... EN598 , BS4772 , AWWA C110 . 2.size:DN80-DN2600 3.material:ductile iron Ductile Iron Pipe Fitting 1.Standards : ISO2531, ISO4422, EN545 , EN598 , ... BS4772 , AWWA C110 .2.Material : GGG500-7 or other Ductile iron .3.Coating : fusion bonded epoxy coating ; cement lining inside ... : flanged pipe fittings , push-on Tyton socket fittings , ductile iron/PVC fittings , K type bolted gland fittings , AWWA C110 ...