Butterfly valve — Butterfly But ter*fly , n.; pl. {Butterflies}. [Perh. from the color of a yellow species. AS. buter fl[=e]ge, buttor fle[ o]ge; cf. G. butterfliege, D. botervlieg. See {Butter}, and {Fly}.] (Zo[ o]l.) A general name for the numerous species of… … The Collaborative International Dictionary of English
butterfly valve — n. a disk shaped valve turning on an axis along its diameter, serving esp. as a damper in a pipe or as a choke or throttle in a carburetor … English World dictionary
Butterfly valve — A butterfly valve is a type of flow control device, typically used to regulate a fluid flowing through a section of pipe. The valve is similar in operation to a ball valve. A flat circular plate is positioned in the center of the pipe. The plate… … Wikipedia
butterfly valve — 1. a clack valve having two flaps with a common hinge. 2. a valve, as the throttle valve in a carburetor, that swings about a central axis across its face. [1860 65] * * * … Universalium
butterfly valve — noun Date: 1846 1. a valve consisting of two semicircular clappers hinged to a cross rib that permits fluid flow in only one direction 2. a damper or valve in a pipe consisting of a disk turning on a bisecting axis … New Collegiate Dictionary
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 … Aviation dictionary
butterfly valve — noun a valve in a carburetor that consists of a disc that turns and acts as a throttle • Hypernyms: ↑valve • Part Holonyms: ↑carburetor, ↑carburettor … Useful english dictionary
butterfly valve — noun a valve consisting of a rotating circular plate or a pair of hinged semicircular plates, mounted inside a pipe … English new terms dictionary
butterfly valve — /ˈbʌtəflaɪ vælv/ (say butuhfluy valv) noun 1. a double clackvalve (as in a lift pump piston) which consists of two semicircular clappers hinged to a cross rib. 2. a damper or throttle valve in a pipe which consists of a disc turning on a… …
butterfly valve — Смотри поворотная заслонка … Энциклопедический словарь по металлургии