A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 5925-00-985-0908
NSN 5915-00-222-6031
NSN 4140-00-415-6513
NSN 5920-00-888-7737
NSN 6320-01-643-0850
NSN 6220-00-816-8131
NSN 2925-01-354-1752
NSN 5895-00-597-8725
NSN 5998-00-935-2510
NSN 6220-01-519-2892
NSN 5895-01-175-9859
NSN 6220-01-358-9975