各类给水管材水力计算表

注:当管径为DN15~20时流速限于1.0m/S,当管径为DN25~40时流速限于1.2m/S当管径为DN50~70时流速限于
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/m
150.1
200.210161.0497.71161.0497.71
250.300210.8750.3020.40.9257.93
320.50027.20.8636.7526.20.9344.10
401.010341.1145.5732.61.2155.93
501.55042.61.0933.5940.81.1941.45
653.40053.61.5147.0051.41.6457.65
753.00063.80.9415.9661.41.01#REF!
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

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/m

150.1
200.210
250.300

管径流量
高密度聚乙烯(HDPE)
0.25MPa0.4MPa

S6.3 1.6MPaS5 2.0MPa
流量管径

本表按03版建筑给水排
氯化聚氯乙烯
海澄-威廉公式 塑
320.500

401.010360.9934.50
501.550460.9323.11
653.400591.2429.4558.21.2831.48
753.000710.769.4869.20.8010.74
906.00085.61.0413.76831.1115.99
1107.000104.60.816.90101.60.867.95
12515.000118.81.3515.22115.41.4317.53
14018.0001331.3012.31129.21.3714.18
16027.0001521.4913.61147.81.5715.60
1806.000171.20.260.47166.20.280.54
2007.000190.20.250.37184.60.260.43
22515.0002140.420.87207.80.441.00
25018.000237.60.410.73230.80.430.84
31527.000299.60.380.50290.80.410.58

海澄-威廉公式 铜管 薄壁不锈钢管 C=130
铜 管(热水)0.0000047mmL/Smmm/smm/mmmL/S150.15013.61.03132.64150.146200.20020.20.6232.90200.320250.50026.20.9350.59250.620321.00032.61.2062.99321.010401.50039.61.2251.75401.000504.00051.61.9187.67503.500654.00064.01.2430.71654.0004.00064.31.2330.024.000807.00073.11.6745.31807.5504.00082.00.769.199.55010015.0001051.7331.861009.00012514.0001281.0910.6812514.00025.0001301.8828.9925.00015014.0001530.764.4815014.00020030.0002090.874.0220030.00030.0002110.863.8430.000此表暂缓管径流量计算管径流速阻力损失管径流量铜 管
海澄-威廉公式 钢管 铸铁给水管 C=100
水煤气钢管mmL/Smmm/smm/mmmL/Smm150.20014.751.17247.3712520.00125200.30020.250.93111.9715035.00147250.600261.13119.6520030.00198321.25034.751.32113.4025080.00252401.400401.1170.5030070.00305502.600521.2261.81350150.00357704.200671.1943.72400200.00406805.95779.51.2036.30450308.0045810010.3911051.2026.24500220.0050912524.0001301.8143.70600500.0061015022.6431551.2016.66700600.00700800800.008009001000.0090010001100.00100012001500.001200中等管径与大管径
流量计算管径阻力损失管径管径流量计算管径流速
m/S当管径为DN50~70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

计算管径流速阻力损失计算管径流速阻力损失
L/Smmm/smm/mL/Smmm/smm/m
0.11812.21.01125.850.1
0.13015.70.6744.080.130
0.30019.80.9767.000.300
0.61025.31.2175.570.500
0.70031.20.9235.130.700360.6917.50
1.80040.11.4359.481.80045.21.1233.20
3.00050.01.5352.303.000571.3327.63
3.00058.71.1123.943.00067.80.8311.87
6.00081.41.1517.59
7.000100.40.888.42
15.000114.21.4618.45
18.000127.81.4014.95
20.0001461.199.50
20.000164.40.945.33
20.000182.60.763.20
20.000205.40.601.80
30.000228.20.732.29
80.000255.61.568.09
80.000287.61.234.56
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

计算管径流速阻力损失计算管径流速阻力损失
mmm/smm/mmmm/smm/mmm

120.88100.4015
161.0497.7120
210.8750.3020.40.9257.9325

聚乙烯(HDPE)
0.6MPa1.0MPa
管径

1.0MPa
PVC-U管
按03版建筑给水排水设计规范编制
流量流量
铝塑复合管
澄-威廉公式 塑料管 C=140
280.8131.9126.20.9344.1032

35.21.0438.4932.61.2155.9340
441.0228.7040.81.1941.4550
55.41.4140.0251.41.6457.6565
660.8813.5361.41.0119.24
79.21.2220.1073.61.4128.72
96.80.9510.06901.1014.34
110.21.5721.95102.21.8331.68
123.41.5117.73114.61.7525.42
1411.7319.62130.82.0128.29
158.60.300.68147.20.350.98
176.20.290.54163.80.330.78
198.20.491.261840.561.81
220.40.471.05204.60.551.51
277.60.450.72257.80.521.04

管(热水)0.0000047管径DNmmm/smm/mmmL/Smmm/s13.61.01168.39100.08010.400.9420.21.00104.860.0909.801.1926.21.15100.57150.15014.280.9432.61.2185.630.15012.801.1739.60.8132.60200.30020.220.9351.61.6791.380.30018.901.0764.01.2440.99250.67026.581.2164.31.2340.070.50023.801.1273.11.8069.57321.00031.601.2882.01.8161.431.00033.001.171051.0416.51401.00040.300.781281.0914.261.00038.000.881301.8838.69502.00046.201.191530.765.982.00059.000.732090.875.37656.00073.101.432110.865.136.00064.601.83806.00084.901.066.00073.101.4310010.000104.001.1813.80099.001.7912524.000129.001.8415028.000153.001.5228.000156.001.46薄壁不锈钢管
流速计算管径计算管径流速阻力损失流量