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 6240-01-231-9243
NSN 5950-00-959-2609
NSN 7035-01-019-5729
NSN 5905-00-648-2323
NSN 6220-00-237-5702
NSN 7035-00-360-2008
NSN 6135-01-532-4104
NSN 5925-00-497-8876
NSN 5996-01-542-1407
NSN 6145-00-221-8893
NSN 5920-00-762-0620
NSN 2925-01-651-4870