A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.
Classification: Butterfly type taps, cocks and valves of copper, hand operated, having a pressure rating of 850 kpa or over
NSN 5999-01-227-7062
NSN 5935-00-941-7823
NSN 6240-00-456-2578
NSN 5935-00-249-3319
NSN 6220-00-185-3131
NSN 2925-00-156-0999
NSN 5930-00-210-3021
NSN 5945-00-647-0538
NSN 6220-01-094-5551
NSN 6150-01-263-3598
NSN 2925-00-008-5485
NSN 6650-01-314-8454