Common Types of Ball Valves
In general, there are five types of ball valves that provide a similar function and are operated the same. The biggest difference, though, is in body construction and how the balls are contained in the assembly’s casing. Body styles include split body, top entry, single body, three-piece body and welded.
Plus, ball valves are also determined by the type of opening within the ball. Different types of bores result in added precision when turning off the valve, they can contain more than one open or closed setting, and they can be fashioned to prevent buildup behind the ball. The size of the bore, or port, can also be the same size as the pipeline or a reduced size, which results in a restricted flow. Bore types include:
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