... EN545, EN598 ANSI Procedure shows as below Ducitle iron pipe fitting----tee taper elbow adaptor *Standard DN80-2000mm,K12 ... 14,PN10/12/25 *material Ductile cast iorn tee pipe fitting *Standard ISO2531, BS EN545, EN598 ANSI * ... Workshop IV --------testing ............... .......... production protection treatment , warehouse ..... ducitle iron pipe fitting----tee elbow taper/reducer adaptor ect