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 6150-01-491-6920
NSN 6650-01-528-3890
NSN 6130-01-268-4227
NSN 4140-01-109-0451
NSN 6240-01-144-2379
NSN 5925-01-253-0066
NSN 5990-00-764-7487
NSN 6620-01-279-4353
NSN 6620-01-210-4401
NSN 6220-01-432-2831
NSN 6150-01-455-4639
NSN 5945-01-070-9131