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 6610-01-121-4925
NSN 6240-01-576-4297
NSN 6220-01-334-0613
NSN 5895-01-285-5834
NSN 5960-01-536-9763
NSN 6110-00-130-5342
NSN 5835-01-216-7289
NSN 6645-00-547-4388
NSN 6650-01-310-7403
NSN 6110-00-285-1895
NSN 5855-01-628-6427
NSN 5910-01-007-4665