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.
Classification: Check valves of steel
NSN 5965-01-650-4385
NSN 6610-01-177-5033
NSN 5950-01-022-7168
NSN 6130-01-018-7988
NSN 5985-01-439-8726
NSN 5960-00-647-9159
NSN 2925-00-422-5159
NSN 5920-00-269-6178
NSN 5930-00-142-4753
NSN 5855-01-648-7687
NSN 4140-01-370-3936
NSN 5999-00-172-8761