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新版电磁流量计管径/流速/流量对照表

发布时间:2015-8-11 9:07:19

           管径/流速/流量对照表     1
                                     
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
                            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
            管径/流速/流量对照表     2
                                     
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
                            小(DN)
    流量 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600
流速
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
            管径/流速/流量对照表     3
                                     
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
                            小(DN)
    流量 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600
流速
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
              管径/流速/流量对照表    4
                                     
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
                            小(DN)
    流量 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600
流速
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 1643.45 2366.56 3221.15 4207.22 5324.76 6573.78 9466.25
9.4 10.63 16.61 27.22 42.52 66.44 112.29 170.10 265.78 415.28 598.00 1063.11 1661.12 2392.01 3255.79 4252.46 5382.02 6644.47 9568.03
9.5 10.74 16.79 27.51 42.98 67.15 113.49 171.91 268.61 419.70 604.36 1074.42 1678.79 2417.46 3290.43 4297.70 5439.27 6715.15 9669.82
9.6 10.86 16.96 27.79 43.43 67.86 114.68 173.72 271.43 424.12 610.73 1085.73 1696.46 2442.90 3325.06 4342.94 5496.53 6785.84 9771.61
9.7 10.97 17.14 28.08 43.88 68.57 115.88 175.53 274.26 428.53 617.09 1097.04 1714.13 2468.35 3359.70 4388.18 5553.79 6856.53 9873.40
9.8 11.08 17.32 28.37 44.33 69.27 117.07 177.34 277.09 432.95 623.45 1108.35 1731.80 2493.80 3394.33 4433.42 5611.04 6927.21 9975.18
9.9 11.20 17.49 28.66 44.79 69.98 118.26 179.15 279.92 437.37 629.81 1119.66 1749.47 2519.24 3428.97 4478.65 5668.30 6997.90 10077.0
10 11.31 17.67 28.95 45.24 70.69 119.46 180.96 282.74 441.79 636.17 1130.97 1767.15 2544.69 3463.61 4523.89 5725.55 7068.58 10178.8
 
             管径流速推荐安全值  
管径      (DN)                                                 流速推荐值m/s:
20 25 32 40 50 65 80 100 125 150 200 250 300 350 400
闭式系统 0.5-0.6 0.6-0.7 0.7-0.9 0.8-1 0.9-1.2 1.1-1.4 1.2-1.6 1.3-1.8 1.5-2.0 1.6-2.2 1.8-2.5 1.8-2.6 1.9-2.9 1.6-2.5 1.8-2.6
开式系统 0.4-0.5 0.5-0.6 0.6-0.8 0.7-0.9 0.8-1.0 0.9-1.2 1.1-1.4 1.2-1.6 1.4-1.8 1.5-2.0 1.6-2.3 1.7-2.4 1.7-2.4 1.6-2.1 1.8-2.3

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