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 4140-01-501-0111
NSN 7035-01-121-5905
NSN 6650-01-364-1313
NSN 5855-01-003-7102
NSN 5910-00-269-4755
NSN 5960-01-174-6975
NSN 4140-01-309-1368
NSN 5895-01-074-2784
NSN 6320-00-593-0379
NSN 5915-01-608-4816
NSN 5910-01-630-2238
NSN 4140-00-755-6814