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 4140-01-108-9084
NSN 4140-01-474-5701
NSN 6620-01-345-1336
NSN 2925-01-068-3844
NSN 5935-01-056-3657
NSN 5915-01-011-4750
NSN 6320-01-329-2297
NSN 6320-01-411-7456
NSN 6110-00-810-4142
NSN 6685-01-514-6636
NSN 5999-00-960-8232
NSN 5975-01-074-2874