Check valves in a variety of materials and sizes
This company has added the Adapter Valve (photo) to its full-service line of spring-loaded piston-type check valves. The Adapter Valve is available in two styles, model AM (MNPT x FNPT) and model AF (FNPT x MNPT). Both models have the same size pipe thread on both ends for installation where a threaded straight adapter is needed. The one-piece body design is machined from high-quality bar stock. The valves are available in sizes 1/2 to 4 in. (NPT threads). Body materials include 316 stainless steel, brass, carbon steel, Alloy 20, Alloy B, Alloy C-276, Monel 400 and titanium. Seat materials are available in AFLAS, Buna-N, EPDM, Kalrez, “Metal-to-Metal”, Neoprene, PTFE and FKM. Springs are available in 316 stainless steel, Alloy C-276, Alloy B, Inconel X750, Monel 400, 17-7PH stainless steel and titanium. — Check-All Valve Mfg. Co., Des Moines, Iowa