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 copper, hand operated, having a pressure rating of 850 kpa or over
NSN 6145-00-007-3344
NSN 6610-01-053-6781
NSN 5835-01-535-8470
NSN 2925-01-309-5007
NSN 6320-01-285-1922
NSN 6150-01-222-0764
NSN 5855-01-047-3231
NSN 6220-01-614-6139
NSN 6685-01-233-6264
NSN 5965-01-440-9898
NSN 5985-01-592-7717
NSN 6650-00-717-8913