butterfly valve

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butterfly valve
top: open valve
bottom: closed valve

butterfly valve

n.
1. A disk turning on a diametrical axis inside a pipe, used as a throttle valve or damper.
2. A valve composed of two semicircular plates hinged on a common spindle, used to permit flow in one direction only.

butterfly valve

n
1. (Mechanical Engineering) a disc that acts as a valve by turning about a diameter, esp one used as the throttle valve in a carburettor
2. (Mechanical Engineering) a non-return valve consisting of two semicircular plates hinged about a common central spindle

but′terfly valve`


n.
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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.butterfly valve - a valve in a carburetor that consists of a disc that turns and acts as a throttlebutterfly valve - a valve in a carburetor that consists of a disc that turns and acts as a throttle
carburetor, carburettor - mixes air with gasoline vapor prior to explosion
valve - control consisting of a mechanical device for controlling the flow of a fluid
References in periodicals archive ?
Contract award notice: Delivery of butterfly valves and butterfly valves type "butterfly"
Under the terms of the agreement, NF Energy Saving will supply electric butterfly valves and hydraulic control butterfly valves with DN400-DN2800.
The ability to use with Asahi/America Type-57, Type57IL, Type-57LIS, Type-56, and Pool-Pro butterfly valves in sizes 1 1/2 to 16".
The total order includes six sets of DN2400 butterfly valves, with energy storage tank type hydraulic control, and eight sets of DN2800 electric butterfly valves.
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.
Crane ChemPharma & Energy has announced that its Center Line 200 resilient seated butterfly valves are now NSF-61 and NSF-372 certified for potable water and lead-free service.
will showcase maintenance-freetriple-offset butterfly valves for Liquefied Natural Gas (LNG) transport.
The launch of the range of Butterfly valves follows Burkert UK's recent introduction of Ball valves in sizes up to 4in.
The QM unit and Series 94 quarter-turn actuator can be mounted to Asahi/America Type 57 butterfly valves (sizes 1-1/2-4 in.
Quarter-turn reversing actuators are designed for use with all ball and butterfly valves or dampers requiring torque outputs from 50 to 445 in.
The pneumatic operated butterfly valves before the ejectors are interlocked together with the pneumatic slurry gate valves that are built in after the ejector, so that by opening the butterfly valve at the water-side the slurry gate valve after the ejector opens simultaneously and during the closing of the water-side butterfly valve the slurry gate valve closes.