| http://www.w3.org/ns/prov#value | - After the valve assembly has been repaired or replaced, it is simply placed between the pipe flanges or placed in abutment with a single flange and bolted connection is readily established.Referring now to FIG. 10, there is shown a butterfly valve mechanism generally at 210 which is constructed in accordance with the present invention and which is especially suited to conditions of extremely high
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