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 5920-01-497-9528
NSN 6135-01-619-6293
NSN 5965-01-116-1886
NSN 5855-01-125-4768
NSN 6240-01-345-0526
NSN 5999-01-090-3497
NSN 5915-00-489-8965
NSN 5996-01-554-0479
NSN 5998-00-395-0295
NSN 6105-01-260-3629
NSN 5996-00-177-8722
NSN 6130-01-206-4032