管径流量对照表

管径/流速/流量对照表,,,,,,,,,,,,,,,,,,

管径单位：DN流速单位：m/s流量单位：m3/h圆周率（π）：3.1415926,,,,,,,,,,,,,,,,,,

管径,管道管径规格大小（DN）,,,,,,,,,,,,,,,,,

流量,20,25,32,40,50,65,80,100,125,150,200,250,300,350,400,450,500,600

流速,,,,,,,,,,,,,,,,,,

0.1,0.11,0.18,0.29,0.45,0.71,1.19,1.81,2.83,4.42,6.36,11.31,17.67,25.45,34.64,45.24,57.26,70.69,101.79

0.2,0.23,0.35,0.58,0.90,1.41,2.39,3.62,5.65,8.84,12.72,22.62,35.34,50.89,69.27,90.48,114.51,141.37,203.58

0.3,0.34,0.53,0.87,1.36,2.12,3.58,5.43,8.48,13.25,19.09,33.93,53.01,76.34,103.91,135.72,171.77,212.06,305.36

0.4,0.45,0.71,1.16,1.81,2.83,4.78,7.24,11.31,17.67,25.45,45.24,70.69,101.79,138.54,180.96,229.02,282.74,407.15

0.5,0.57,0.88,1.45,2.26,3.53,5.97,9.05,14.14,22.09,31.81,56.55,88.36,127.23,173.18,226.19,286.28,353.43,508.94

0.6,0.68,1.06,1.74,2.71,4.24,7.17,10.86,16.96,26.51,38.17,67.86,106.03,152.68,207.82,271.43,343.53,424.12,610.73

0.7,0.79,1.24,2.03,3.17,4.95,8.36,12.67,19.79,30.93,44.53,79.17,123.70,178.13,242.45,316.67,400.79,494.80,712.51

0.8,0.90,1.41,2.32,3.62,5.65,9.56,14.48,22.62,35.34,50.89,90.48,141.37,203.58,277.09,361.91,458.04,565.49,814.30

0.9,1.02,1.59,2.61,4.07,6.36,10.75,16.29,25.45,39.76,57.26,101.79,159.04,229.02,311.72,407.15,515.30,636.17,916.09

1,1.13,1.77,2.90,4.52,7.07,11.95,18.10,28.27,44.18,63.62,113.10,176.71,254.47,346.36,452.39,572.56,706.86,1017.88

1.1,1.24,1.94,3.18,4.98,7.78,13.14,19.91,31.10,48.60,69.98,124.41,194.39,279.92,381.00,497.63,629.81,777.54,1119.66

1.2,1.36,2.12,3.47,5.43,8.48,14.34,21.71,33.93,53.01,76.34,135.72,212.06,305.36,415.63,542.87,687.07,848.23,1221.45

1.3,1.47,2.30,3.76,5.88,9.19,15.53,23.52,36.76,57.43,82.70,147.03,229.73,330.81,450.27,588.11,744.32,918.92,1323.24

1.4,1.58,2.47,4.05,6.33,9.90,16.72,25.33,39.58,61.85,89.06,158.34,247.40,356.26,484.90,633.35,801.58,989.60,1425.03

1.5,1.70,2.65,4.34,6.79,10.60,17.92,27.14,42.41,66.27,95.43,169.65,265.07,381.70,519.54,678.58,858.83,1060.29,1526.81

1.6,1.81,2.83,4.63,7.24,11.31,19.11,28.95,45.24,70.69,101.79,180.96,282.74,407.15,554.18,723.82,916.09,1130.97,1628.60

1.7,1.92,3.00,4.92,7.69,12.02,20.31,30.76,48.07,75.10,108.15,192.27,300.41,432.60,588.81,769.06,973.34,1201.66,1730.39

1.8,2.04,3.18,5.21,8.14,12.72,21.50,32.57,50.89,79.52,114.51,203.58,318.09,458.04,623.45,814.30,1030.60,1272.35,1832.18

1.9,2.15,3.36,5.50,8.60,13.43,22.70,34.38,53.72,83.94,120.87,214.88,335.76,483.49,658.09,859.54,1087.85,1343.03,1933.96

2,2.26,3.53,5.79,9.05,14.14,23.89,36.19,56.55,88.36,127.23,226.19,353.43,508.94,692.72,904.78,1145.11,1413.72,2035.75

2.1,2.38,3.71,6.08,9.50,14.84,25.09,38.00,59.38,92.78,133.60,237.50,371.10,534.38,727.36,950.02,1202.37,1484.40,2137.54

2.2,2.49,3.89,6.37,9.95,15.55,26.28,39.81,62.20,97.19,139.96,248.81,388.77,559.83,761.99,995.26,1259.62,1555.09,2239.33

