Blind flange 1, Material: ductle iron GGG500-7,450-10 2, Size : DN80-2000, PN10/16/25 3, Standard: ISO2531,EN545,EN598,BS4772 Ductile Iron pipe with ISO2531 EN545 Blind or blank flange1), Product Information The ductile iron pipe are mainly used for transferring the drinkable water,waste water and for irrigation.The diameter is from DN80-DN2000,K8/K9/K10/K12, Tyton socket and spigot,the standard ...