给水管管径计算表
W m/s Dg mm G T/h15202532405070801001251500.7G0.430.821.332.413.135.4912.621.9633.48541G0.611.181.913.424.57.5612.617.831.1447.767.31.2G0.7561.3322.344.145.49.1815.1221.4237.4457.681.81.5G0.931.722.885.146.8415.419.0826.846.872102.62G1.182.343.786.84915.325.3835.862.695.4136.8注：空调手册：DN<250 V=1.5~2m/s DN>=250 V=2~2.5m/s
水泵入口：V=1.2~2.1 水泵出口:V=2.4~3.6 主管：V=1.2~4.5 立管：V=0.9~3 支管：V=1.5~3 自来水：V=0.9~2.1
2.5G4.788.5311.3419.0831.4.4678.3118.8169.2
