Ductile Iron Fittings are used for in connection with Ductile Iron Pipes of both flange and socket ends. These have range of products such as Bends, Tees, Reducers, Collars, etc. and are connected either using SBR / EPDM Rubber Rings or Flange Rubber Gaskets & Nut Bolts. These are available in with PN ratings of PN 10 & PN 16