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 6320-01-416-9357
NSN 5998-00-542-9656
NSN 6150-00-185-3293
NSN 5950-01-364-0800
NSN 6105-01-502-1064
NSN 5935-00-275-7862
NSN 6110-01-186-0010
NSN 5855-01-258-6180
NSN 6105-00-438-9131
NSN 6320-00-194-4252
NSN 6620-01-359-9363
NSN 4140-00-885-5958