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 6685-00-851-7425
NSN 5910-00-624-0138
NSN 5998-00-741-2321
NSN 4140-01-331-2887
NSN 6620-00-115-9050
NSN 6685-01-331-9244
NSN 5998-01-426-4590
NSN 6110-01-233-5773
NSN 2925-01-266-5229
NSN 6620-00-203-9466
NSN 6610-01-573-5949
NSN 6650-00-302-3707