... - 24" Advantage:15-4000mm Pressure class:150-900lb ASME/A234 WPB/WN-RF flange forged1. DN15-DN2000, ... A234 GR WP5,4. GB12459-90,GB/T13401, ASME/ANSIB16.9, DIN2605,JISB2311a. Flange spigot ductile iron pipe ... quality with best price. c.in.potland cement. d. out.zinc plus bitumeWith high quality , prompt dedelivery ... abroad, including Germany,New Zealand, Denmark ASME/A234 WPB/WN-RF flange forged DIN