各种规格管径所承担的供热面积汇总表公称直径管径/mm流速/(m/s)流量/(m3/s)比摩阻/(Pa/m)所承担的负荷/（万 m2）DN100Ø108×40.70.0055071.52.169DN125Ø133×40.640.0078544.33.096DN150Ø159×50.720.012644.94.969DN200Ø219×60.860.028942.311.398DN250Ø273×61.030.055145.021.731DN300Ø325×71.150.087444.734.470DN350Ø377×71.260.13044.651.270DN400Ø426×71.350.18043.570.990DN450Ø478×81.470.24644.997.019DN500Ø529×81.530.31642.5124.627DN600Ø630×91.750.51544.5203.110DN700Ø720×101.860.71642.7282.382DN800Ø820×102.061.03544.2408.191DN900Ø920×122.171.36842.5539.523DN1000Ø1020×142.361.82444.6719.363
