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 5920-01-530-0424
NSN 6110-01-540-6805
NSN 5935-01-210-3264
NSN 6610-00-395-2574
NSN 6240-00-978-9752
NSN 5935-00-348-2697
NSN 5960-01-507-9112
NSN 5950-00-251-7314
NSN 6135-01-101-5039
NSN 7035-01-418-5499
NSN 5999-01-656-0119
NSN 6135-01-364-0667