Ductile Iron Pipe Fittings
Dec 30, 2009
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 and zinc primer and bitumen painting outside ; bitumen painting.....