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 5855-01-556-7421
NSN 6645-00-909-2143
NSN 5960-00-678-6583
NSN 6130-00-766-0813
NSN 5950-01-319-9119
NSN 6645-01-356-1179
NSN 5930-00-892-1668
NSN 6240-01-188-6968
NSN 6645-01-101-9587
NSN 6130-01-350-8457
NSN 5950-01-497-8073
NSN 6620-01-547-2086