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 ?
Available in sizes from 3" - 12" / DN80 - DN300 and rated at 16 bar (230psi), the single plate Wafer Check Valve adds to Shipham Valves existing range of composite valves.
Tenders are invited for Purchase of Wafer Check Valve
GF Piping Systems has introduced the Type 369 Wafer Check Valve.