Valve size 3 in.
A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.
Classification: Check valves of steel
NSN 5855-00-610-4052
NSN 6645-00-106-0140
NSN 6110-01-342-1932
NSN 5960-01-493-3948
NSN 2925-01-554-5246
NSN 5935-01-400-5949
NSN 5965-01-160-7037
NSN 6145-01-037-4721
NSN 5945-00-530-8417
NSN 6650-01-360-6577
NSN 5998-01-648-5256
NSN 6110-00-091-0436