各类给水管材水力计算表

本表按03版建筑给水排水设计规范编制 注:当管径为DN1520时流速限于1.0m/S,当管径为DN2540时流速限于1.2m/S当管径为DN5070时流速限于1.5m/S,当管径为DN80及其以上时流速限于1.8m/S,否则数字呈红色 海澄-威廉公式 塑料管 C=140 管径流量 氯化聚氯乙烯 流量S6.3 1.6MPaS5 2.0MPa 计算管径流速阻力损失 计算管径流速阻力损失 mmL/Smmm/smm/mmmm/smm/mL/S 150.10.118 200.210161.0497.71161.0497.710.130 250.300210.8750.3020.40.9257.930.300 320.50027.20.8636.7526.20.9344.100.610 401.010341.1145.5732.61.2155.930.700 501.55042.61.0933.5940.81.1941.451.800 653.40053.61.5147.0051.41.6457.653.000 753.00063.80.9415.9661.41.01#REF!3.000 906.00076.61.3023.6473.61.4128.72 1107.00093.81.0111.73901.1014.34 12515.000106.61.6825.80102.21.8331.68 14018.000119.41.6120.82114.61.7525.42 16027.000136.41.8523.06130.82.0128.29 180 200 225 250 280 315 355 400 450 500 560 630 管径流量 高密度聚乙烯(HDPE) 0.25MPa0.4MPa0.6MPa 计算管径流速阻力损失 计算管径流速阻力损失 计算管径 mmL/Smmm/smm/mmmm/smm/mmm 150.1 200.210 250.30021 320.50028 401.010360.9934.5035.2 501.550460.9323.1144 653.400591.2429.4558.21.2831.4855.4 753.000710.769.4869.20.8010.7466 906.00085.61.0413.76831.1115.9979.2 1107.000104.60.816.90101.60.867.9596.8 12515.000118.81.3515.22115.41.4317.53110.2 14018.0001331.3012.31129.21.3714.18123.4 16027.0001521.4913.61147.81.5715.60141 1806.000171.20.260.47166.20.280.54158.6 2007.000190.20.250.37184.60.260.43176.2 22515.0002140.420.87207.80.441.00198.2 25018.000237.60.410.73230.80.430.84220.4 31527.000299.60.380.50290.80.410.58277.6 海澄-威廉公式 铜管 薄壁不锈钢管 C=130 铜 管铜 管(热水)0.0000047 管径流量计算管径流速阻力损失管径流量计算管径 mmL/Smmm/smm/mmmL/Smm 150.15013.61.03132.64150.14613.6 200.20020.20.6232.90200.32020.2 250.50026.20.9350.59250.62026.2 321.00032.61.2062.99321.01032.6 401.50039.61.2251.75401.00039.6 504.00051.61.9187.67503.50051.6 654.00064.01.2430.71654.00064.0 4.00064.31.2330.024.00064.3 807.00073.11.6745.31807.55073.1 4.00082.00.769.199.55082.0 10015.0001051.7331.861009.000105 12514.0001281.0910.6812514.000128 25.0001301.8828.9925.000130 15014.0001530.764.4815014.000153 20030.0002090.874.0220030.000209 30.0002110.863.8430.000211 此表暂缓 海澄-威廉公式 钢管 铸铁给水管 C=100 水煤气钢管中等管径与大管径 管径流量计算管径流速阻力损失管径流量计算管径流速 mmL/Smmm/smm/mmmL/Smmm/s 150.20014.751.17247.3712520.001251.63 200.30020.250.93111.9715035.001472.06 250.600261.13119.6520030.001980.97 321.25034.751.32113.4025080.002521.60 401.400401.1170.5030070.003050.96 502.600521.2261.81350150.003571.50 704.200671.1943.72400200.004061.54 805.95779.51.2036.30450308.004581.87 10010.3911051.2026.24500220.005091.08 12524.0001301.8143.70600500.006101.71 15022.6431551.2016.66700600.007001.56 800800.008001.59 9001000.009001.57 10001100.0010001.40 12001500.0012001.33 铝塑复合管 流量 PVC-U管 1.0MPa1.6MPa 计算管径流速阻力损失计算管径流速阻力损失 计算管径流速 mmm/smm/mL/Smmm/smm/mmmm/s 12.21.01125.850.1 15.70.6744.080.130160.65 19.80.9767.000.300210.87 25.31.2175.570.50027.20.86 31.20.9235.130.700360.6917.50340.77 40.11.4359.481.80045.21.1233.20421.30 50.01.5352.303.000571.3327.6353.61.33 58.71.1123.943.00067.80.8311.87640.93 6.00081.41.1517.5976.61.30 7.000100.40.888.4295.60.98 15.000114.21.4618.451101.58 18.000127.81.4014.95123.41.51 20.0001461.199.501401.30 20.000164.40.945.33158.61.01 20.000182.60.763.20176.20.82 20.000205.40.601.80198.20.65 30.000228.20.732.29220.40.79 80.000255.61.568.09246.81.67 80.000287.61.234.56277.61.32 80.000325.40.962.50 224.000369.42.099.06 230.000415.81.695.35 260.000461.81.554.03 416.670517.21.985.55 