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 5855-01-396-0258
NSN 5855-01-363-8646
NSN 5925-00-197-4329
NSN 6150-01-432-3809
NSN 5915-01-633-9845
NSN 7035-01-619-5073
NSN 5925-00-211-4313
NSN 5915-00-146-8566
NSN 6685-00-075-0669
NSN 6130-01-472-2124
NSN 5998-01-607-3685
NSN 6620-01-630-6759