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          CAST IRON VALVES ---SWING 
          CHECK VALVE 
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         No. 
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         Part Name 
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         Material 
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         No. 
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         Part 
          Name 
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         Material 
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    |||||
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         1 
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          Body 
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         Cast Iron 
          ASTM A126 Class B 
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         5 
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         Nut 
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         Steel ASTM 
          A307-B 
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         2 
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         Disc 
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         C.I. + Bronze 
          / 13Cr / C.I. 
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         6 
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         Gasket 
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         Graphite 
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         3 
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          Seat Ring 
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         Bronze / 13Cr 
          / C.I.  
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         7 
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         Bolt 
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         Steel ASTM 
          A307-B 
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         4 
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         Hinge Pin 
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         ASTM A276-410 
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         8 
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         Cover 
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         Cast Iron 
          ASTM A126 Class B 
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