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 6220-01-141-8200
NSN 6130-01-231-5511
NSN 4140-00-422-5571
NSN 5935-00-988-9110
NSN 5910-00-290-1420
NSN 6105-01-401-5361
NSN 5915-01-525-4083
NSN 5935-01-527-8003
NSN 5915-01-157-2807
NSN 5945-01-361-9116
NSN 6145-01-364-6011
NSN 6650-01-003-9355