butterfly valve


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butterfly valve

[′bəd·ər‚flī ‚valv]
(engineering)
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.

butterfly valve

butterfly valve
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.

butterfly valve

butterfly valve
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
References in periodicals archive ?
Simon Walker, technical authority for Butterfly Valves who was one of the engineers involved in the design and development of the patented technology Severn Leeds
Technavio's market research analysts expect the global butterfly valves market to grow significantly, posting a CAGR of over 6% in the forecast period, which is driven by the booming oil and gas industry in Latin America, Africa, and the Middle East.
In the present study, we have performed a shape optimization of the disc in an industrial double-eccentric butterfly valve using the effect analysis of design variables to enhance the valve performance.
He admits that the idea of using manually operated butterfly valves to do this task isn't new.
The modal analysis for the butterfly valve was performed using the finite element method via the commercial software, ANSYS Workbench [13].
Commercially with the required accessories for the silo safety system you can expect to pay about the same price for an AKO/RGS pinch valve as you would for a butterfly valve. AKO and RGS manufacture in the UK ensuring the best possible service.
For example, on butterfly valves, the jackets concentrate heat on the packing, bearing ends, and flanges.
The Type 57 butterfly valve is the newest addition to a line of thermoplastic valves and valve accessories.
This is accomplished by simply closing a butterfly valve and lifting the frame out of a stationary feeding station, according to the literature.
For instance, they have developed an aseptic sample valve for WFI and other water of product systems, and their double block and bleed butterfly valve will be shown in a new application