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butterfly valve[′bəd·ər‚flī ‚valv]
A valve that utilizes a turnable disk element to regulate flow in a pipe or duct system, such as a hydraulic turbine or a ventilating system. Also known as butterfly damper.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A valve used to control the flow of fluids; a disk controls flow through the port. Also called a butterfly damper.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
A valve consisting of a disc turning on its diametrical axis to control the flow of fluid in a round tube or pipe. When the valve is across the tube, the fluid flow is shut; and when it is parallel, the fluid is allowed to flow. Typically used in carburetors.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved