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 6135-00-990-1822
NSN 5998-01-578-4657
NSN 4140-00-894-1048
NSN 6645-01-589-8406
NSN 5998-01-097-2497
NSN 6620-01-401-5356
NSN 5925-01-429-7699
NSN 5925-01-527-8352
NSN 6130-00-528-7838
NSN 6610-01-010-3159
NSN 6145-01-082-2831
NSN 6150-01-631-3894