Used on fire fighting equipment
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 6645-00-492-9487
NSN 5855-00-281-3843
NSN 6150-00-013-5613
NSN 6135-01-550-8998
NSN 5998-01-403-2586
NSN 5835-01-416-6449
NSN 6685-01-168-5158
NSN 6685-01-372-3393
NSN 5960-01-428-7300
NSN 6620-01-121-0736
NSN 5996-00-199-0073
NSN 5835-00-537-7780