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 iron, hand operated
NSN 6620-01-020-4526
NSN 6650-00-981-1336
NSN 4140-01-347-6503
NSN 2925-01-063-7876
NSN 5915-01-564-0972
NSN 6610-00-075-2156
NSN 5895-01-492-6233
NSN 5950-01-253-9765
NSN 5935-01-530-2656
NSN 5945-00-203-5925
NSN 6135-00-764-8680
NSN 5950-01-605-3104