555.560581.82.095.33 管径流量 交联聚乙烯(PEX) 1.0MPa 流速阻力损失计算管径流速阻力损失计算管径 m/smm/mmmm/smm/mmmL/Smm 120.88100.4015 161.0497.71200.21016.0 0.8750.3020.40.9257.93250.30020.4 0.8131.9126.20.9344.10320.50026.0 本表按03版建筑给水排水设计规范编制 注:当管径为DN1520时流速限于1.0m/S,当管径为DN2540时流速限于1.2m/S当管径为DN5070时流速限于1.5m/S,当管径为DN80及其以上时流速限于1.8m/S,否则数字呈红色 海澄-威廉公式 塑料管 C=140 高密度聚乙烯(HDPE) 0.6MPa 1.0438.4932.61.2155.93401.01032.6 1.0228.7040.81.1941.45501.55040.8 1.4140.0251.41.6457.65653.40051.4 0.8813.5361.41.0119.24 1.2220.1073.61.4128.72 0.9510.06901.1014.34 1.5721.95102.21.8331.68 1.5117.73114.61.7525.42 1.7319.62130.82.0128.29 0.300.68147.20.350.98 0.290.54163.80.330.78 0.491.261840.561.81 0.471.05204.60.551.51 0.450.72257.80.521.04 薄壁不锈钢管 流速阻力损失 管径 流量计算管径流速阻力损失 DN m/smm/mmmL/Smmm/smm/m 1.01168.39100.08010.400.94152.95 1.00104.860.0909.801.19254.07 1.15100.57150.15014.280.94104.58 1.2185.630.15012.801.17178.20 0.8132.60200.30020.220.9369.38 1.6791.380.30018.901.0796.39 1.2440.99250.67026.581.2181.09 1.2340.070.50023.801.1280.77 1.8069.57321.00031.601.2873.31 1.8161.431.00033.001.1759.35 1.0416.51401.00040.300.7822.43 1.0914.261.00038.000.8829.86 1.8838.69502.00046.201.1941.61 0.765.982.00059.000.7312.65 0.875.37656.00073.101.4334.06 0.865.136.00064.601.8362.19 806.00084.901.0616.43 6.00073.101.4334.06 10010.000104.001.1815.75 13.80099.001.7936.36 12524.000129.001.8427.91 15028.000153.001.5216.18 28.000156.001.4614.72 铜 管(热水)0.0000047 铸铁给水管水力计算表 阻力损失管径流量流速阻力损失 mm/mmmL/Sm/smm/m 37.741005.000.659.02 48.3012520.001.6639.24 8.5115025.001.4324.25 16.1720030.000.968.30 4.9825080.001.6417.14 9.5030080.001.147.03 8.65350140.001.469.33 10.70400200.001.609.41 3.43450230.001.456.86 6.50500400.002.0511.43 4.66600500.001.777.10 4.14700600.001.564.69 3.53800800.001.604.17 2.529001000.001.583.55 1.8410001100.001.402.53 中等管径与大管径 流量 聚丙烯管 PP-R 1.0MPa1.25MPa2.0MPa 阻力损失计算管径流速阻力损失 计算管径流速阻力损失 计算管径 mm/mL/Smmm/smm/mmmm/smm/mmm 0.1 40.200.13015.40.7048.4214.4 50.300.30020.40.4012.3118 36.750.50027.20.8636.75260.5717.7823.2 23.110.700340.7723.1132.60.8428.3729 47.481.80042.61.2644.3140.81.3854.6836.2 37.283.00053.61.3337.2851.41.4545.7245.6 15.723.00063.60.9416.2061.21.0219.5449.9 23.646.00076.60.6523.6473.61.4128.7276.6 10.697.00093.80.8711.73901.1014.3493.8 22.1415.000 17.7318.000 11.6520.000 6.3520.000 3.80 2.14 2.71 9.60 5.41 流速阻力损失 m/smm/m 1.0497.71 0.9257.93 0.9445.78 海澄-威廉公式 塑料管 C=140 PVC-U管 1.6MPa 交联聚乙烯(PEX) 1.2155.93 1.1941.45 1.6457.65 薄壁不锈钢管(热水)0.00000047 管径 流量计算管径流速 阻力损失DN mmL/Smmm/smm/m 100.08010.400.94204.14 0.0909.801.19339.11 150.15014.280.94139.59 0.15012.801.17237.84 200.30020.220.9392.60 0.30018.901.07128.66 250.67026.581.21108.24 0.50023.801.12107.81 321.00031.601.2897.84 1.00033.001.1779.22 401.00040.300.7829.93 1.00038.000.8839.85 502.00046.201.1955.54 2.00059.000.7316.88 656.00073.101.4345.46 6.00064.601.8383.00 806.00084.901.0621.93 6.00073.101.4345.46 10010.000104.001.1821.02 13.80099.001.7948.53 12524.000129.001.8437.25 15028.000153.001.5221.59 28.000156.001.4619.64 此表暂缓 流量 钢塑复合管(涂塑) 2.5MPa 流速阻力损失 计算管径流速阻力损失计算管径流速阻力损失 m/smm/mmmm/smm/mL/Smmm/smm/m 0.114.80.5836.15 0.8067.1513.20.95102.590.1320.30.4012.61 1.18106.5716.61.39158.090.3260.5717.78 1.1879.7421.21.42123.700.534.80.5311.07 1.0650.1526.61.2676.390.7400.5610.47 1.7597.9133.22.08149.212.7521.2735.55 1.8481.91422.17122.273670.85