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 5990-00-458-3113
NSN 6650-01-430-4126
NSN 2925-01-477-8037
NSN 6610-01-202-7404
NSN 6645-00-832-1609
NSN 6650-01-632-1574
NSN 5905-01-615-0965
NSN 5975-01-353-3684
NSN 5998-00-661-0380
NSN 6645-01-099-4322
NSN 6110-00-752-2757
NSN 5910-00-119-3319