CONFIRM TO ISO2531,BSEN545.DN80-DN2600MM CENTRIFUGAL DUCTILE IRON PIPE FITTING HAVE THIN PIPE WALL,GOOD TOUGHNESS,ANTI CORROSION,LONG SERVICE LIFE,EASY APPLICATION AND REASONABLE COST PERFORMANCE.DOUBLE SOCKET TAPER,DOUBLE FLANGED TAPER,DOUBLE SOCKET MJ REDUCERS.