2.3,2.60,4.06,6.66,10.40,16.26,27.48,41.62,65.03,101.61,146.32,260.12,406.44,585.28,796.63,1040.50,1316.88,1625.77,2341.11

2.4,2.71,4.24,6.95,10.86,16.96,28.67,43.43,67.86,106.03,152.68,271.43,424.12,610.73,831.27,1085.73,1374.13,1696.46,2442.90

2.5,2.83,4.42,7.24,11.31,17.67,29.86,45.24,70.69,110.45,159.04,282.74,441.79,636.17,865.90,1130.97,1431.39,1767.15,2544.69

2.6,2.94,4.59,7.53,11.76,18.38,31.06,47.05,73.51,114.86,165.40,294.05,459.46,661.62,900.54,1176.21,1488.64,1837.83,2646.48

2.7,3.05,4.77,7.82,12.21,19.09,32.25,48.86,76.34,119.28,171.77,305.36,477.13,687.07,935.17,1221.45,1545.90,1908.52,2748.27

2.8,3.17,4.95,8.11,12.67,19.79,33.45,50.67,79.17,123.70,178.13,316.67,494.80,712.51,969.81,1266.69,1603.15,1979.20,2850.05

2.9,3.28,5.12,8.40,13.12,20.50,34.64,52.48,82.00,128.12,184.49,327.98,512.47,737.96,1004.45,1311.93,1660.41,2049.89,2951.84

3,3.39,5.30,8.69,13.57,21.21,35.84,54.29,84.82,132.54,190.85,339.29,530.14,763.41,1039.08,1357.17,1717.67,2120.58,3053.63

3.1,3.51,5.48,8.98,14.02,21.91,37.03,56.10,87.65,136.95,197.21,350.60,547.82,788.85,1073.72,1402.41,1774.92,2191.26,3155.42

3.2,3.62,5.65,9.26,14.48,22.62,38.23,57.91,90.48,141.37,203.58,361.91,565.49,814.30,1108.35,1447.65,1832.18,2261.95,3257.20

3.3,3.73,5.83,9.55,14.93,23.33,39.42,59.72,93.31,145.79,209.94,373.22,583.16,839.75,1142.99,1492.88,1889.43,2332.63,3358.99

3.4,3.85,6.01,9.84,15.38,24.03,40.62,61.52,96.13,150.21,216.30,384.53,600.83,865.19,1177.63,1538.12,1946.69,2403.32,3460.78

3.5,3.96,6.19,10.13,15.83,24.74,41.81,63.33,98.96,154.63,222.66,395.84,618.50,890.64,1212.26,1583.36,2003.94,2474.00,3562.57

3.6,4.07,6.36,10.42,16.29,25.45,43.01,65.14,101.79,159.04,229.02,407.15,636.17,916.09,1246.90,1628.60,2061.20,2544.69,3664.35

3.7,4.18,6.54,10.71,16.74,26.15,44.20,66.95,104.62,163.46,235.38,418.46,653.84,941.54,1281.53,1673.84,2118.45,2615.38,3766.14

3.8,4.30,6.72,11.00,17.19,26.86,45.39,68.76,107.44,167.88,241.75,429.77,671.52,966.98,1316.17,1719.08,2175.71,2686.06,3867.93

3.9,4.41,6.89,11.29,17.64,27.57,46.59,70.57,110.27,172.30,248.11,441.08,689.19,992.43,1350.81,1764.32,2232.97,2756.75,3969.72

4,4.52,7.07,11.58,18.10,28.27,47.78,72.38,113.10,176.71,254.47,452.39,706.86,1017.88,1385.44,1809.56,2290.22,2827.43,4071.50

4.1,4.64,7.25,11.87,18.55,28.98,48.98,74.19,115.92,181.13,260.83,463.70,724.53,1043.32,1420.08,1854.80,2347.48,2898.12,4173.29

4.2,4.75,7.42,12.16,19.00,29.69,50.17,76.00,118.75,185.55,267.19,475.01,742.20,1068.77,1454.71,1900.04,2404.73,2968.81,4275.08

4.3,4.86,7.60,12.45,19.45,30.39,51.37,77.81,121.58,189.97,273.55,486.32,759.87,1094.22,1489.35,1945.27,2461.99,3039.49,4376.87

4.4,4.98,7.78,12.74,19.91,31.10,52.56,79.62,124.41,194.39,279.92,497.63,777.54,1119.66,1523.99,1990.51,2519.24,3110.18,4478.65

4.5,5.09,7.95,13.03,20.36,31.81,53.76,81.43,127.23,198.80,286.28,508.94,795.22,1145.11,1558.62,2035.75,2576.50,3180.86,4580.44

4.6,5.20,8.13,13.32,20.81,32.52,54.95,83.24,130.06,203.22,292.64,520.25,812.89,1170.56,1593.26,2080.99,2633.75,3251.55,4682.23

