Valve size 3 in.; disc is free to rotate to avoid localized wear
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 steel
NSN 6240-00-145-8167
NSN 5975-00-734-6243
NSN 6620-00-005-5624
NSN 5930-01-019-7518
NSN 6110-01-398-6928
NSN 5945-00-119-6174
NSN 5835-01-122-9657
NSN 6130-01-370-7256
NSN 5935-00-097-8155
NSN 5965-01-425-5857
NSN 6110-00-084-5371
NSN 6610-00-848-4764