1) Ductile cast iron fitting-All flanged tee 2)Class K9/K12/K14,PN10/16/25/40 3) ... 4)Strength,Durability 1.Ductile cast iron fitting-All flanged tee produced according to ISO2531, EN545, BS4772, EN598, AWWA C110.2 ... then plus bitumen / FBE coating.5. Fittings: All flanged tee, all socket tee, flanged bend, socket bend, blank flange, flange bell mouth ...