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          WN flange

          Time：2011-09-29 14:34　The author ：KANGHAO HIGH PRESSURE PIPE FITTINGS FACTORY　Click： Number
          Tel：0317-6864166
          Fax：0317-6815061
          Mobile Phone：15127718361
          Specification

          It is introduced from abroad, mostly used in gas valve, natural gas pipe line etc.
          Difference of PL and WN flange:
          Medium: PL flange is used in normal medium;
          　　　　 WN flange is used in inflammable, explosive and strong corrosive medium.
          Type of sealing face: PL flange: RF
          　　　　　　　　　 WN flange: RF, MF, TG

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