4.7,5.32,8.31,13.61,21.26,33.22,56.15,85.05,132.89,207.64,299.00,531.56,830.56,1196.00,1627.89,2126.23,2691.01,3322.23,4784.02

4.8,5.43,8.48,13.90,21.71,33.93,57.34,86.86,135.72,212.06,305.36,542.87,848.23,1221.45,1662.53,2171.47,2748.27,3392.92,4885.80

4.9,5.54,8.66,14.19,22.17,34.64,58.53,88.67,138.54,216.48,311.72,554.18,865.90,1246.90,1697.17,2216.71,2805.52,3463.61,4987.59

5,5.65,8.84,14.48,22.62,35.34,59.73,90.48,141.37,220.89,318.09,565.49,883.57,1272.35,1731.80,2261.95,2862.78,3534.29,5089.38

5.1,5.77,9.01,14.77,23.07,36.05,60.92,92.29,144.20,225.31,324.45,576.80,901.24,1297.79,1766.44,2307.19,2920.03,3604.98,5191.17

5.2,5.88,9.19,15.06,23.52,36.76,62.12,94.10,147.03,229.73,330.81,588.11,918.92,1323.24,1801.08,2352.42,2977.29,3675.66,5292.96

5.3,5.99,9.37,15.35,23.98,37.46,63.31,95.91,149.85,234.15,337.17,599.42,936.59,1348.69,1835.71,2397.66,3034.54,3746.35,5394.74

5.4,6.11,9.54,15.63,24.43,38.17,64.51,97.72,152.68,238.56,343.53,610.73,954.26,1374.13,1870.35,2442.90,3091.80,3817.04,5496.53

5.5,6.22,9.72,15.92,24.88,38.88,65.70,99.53,155.51,242.98,349.89,622.04,971.93,1399.58,1904.98,2488.14,3149.05,3887.72,5598.32

5.6,6.33,9.90,16.21,25.33,39.58,66.90,101.34,158.34,247.40,356.26,633.35,989.60,1425.03,1939.62,2533.38,3206.31,3958.41,5700.11

5.7,6.45,10.07,16.50,25.79,40.29,68.09,103.14,161.16,251.82,362.62,644.65,1007.27,1450.47,1974.26,2578.62,3263.56,4029.09,5801.89

5.8,6.56,10.25,16.79,26.24,41.00,69.29,104.95,163.99,256.24,368.98,655.96,1024.94,1475.92,2008.89,2623.86,3320.82,4099.78,5903.68

5.9,6.67,10.43,17.08,26.69,41.70,70.48,106.76,166.82,260.65,375.34,667.27,1042.62,1501.37,2043.53,2669.10,3378.08,4170.46,6005.47

6,6.79,10.60,17.37,27.14,42.41,71.68,108.57,169.65,265.07,381.70,678.58,1060.29,1526.81,2078.16,2714.34,3435.33,4241.15,6107.26

6.1,6.90,10.78,17.66,27.60,43.12,72.87,110.38,172.47,269.49,388.07,689.89,1077.96,1552.26,2112.80,2759.57,3492.59,4311.84,6209.04

6.2,7.01,10.96,17.95,28.05,43.83,74.06,112.19,175.30,273.91,394.43,701.20,1095.63,1577.71,2147.44,2804.81,3549.84,4382.52,6310.83

6.3,7.13,11.13,18.24,28.50,44.53,75.26,114.00,178.13,278.33,400.79,712.51,1113.30,1603.15,2182.07,2850.05,3607.10,4453.21,6412.62

6.4,7.24,11.31,18.53,28.95,45.24,76.45,115.81,180.96,282.74,407.15,723.82,1130.97,1628.60,2216.71,2895.29,3664.35,4523.89,6514.41

6.5,7.35,11.49,18.82,29.41,45.95,77.65,117.62,183.78,287.16,413.51,735.13,1148.64,1654.05,2251.34,2940.53,3721.61,4594.58,6616.19

6.6,7.46,11.66,19.11,29.86,46.65,78.84,119.43,186.61,291.58,419.87,746.44,1166.32,1679.50,2285.98,2985.77,3778.86,4665.27,6717.98

6.7,7.58,11.84,19.40,30.31,47.36,80.04,121.24,189.44,296.00,426.24,757.75,1183.99,1704.94,2320.62,3031.01,3836.12,4735.95,6819.77

6.8,7.69,12.02,19.69,30.76,48.07,81.23,123.05,192.27,300.41,432.60,769.06,1201.66,1730.39,2355.25,3076.25,3893.38,4806.64,6921.56

6.9,7.80,12.19,19.98,31.21,48.77,82.43,124.86,195.09,304.83,438.96,780.37,1219.33,1755.84,2389.89,3121.49,3950.63,4877.32,7023.34

