CANADA’S LEADER IN ENERGY PRODUCTS EQUIPMENT CYLINDER & TANK VALVES VALVES & ADAPTERS FOR LARGE TANKS AND BULK PLANTS Relief Valve Manifolds The A1416 relief valve manifold is used on large NH3 tanks to allow removal of a relief valve for inspection or replacement without the need of evacuating the tank. Adequate relief protection must be provided by the remaining relief valve in the manifold. Bleeder valves relieve vapour pressure under each relief valve after closing the manifold port, and each port can be closed separately, meeting code requirements. Soft seats allow bubble tight closure of each port. The ME904S Series is designed for use with large LPG & NH3 stationary storage containers with flanged openings. These Relief Manifolds have an additional relief valve excluded from the flow rating, which allowing for service and/or exchange of any one relief valve without evacuating the tank. Features Heavy duty ductile iron body, durable V-cup Teflon packing stem seals, Molded rubber weather guard for manifold rotary gear with port plug & integral break- away component, leaving seat and seal intact. Available with Nitrile or Viton trim. Also available for NH3 applications with a 265 PSI Setting. NEE # Tank Connection Size Start to Discharge Setting # of Relief Valves Includes A1416 2” F NPT -- 2 Body only ME904S-3F/250CN 3” 300# Modified ANSI Flange 250 PSI 4 Manifold + 4 Valves ME904S-3F/250VM ME904S-4F/250CN 4” - 300# Flange ME904S-4F/250VM Notes for A1416: - Relief Manifolds options include A1416A (2” FNPT, 250 PSI) & A1416B (2” FNPT, 265 PSI) - Relief Valves sold separately (A1310A & A1310B ) for A1416A & B respectively - Furnished with 2” X 2” MNPT Nipple - Container relief capacity requirements must be met with 1 valve. Accessories NEE # Description MEP104-24 3” FNPT x 3” FNPT Pipe-away Adapter, with Breakaway Groove NEE # Description ME904SK 8 Stud/Nut Universal Mounting Kit Internal Relief Valves for Domestic Storage Tanks Relief valves are designed to protect the container they are installed in, and they must be capable of relieving a volume that is determined by the size of the tank. When sizing a relief valve for a specific container, review the manufacturer’s data to confirm that the flow capacity of the valve is adequate. NEE # Tank Connection Size Relief Setting Protective Cap Application UV433AM 3/4” 250 PSI 433-45A 123 - 320 USWG ASME Tanks UV443AM 1” 443-45A 500 USWG ASME Tanks UV445AM UEP16Y 123 USWG ASME Tanks UV453AM 1 1/4” 453-45A 1000 USWG ASME Tanks PVE445AT 1” 375 PSI UEP16Y 420 # DOT Cylinders ME904S A1416 UV Series
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