... K-type pipe fitting 1)material:ductile iron 2)size:DN80-DN2600 3)type:K 4)standard:ISO2531/EN545 Collar K-type pipe ... ductile iron2)size:DN80-DN26003)type:K4)standard:ISO2531/EN545/EN598Welcome to XinFeng Pipe Fitting Co.,Ltd.We are a ... ductile iron pipe fittings.We can supply various pipe fitting products,such as , flanged socket,flanged spigot,bend ... our best service to you. Collar K-type pipe fitting