DN80-2000mm,PN10/16/25,K12 ISO2531, EN545, EN598, BS4772 Ductile cast iron taper pipe fitting Produce process show as below: DCI taper pipe fitting with high quality and best priceDN80--2000mm,PN10/16/25,K12/14ISO2531, BS EN545,EN598 ,ANSI ,ANWWACDuctile iron tee pipe fitting, DI GGG500-7,450-12*Procedures of production show as below : workshop I ------ Foam Expander Workshop II ------- casting ...