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The Butterfly valve offers a rotary stem movement of 90 degrees or less, and it is a compact design.
Unlike the ball valve, a butterfly valve does not have any pockets for fluids to become trapped in when the valve is closed.
It is available in all sizes and can be used with almost all services.
There are several body style variants and seal types.
The flange type or lug style, can be held between flanges of any type.
If the wafer style is used avoid placing it between either slip on or screwed flange types.
Some wafer body styles will not form a proper seal.
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