1)Ductile Cast Iron Pipe 2)ISO2531, K9,diameter from DN80-DN2000 3)6m is standard length and best price 1), Product Information The ductile iron pipe manufactured ... /K12, Tyton socket and spigot,the standard length is 6m.2),Standard*conform to ISO2531/EN545/EN598/4179/81793), Material * Ductile Iron GGG500 ...