valves with a circular body and a rotary motion
disk closure member which is pivotally supported by its stem.

A Butterfly

valve can come in various styles including eccentric and high-performance valves.

These are normally a type of valve that uses a

flat plate to control the flow of water.

As well as this, Butterfly valves are used on fire apparatus and
typically

are used on larger lines, such as front and rear suctions and
tank to pump lines.

A Butterfly valve is also a type of flow

control device, used to make a
fluid start or stop flowing through a section of pipe. The valve is
similar in operation to a

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