（米3/时）（升3/秒）
v 1000i v
1000i v 1000i
v 1000i v 1000i v 0.090.0250.50162压力换算
公斤/平方厘米水柱高
(m)MPa kPa Pa 0.108
0.030.60226110
0.1
100
100000
0.1260.0350.703000.3450.40.1440.040.803830.3964.00.1620.0450.904770.4379.00.2623.50.180.050.995790.4895.60.2928.40.1980.055 1.096920.53113.60.3233.60.2160.06 1.198140.58133.00.3539.20.2340.065 1.299520.63153.90.3845.30.209.740.2520.07 1.3911040.67176.20.4151.70.2211.100.270.075 1.4912680.72200.00.4458.50.2312.540.2880.08 1.5914420.77225.20.4765.80.2514.050.3060.085 1.6916280.82251.80.5073.40.2615.640.3240.09 1.7918250.87279.90.5381.40.2817.300.3420.095 1.8920340.91309.30.5689.80.2919.050.360.1 1.9922530.96340.20.5998.50.3120.870.3960.11 2.192727 1.06406.30.64117.30.3424.730.217.370.4320.12 2.393245 1.16478.00.70137.50.3728.890.238.590.4680.13 2.593808 1.25556.40.76159.30.4033.350.249.900.5040.14 2.794417 1.35645.30.82182.60.4338.100.2611.280.540.15 2.98
5070
1.44740.80.88207.40.4743.140.281
2.750.5760.16 1.54842.80.9423
3.80.5048.480.301
4.300.6120.17 1.64951.50.99261.70.5354.110.321
5.930.6480.18 1.73106
6.7 1.05291.10.5660.030.341
7.630.6840.19 1.83118
8.5 1.11322.00.5966.230.361
9.420.200.720.2 1.931316.9 1.17354.40.6272.720.3821.290.210.90.25 2.412057.7 1.46550.20.78109.480.4731.800.261.080.3 2.892963.1 1.76792.20.93153.360.5744.240.321.260.35 3.374033.1
2.051078.3 1.09204.320.6658.610.371.440.4 2.341408.4 1.24262.590.7574.880.421.620.45 2.631782.5 1.40332.340.859
3.040.471.80.5 2.932200.6 1.55410.290.94113.090.531.980.55 3.222662.8
1.71496.45 1.04135.020.58
2.160.6 1.86590.82 1.13158.830.632.340.65 2.0269
3.39 1.2218
4.360.692.520.7 2.17804.17 1.32213.820.742.70.75 2.33923.15 1.4124
5.450.792.880.8 2.481050.34 1.51279.270.843.060.85 2.641185.74 1.60315.270.903.240.9 2.791329.34
1.70353.450.953.420.95 1.79393.82 1.003.61 1.88436.36 1.053.78 1.05 1.98481.09 1.113.96 1.1
2.07528.00 1.164.14 1.15 2.17577.09 1.214.32 1.2 2.26628.36 1.274.5 1.25 2.35681.81 1.324.68 1.3 2.45737.45 1.374.86 1.35 2.54795.27 1.425.04 1.4 2.64855.27 1.485.22 1.45 2.73917.45 1.535.4 1.5 2.83981.81 1.585.58 1.55 2.921048.36 1.635.76 1.6
3.011117.08
1.695.94 1.65 1.746.12 1.7 1.796.3 1.75 1.856.48 1.8 1.906.66 1.85 1.956.84 1.9
2.007.02 1.95 2.067.22 2.117.56 2.1 2.217.92 2.2 2.32Q
钢管（水煤气管）的1000i 和v 值
Dg(毫米)
25(1")32(1 1/4
810
15(1/2")20(3/4")
9 2.5 2.64 9.36 2.6 2.74
9.72 2.7 2.85
10.08 2.8 2.95 10.44 2.9
10.83
11.16 3.1
11.52 3.2
11.88 3.3
12.24 3.4
12.6 3.5
12.96 3.6
13.32 3.7
13.68 3.8
14.04 3.9
14.44
14.76 4.1
15.12 4.2
15.48 4.3
15.84 4.4
16.2 4.5
16.56 4.6
16.92 4.7
17.28 4.8
17.64 4.9
185
18.36 5.1
18.72 5.2
19.08 5.3
19.44 5.4
19.8 5.5
20.16 5.6
20.52 5.7
20.88 5.8
21.24 5.9
21.66
21.96 6.1
22.32 6.2
22.68 6.3
23.04 6.4
23.4 6.5
23.76 6.6
24.12 6.7
24.48 6.8
24.84 6.9
25.27
25.567.1
25.927.2
26.287.3
26.647.4
277.5
27.367.6
27.727.7
28.087.8
28.447.9
28.88
29.168.1
29.528.2
29.888.3
30.248.4
30.68.5
30.968.6
31.328.7
31.688.8
32.048.9
32.49
32.769.1
33.129.2
33.489.3
