 2″ MNPT tank adapter available for adapting to standard 2″ FNPT tank openings.

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**** Per NFPA pamphlet 58, table area shown is for UL or ASME flow rating, which ever is larger.