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 4140-01-454-0227
NSN 5998-01-435-0713
NSN 6130-00-660-5542
NSN 6620-00-495-7438
NSN 5999-00-633-2700
NSN 5960-01-301-3315
NSN 5905-00-010-1692
NSN 6135-01-199-1185
NSN 5895-00-736-8814
NSN 5950-01-065-2288
NSN 5930-01-028-5620
NSN 4140-00-717-6123