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 6135-01-280-2883
NSN 5835-00-930-8500
NSN 6685-01-227-3701
NSN 4140-01-653-0130
NSN 6150-01-030-6184
NSN 4140-01-023-1537
NSN 6650-00-059-6268
NSN 6135-01-505-1293
NSN 6645-01-116-0750
NSN 5985-01-581-9846
NSN 6145-00-512-6675
NSN 5915-00-870-4654