Valve size 4.000 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 copper having a pressure rating under 850 kpa
NSN 6620-01-352-5640
NSN 5965-01-107-8549
NSN 5945-01-032-4590
NSN 5996-01-552-8081
NSN 5998-01-529-0540
NSN 5910-01-070-2990
NSN 5925-01-464-1195
NSN 6110-00-651-1216
NSN 6645-00-241-3280
NSN 6685-00-999-1680
NSN 5945-01-570-4730
NSN 4140-00-951-3093