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butterfly valve

   Also found in: Wikipedia 0.53 sec.
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.
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butterfly valve
top: open valve
bottom: closed valve
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.butterfly valvebutterfly 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


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? Mentioned in ? References in periodicals archive
 
A suction butterfly valve streamlines maintenance by enabling pump replacement without draining the tank.
Pump tanks operate at lower fill levels by Plastics Technology
This is accomplished by simply closing a butterfly valve and lifting the frame out of a stationary feeding station, according to the literature.
Carbon black batching by Rubber World
When maximum reliability is required in high-end industrial butterfly valve applications where cost is not a consideration, PVC and CPVC are the materials of choice, not metal.
Roberts Irrigation touts PVC butterfly valves. (Irrigation Focus) by Implement & Tractor
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