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 6650-00-259-2605
NSN 5920-00-455-9743
NSN 6320-00-242-3300
NSN 5915-01-145-5340
NSN 5905-01-556-7315
NSN 5950-01-360-0171
NSN 5996-01-400-3558
NSN 6130-01-270-5608
NSN 5965-01-515-2009
NSN 5945-01-065-3949
NSN 5930-01-444-4907
NSN 5985-01-592-3455