Ductile iron Backing Rings
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              Ductile Iron Backing Rings
              ANSI CL150  Backing Rrings
              Material:  Ductile Iron ASTM A536 Gr 65-45-12
              Size:SDR7  1”~12”
                   SDR11  2"~24"
              Coated : Antirust Paint, Epoxy Paint,Fustion bound epoxy paint, hot dip galvanized, PP covered
               
               
              DIN/ EN Backing Rings
              Material: Ductile Iron GGG40
              Size:DN63~180  PN10/16
                 DN200~315  PN10
              Coated : Antirust Paint, Epoxy Paint,Fustion bound epoxy paint, hot dip galvanized, PP covered
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