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 6685-00-870-8097
NSN 6105-01-193-1664
NSN 6135-01-151-2705
NSN 5925-01-564-8576
NSN 5960-01-181-2143
NSN 5999-00-171-8858
NSN 6610-01-326-0119
NSN 6650-01-101-9023
NSN 5975-01-133-2738
NSN 5915-01-370-0697
NSN 6320-01-506-9439
NSN 6620-01-557-6512