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 6110-00-166-7865
NSN 5855-01-432-2487
NSN 5960-01-425-1454
NSN 5996-01-655-1227
NSN 6150-01-386-6164
NSN 6320-01-089-9086
NSN 6610-01-005-9173
NSN 6220-01-216-3407
NSN 5920-01-085-6437
NSN 2925-01-190-7820
NSN 4140-00-314-1025
NSN 5990-00-776-4115