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 6220-01-300-1653
NSN 2925-01-376-9236
NSN 6645-01-062-0905
NSN 5835-01-485-0210
NSN 6150-01-634-0575
NSN 7035-01-483-1776
NSN 6150-01-343-5667
NSN 2925-01-616-3037
NSN 6620-00-564-9412
NSN 5998-01-432-9591
NSN 5950-01-367-4321
NSN 6145-01-429-8529