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 2925-01-541-5031
NSN 5990-01-345-1468
NSN 5895-01-012-2202
NSN 6620-01-026-1776
NSN 6610-00-726-0247
NSN 6220-00-466-2681
NSN 4140-00-293-7847
NSN 5910-00-185-6588
NSN 6135-01-660-2840
NSN 6610-01-083-1446
NSN 6135-00-080-9176
NSN 5905-01-541-2621