DUCTILE IRON PIPE FITTINGS ISO2531 EN545 EN598 AWWA JISG5527 AS2280 DN50-DN1400MM Our company are specialized in fabricate the pipe fittings since 2002. now most standard Ductile iron pipe fittings avaliable:EN545/598/969, BS4772, ISO2531, AS2280,JIS G5527,AWWA C110,AWWA C153Size: DN50-DN1400MMCurrent production line:1. DISA line, for less than 50kg/pce, typical products: gland, flange, trench ...