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 5895-01-037-0061
NSN 6620-00-251-0569
NSN 5920-01-206-3977
NSN 5925-01-659-7872
NSN 5985-01-438-3086
NSN 6110-00-496-9887
NSN 6110-01-649-1302
NSN 7035-00-631-3782
NSN 5996-00-737-0646
NSN 6620-01-286-6769
NSN 5985-00-823-9930
NSN 5895-01-392-1054