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 6135-00-334-4500
NSN 6240-00-541-7032
NSN 6620-01-419-5498
NSN 5905-01-520-5659
NSN 5905-01-455-8969
NSN 5835-00-411-0591
NSN 6130-01-602-0085
NSN 6240-01-113-2396
NSN 6110-01-443-6223
NSN 6105-00-109-3633
NSN 5985-00-839-5752
NSN 6135-00-567-1322