给水塑料管水力计算表.doc

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1、给水塑料管水力计算表（流量qg为L/s、管径DN为mm、流速v为m/s、水头损失i为kPa/m）qgDN15DN20DN25DN32DN40DN50DN70DN80DN100vivivivivivivivivi0.100.500.2750.260.0600.150.750.5640.390.1230.230.0330.200.990.9400.530.2060.300.0550.200.020.301.490.1930.790.4220.450.1130.290.0400.401.990.3211.050.7030.610.1880.390.0670.240.0210.502.494.771.

2、321.040.760.2790.490.0990.300.0310.602.986.601.581.440.910.3860.590.1370.360.0430.230.0140.701.841.901.060.5070.690.1810.420.0560.270.0190.802.102.401.210.6430.790.2290.480.0710.300.0230.902.372.961.360.7920.880.2820.540.0880.340.0290.230.0181.001.510.9550.980.3400.600.1060.380.0350.250.0141.502.271

3、.961.470.6980.900.2170.570.0720.390.0290.270.0122.001.961.1601.200.3610.760.1190.520.0490.360.0200.240.0082.502.461.7301.500.5360.950.2170.650.0720.450.0300.300.0113.001.810.7411.140.2450.780.0990.540.0420.360.0163.502.110.9741.330.3220.910.1310.630.0550.420.0214.002.410.1231.510.4081.040.1660.720.0

4、690.480.0264.502.710.1521.700.5031.170.2050.810.0860.540.0325.001.890.6061.300.2470.900.1040.600.0395.502.080.7181.430.2930.990.1230.660.0466.002.270.8381.560.3421.080.1430.720.0526.501.690.3941.170.1650.780.0627.001.820.4451.260.1880.840.0717.501.950.5071.350.2130.900.0808.002.080.5691.440.2380.960

5、.0908.502.210.6321.530.2651.020.1029.002.340.7011.620.2941.080.1119.502.470.7721.710.3231.140.12110.001.800.3541.200.134表3.6.9生活给水管道的水流速度公称直径（mm）15～2025～4050～70≥80水流速度（m/s）≤1.0≤1.2≤1.5≤1.8