Page 106 - Valve Selection Handbook
P. 106

Manual  Valves                       93






























          Figure 3-51. Cylindrical Plug Valve with  Expandable  Split Plug. (Courtesy of Langley
          A/Joys Limited.)































          Figure 3-52.  Cylindrical Plug Valve with O-Ring Seat Seal. Valve Shown in Closed
          Position.  (Courtesy ofOrseal  Limited.)
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