DN80-2000, PN10,PN25,PN16 FLANGE FITTING FOR DUCTILE IRON PIE ISO2531,EN545 DN80-2000MM ISO9001:2000 BLUE EPOXY COATING Flange fitting for Ductile iron pipeZhucheng ... ,EN598,BS4772,ANSI,AWWAC110,C153 ECTcertificatesISO9001,ISO14001,ISo18001 & ISO2531,EN545 standard certificates. color green blue red black as required. Flange fitting for Ductile ...