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 6650-01-241-7978
NSN 4140-01-356-6126
NSN 5998-01-130-6810
NSN 6110-00-913-9276
NSN 5855-00-688-9954
NSN 5998-00-824-6336
NSN 6130-01-408-7820
NSN 5965-00-898-1356
NSN 6135-01-346-0851
NSN 5999-01-437-9043
NSN 5985-00-451-0022
NSN 6620-01-581-8283