Valve size 3 inch
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 5990-01-378-7349
NSN 5975-01-423-4020
NSN 6105-01-468-5605
NSN 6645-00-012-5834
NSN 6145-00-964-5194
NSN 6220-01-249-8571
NSN 5998-01-302-5033
NSN 5855-00-491-7079
NSN 5998-00-845-4873
NSN 6220-01-076-5057
NSN 5999-00-765-7078
NSN 6135-01-616-9489