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 5935-01-645-8633
NSN 5930-00-489-0223
NSN 6135-00-016-0071
NSN 6320-01-320-3305
NSN 4140-01-483-8040
NSN 5915-01-570-1782
NSN 5945-01-497-6979
NSN 6685-00-574-0113
NSN 6130-01-463-2539
NSN 6220-00-222-5663
NSN 5950-00-387-5741
NSN 6135-01-579-8864