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 6130-01-423-8338
NSN 6610-01-232-4802
NSN 5920-01-224-0355
NSN 6320-01-519-8767
NSN 6645-00-503-1379
NSN 6130-00-323-8300
NSN 6685-00-177-6491
NSN 6130-01-147-5594
NSN 4140-01-431-9821
NSN 5835-00-813-1724
NSN 5915-01-089-5325
NSN 6135-00-243-8330