Pilot operated reverse flow
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 materials other than copper, iron or steel
NSN 6685-01-401-5360
NSN 6220-01-549-4702
NSN 5960-01-116-2092
NSN 5990-01-548-3711
NSN 5935-01-425-2751
NSN 5895-01-625-9771
NSN 6650-01-423-8131
NSN 6105-01-582-4308
NSN 5960-00-099-9790
NSN 5975-01-437-7048
NSN 6650-01-183-0711
NSN 5895-01-224-4261