A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first 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. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.
NSN 5996-01-537-1150
NSN 6135-01-213-7339
NSN 5925-00-468-2757
NSN 6150-01-156-8518
NSN 6645-01-400-2119
NSN 5925-01-605-1810
NSN 5920-00-042-9165
NSN 6145-01-616-1500
NSN 6240-00-900-7674
NSN 5920-01-551-1295
NSN 6645-01-187-3704
NSN 5895-01-495-2720