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 5905-00-923-5066
NSN 6220-00-507-9831
NSN 6220-00-010-1595
NSN 6240-01-275-4535
NSN 6645-01-286-9115
NSN 5905-00-151-6653
NSN 5835-01-538-8080
NSN 5915-01-164-0315
NSN 4140-00-541-8861
NSN 6645-01-322-1333
NSN 5975-00-528-9774
NSN 6110-01-213-4973