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 5895-01-571-3624
NSN 6110-00-106-5328
NSN 6110-01-652-9767
NSN 6685-01-440-3316
NSN 5945-01-039-0643
NSN 6220-01-603-8811
NSN 5925-00-269-2685
NSN 6105-01-143-4878
NSN 6135-01-218-3660
NSN 6645-00-171-9251
NSN 5835-01-216-1215
NSN 6620-01-130-2626