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 steel, hand operated
NSN 5920-01-461-7676
NSN 6685-01-439-8027
NSN 6150-00-666-3635
NSN 2925-00-480-9068
NSN 5998-00-526-3239
NSN 6145-01-127-1622
NSN 6240-01-189-6955
NSN 5925-00-070-4387
NSN 6645-01-420-5623
NSN 2925-01-446-6523
NSN 5835-01-469-6009
NSN 5945-01-590-0251