DN D k N.W kg for L mm 1000 1500 2000 2500 3000 A-80 200 160 17.50 23.50 29.50 35.60 41.70 B-100 220 180 21.50 29.00 36.50 44.00 51.60 B-125* 250 210 26.90 36.30 45.80 55.20 64.60 B-150* 285 240 32.20 43.60 55.00 66.40 77.80 A-200* 340 295 44.50 59.90 75.20 90.40 105.80 A-250* 400 350 60.00 80.00 100.10 120.20 140.30 A-300* 455 400 76.90 102.20 127.70 154.10 178.50 For water and netural media up to 70?C at max Operating pressure:DN 80-150 16bar DN 200-300 10bar. PipeA: ductile cast iron class K9,technical requirements acc. To ISO 2531 Coating: bitumen-coated inside mental spray coat of zinc outside and top coat; Pipe B: of ductile cast iron GGG400 acc to EN 1563,epoxy fluidized bed coating; scewed onto the pipe, thread sealed and secured with epoxy resin; 250μm minimum coating thickness. Pipes can be specified at each optional length, though up to DN 250 not shorter than 750 mm and if higher than DN 250 not shorter than 1000 mm By standard,pipes are supplied in class K9.