Special Purpose Valves

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DEMA’s special purpose valves are “manifolding” diaphragm valves constructed of 30% glass filled polypropylene or glass filled nylon that can be joined together to form a manifold without bushings or connectors. The P404J is made from glass filled polypropylene, has an EPDM seal, is rated up to 125 psi, and has ½” pipe and 3/8” orifice size. The 466P is made from glass filled nylon, has a Viton seal, is rated up to 150 psi, and has 3/4” pipe and orifice size.