Kennedy Butterfly Valve

butterfly valve
A butterfly valve is a valve which can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of a ball valve, which allows for quick shut off.
A valve consisting of a disk rotating on an axis across the diameter of a pipe to regulate the flow, as in the throttles of many engines
A valve consisting of a pair of semicircular plates that are attached to a spindle across a pipe and hinged to allow flow only one way
(Butterfly Valves) A valve consisting of a cylindrical body with a rotating vane to control flow. Tight Shutoff is obtained by an elastomer body liner into which the vane seats.
a valve in a carburetor that consists of a disc that turns and acts as a throttle

kennedy
35th President of the United States; established the Peace Corps; assassinated in Dallas (1917-1963)
a large airport on Long Island to the east of New York City
William (Joseph) (1928–) US writer. His novels include Ironweed (1983), Quinn's Book (1988), Very Old Bones (1992), and Roscoe (2002)
Kennedy, or Ciudad Kennedy, is the eighth locality of Bogota, capital of Colombia. It is located in the south-west of the city and is the most populous of all localities being home to 14% of the city's residents.