Valve size 4 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 5895-01-276-7242
NSN 6320-00-098-2858
NSN 5915-01-449-2708
NSN 7035-00-320-5644
NSN 5895-01-459-9830
NSN 5895-01-472-2476
NSN 5996-01-391-8853
NSN 5910-00-795-9655
NSN 5915-01-187-0728
NSN 5925-01-214-0438
NSN 6650-01-431-8933
NSN 4140-01-295-8264