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 6110-01-615-9705
NSN 5975-01-282-9352
NSN 5935-01-648-5057
NSN 5998-00-549-6670
NSN 6610-00-250-5344
NSN 6240-01-364-8696
NSN 5935-00-675-6098
NSN 5855-01-111-3962
NSN 5998-00-884-0791
NSN 6130-00-647-8471
NSN 6650-00-754-2276
NSN 5950-01-317-6976