7,7.92,12.37,20.27,31.67,49.48,83.62,126.67,197.92,309.25,445.32,791.68,1237.00,1781.28,2424.52,3166.73,4007.89,4948.01,7125.13

7.1,8.03,12.55,20.56,32.12,50.19,84.82,128.48,200.75,313.67,451.68,802.99,1254.67,1806.73,2459.16,3211.96,4065.14,5018.69,7226.92

7.2,8.14,12.72,20.85,32.57,50.89,86.01,130.29,203.58,318.09,458.04,814.30,1272.35,1832.18,2493.80,3257.20,4122.40,5089.38,7328.71

7.3,8.26,12.90,21.14,33.02,51.60,87.21,132.10,206.40,322.50,464.41,825.61,1290.02,1857.62,2528.43,3302.44,4179.65,5160.07,7430.49

7.4,8.37,13.08,21.43,33.48,52.31,88.40,133.91,209.23,326.92,470.77,836.92,1307.69,1883.07,2563.07,3347.68,4236.91,5230.75,7532.28

7.5,8.48,13.25,21.71,33.93,53.01,89.59,135.72,212.06,331.34,477.13,848.23,1325.36,1908.52,2597.70,3392.92,4294.16,5301.44,7634.07

7.6,8.60,13.43,22.00,34.38,53.72,90.79,137.53,214.88,335.76,483.49,859.54,1343.03,1933.96,2632.34,3438.16,4351.42,5372.12,7735.86

7.7,8.71,13.61,22.29,34.83,54.43,91.98,139.34,217.71,340.18,489.85,870.85,1360.70,1959.41,2666.98,3483.40,4408.68,5442.81,7837.65

7.8,8.82,13.78,22.58,35.29,55.13,93.18,141.15,220.54,344.59,496.21,882.16,1378.37,1984.86,2701.61,3528.64,4465.93,5513.50,7939.43

7.9,8.93,13.96,22.87,35.74,55.84,94.37,142.96,223.37,349.01,502.58,893.47,1396.05,2010.31,2736.25,3573.88,4523.19,5584.18,8041.22

8,9.05,14.14,23.16,36.19,56.55,95.57,144.76,226.19,353.43,508.94,904.78,1413.72,2035.75,2770.88,3619.11,4580.44,5654.87,8143.01

8.1,9.16,14.31,23.45,36.64,57.26,96.76,146.57,229.02,357.85,515.30,916.09,1431.39,2061.20,2805.52,3664.35,4637.70,5725.55,8244.80

8.2,9.27,14.49,23.74,37.10,57.96,97.96,148.38,231.85,362.26,521.66,927.40,1449.06,2086.65,2840.16,3709.59,4694.95,5796.24,8346.58

8.3,9.39,14.67,24.03,37.55,58.67,99.15,150.19,234.68,366.68,528.02,938.71,1466.73,2112.09,2874.79,3754.83,4752.21,5866.92,8448.37

8.4,9.50,14.84,24.32,38.00,59.38,100.35,152.00,237.50,371.10,534.38,950.02,1484.40,2137.54,2909.43,3800.07,4809.46,5937.61,8550.16

8.5,9.61,15.02,24.61,38.45,60.08,101.54,153.81,240.33,375.52,540.75,961.33,1502.07,2162.99,2944.06,3845.31,4866.72,6008.30,8651.95

8.6,9.73,15.20,24.90,38.91,60.79,102.73,155.62,243.16,379.94,547.11,972.64,1519.75,2188.43,2978.70,3890.55,4923.98,6078.98,8753.73

8.7,9.84,15.37,25.19,39.36,61.50,103.93,157.43,245.99,384.35,553.47,983.95,1537.42,2213.88,3013.34,3935.79,4981.23,6149.67,8855.52

8.8,9.95,15.55,25.48,39.81,62.20,105.12,159.24,248.81,388.77,559.83,995.26,1555.09,2239.33,3047.97,3981.03,5038.49,6220.35,8957.31

8.9,10.07,15.73,25.77,40.26,62.91,106.32,161.05,251.64,393.19,566.19,1006.57,1572.76,2264.77,3082.61,4026.27,5095.74,6291.04,9059.10

9,10.18,15.90,26.06,40.72,63.62,107.51,162.86,254.47,397.61,572.56,1017.88,1590.43,2290.22,3117.25,4071.50,5153.00,6361.73,9160.88

9.1,10.29,16.08,26.35,41.17,64.32,108.71,164.67,257.30,402.03,578.92,1029.19,1608.10,2315.67,3151.88,4116.74,5210.25,6432.41,9262.67

9.2,10.40,16.26,26.64,41.62,65.03,109.90,166.48,260.12,406.44,585.28,1040.50,1625.77,2341.11,3186.52,4161.98,5267.51,6503.10,9364.46

9.3,10.52,16.43,26.93,42.07,65.74,111.10,168.29,262.95,410.86,591.64,1051.81,1