A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second 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. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 6645-00-412-8633
NSN 5945-00-283-3048
NSN 6685-00-243-5367
NSN 5950-00-369-1593
NSN 6650-01-101-6622
NSN 5975-01-267-0448
NSN 5965-01-086-0081
NSN 6620-01-031-8180
NSN 6130-01-336-4304
NSN 6220-01-607-3546
NSN 5998-00-517-9170
NSN 5985-01-370-6145