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 6620-01-177-5567
NSN 2925-01-422-1542
NSN 6610-01-400-3880
NSN 6150-00-208-1741
NSN 5950-01-346-6075
NSN 6645-01-366-5033
NSN 6150-00-602-5026
NSN 5895-00-869-1577
NSN 6130-01-572-8906
NSN 5920-01-420-5768
NSN 5960-00-929-1276
NSN 6105-01-564-7481