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 materials other than copper, iron or steel
NSN 5960-01-451-6757
NSN 6130-01-524-0651
NSN 6145-01-370-1242
NSN 5999-01-384-3532
NSN 5925-00-525-4037
NSN 6650-01-324-6458
NSN 6685-00-513-0412
NSN 5920-00-787-8033
NSN 5910-01-512-8782
NSN 6110-01-571-5336
NSN 6620-01-420-7465
NSN 6150-00-081-9928