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 6620-00-025-1889
NSN 7035-00-541-8516
NSN 5998-01-079-0291
NSN 5999-00-498-0027
NSN 6135-01-603-8367
NSN 6105-00-993-5244
NSN 6620-00-837-9484
NSN 6130-01-079-1241
NSN 5990-00-098-5033
NSN 5925-00-182-7452
NSN 6685-00-738-2525
NSN 5930-01-063-7497