How to select premium butterfly valves (2) Body

Author : Alex Source : Release on : 2018-11-27 13:53:58

Butterfly valve body styles largely depend on the valve’s location within a piping system. Valves in the middle of a process line, sandwiched between two mating flanges with bolts that pass through the valve and are not threaded into the valve body, are known as wafer style valves.

For end-of-line applications, lug style butterfly valves allow one mating flange to be removed. Threaded metal lug inserts are either overmolded into the valve body, or the valve body is molded or machined to accept a lug with an internal thread for mating flange bolts from either side of the valve.

Once downstream piping is removed, an end-of-line valve should be secured using a blind flange.

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How to select premium butterfly valves (2) Body

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