A butterfly valve is a quarter-turn rotational motion valve, that is used to stop, regulate, and start flow.
Butterfly valves are easy and fast to open. A 90° rotation of the handle provides a complete closure or opening of the valve. Large butterfly valves are usually equipped with a so-called gearbox, where the handwheel by gears is connected to the stem. This simplifies the operation of the valve, but at the expense of speed.
Typical applications of Butterfly Valves
A butterfly valve can be used in many different fluid services and they perform well in slurry applications. The following are some typical applications of butterfly valves:
Advantages and disadvantages of Butterfly Valves
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