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 6240-01-504-3653
NSN 5925-00-071-7689
NSN 6105-00-141-5598
NSN 6220-00-488-9517
NSN 6105-01-508-0231
NSN 6220-01-242-9901
NSN 6130-01-517-0196
NSN 5915-01-426-8862
NSN 6620-00-098-5652
NSN 6240-00-899-6990
NSN 6620-00-945-3072
NSN 6645-01-448-5143