... , BS4772 , AWWA C110 . 2.size:DN80-DN2600mm; 3.material:ductile iron. Ductile Iron Pipe Fittings 1, Standards : ISO2531, ISO4422, EN545 , EN598 , ... , AWWA C110 . 2, Material : GGG500-7 or other Ductile iron . 3, Coating : fusion bonded epoxy coating ; cement lining ... flanged pipe fittings , push-on Tyton socket fittings , ductile iron/PVC fittings , K typebolted gland fittings , AWWA C110 flanged ...