butterfly valve

Definition of Butterfly Valve in English :

1. butterfly valve

a valve in a carburetor that consists of a disc that turns and acts as a throttle

WordNet Lexical Database for English. Princeton University. 2010.

Butterfly Valve

noun

1.

a disc that acts as a valve by turning about a diameter, esp one used as the throttle valve in a carburettor

2.

a non-return valve consisting of two semicircular plates hinged about a common central spindle

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

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.