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 5996-01-342-4155
NSN 5935-01-268-1354
NSN 5910-00-678-8174
NSN 5985-00-433-5196
NSN 6220-00-255-5652
NSN 6110-00-053-9986
NSN 6650-01-029-2995
NSN 5905-01-069-2533
NSN 5920-01-142-1836
NSN 2925-00-406-4381
NSN 5925-01-246-9620
NSN 5905-01-608-3607