Butterfly Valves Manufacturers

Butterfly valve is a very effective way to control and adjust the flow of a gas or a liquid through a pipe. The valve itself is in the form of a circular disk and doesn't really resemble a butterfly at all. A metal spindle runs through the center of the disk lengthwise. The disk will rotate as the spindle is turned. When fully closed, the disk will completely block the pipe and arrest the flow of the media since the pipe also has a circular cross section. As the spindle is turned (usually via a knob, a lever, or an electric motor), the disk will rotate away from its fully closed pipe-blocking position. When fully open, the disk will present only its thin flat side to the direction of the flow, impeding it by only a very tiny amount. It's this property that makes butterfly valves near perfect flow control devices.