3610
36.910.25
37.810.5
38.710.75
39.611
40.511.25
41.411.5
42.311.75
43.212
44.112.25
4512.5
45.912.75
46.813
47.713.25
48.613.5
49.513.75
50.414
51.314.25
52.214.5
53.114.75
5415 55.815.5 57.616 59.416.5 61.217
6317.5 64.818 66.618.5 68.419 70.219.5
7220 73.820.5 75.621 77.421.5 79.222
8122.5 82.823 84.623.5 86.424 88.224.5
9025 91.825.5 93.626 95.426.5 97.227
9927.5 100.828 102.628.5 104.429 106.229.5 10830 109.830.5 111.631 113.431.5 115.232 11732.5 118.833 120.633.5 122.434 124.234.5 12635 127.835.5 129.636 131.436.5 133.237
147.641 151.242 154.843 158.444 16245 165.646 169.247 172.848 176.449 18050 183.651 187.252 190.853 194.454 19855 201.656 205.257
1000i v 1000i v 1000i v 1000i v 1000i v 1000i v 1000i
imH2O/m
iPa/m
1
4.77
5.227.730.20 3.9210.690.24 5.4114.070.287.1017.880.329.0022.110.3611.110.21 3.122
6.750.4013.410.24 3.7531.810.4415.920.26 4.443
7.280.481
8.620.28 5.1843.160.5221.530.31 5.974
9.450.5624.630.33 6.810.20 2.0056.150.6027.920.357.700.21 2.2663.250.6431.410.388.650.23 2.5370.760.6835.090.409.640.24 2.8178.670.7238.970.4210.680.26 3.1186.980.7643.040.4511.770.27 3.4295.710.8047.310.4712.910.28 3.750.20 1.64104.830.8451.760.4914.100.30 4.090.21 1.79114.360.8856.410.5215.340.31 4.440.22 1.94124.030.9261.250.5416.630.33 4.810.23 2.10135.050.9566.290.5717.970.34 5.190.24 2.26146.540.9971.510.5919.350.35 5.580.25 2.43158.50 1.0376.930.6120.790.37 5.990.26 2.61170.93 1.0782.540.6422.270.38 6.400.27 2.79183.82 1.1188.340.6623.800.40 6.840.28 2.97197.19 1.1594.330.6825.380.417.280.29 3.16211.02 1.19100.510.7127.010.437.740.30 3.36225.32 1.23106.890.7328.690.448.210.31 3.56240.10 1.27113.900.7530.410.458.690.32 3.77255.34 1.31121.130.7832.180.479.190.33 3.98271.04 1.35128.580.8034.000.489.700.34 4.200.20 1.09287.22 1.39136.260.8235.870.5010.220.35 4.420.20 1.15303.87 1.43144.160.8537.790.5110.750.36 4.650.21 1.21320.99 1.47152.280.8739.750.5211.300.37 4.880.21 1.27338.57 1.51160.620.8941.760.5411.860.38 5.120.22 1.33356.63 1.55169.180.9243.820.5512.430.39 5.370.23 1.39375.15 1.59177.970.9445.930.5713.020.40 5.620.23 1.45413.60 1.67196.210.9950.290.6014.230.42 6.130.24 1.59453.93 1.75215.34 1.0454.840.6215.490.44 6.670.25 1.72125(5")
70(2 1/2")
80(3")
100(4")
1 1/4")
40(1 1/2")50(2")
586.17 1.99278.08 1.1869.630.7119.570.508.400.29 2.16
634.00 2.07300.77 1.2274.870.7421.030.529.020.30 2.310.200.82 683.71 2.15324.35 1.2780.740.7722.540.549.660.31 2.470.200.88 735.29 2.23348.82 1.3286.840.7924.100.5610.320.32 2.640.210.94
2.31374.18 1.379
3.150.8225.720.5811.000.33 2.810.22 1.00
2.39400.43 1.4199.680.8527.380.6011.700.35 2.990.23 1.06
2.47427.57 1.46106.440.8829.090.6212.420.36
3.170.23 1.12
2.55455.60 1.5111
3.420.9130.850.6413.160.37 3.350.24 1.19
2.63484.52 1.55120.620.9432.660.661
3.920.38 3.540.25 1.25
2.71514.33 1.60128.040.9634.530.6814.700.39
3.740.26 1.32
2.79545.03 1.65135.680.9936.440.7115.510.40
3.930.26 1.39
2.86576.62 1.7014
3.55 1.0238.400.7316.330.42
4.140.27 1.46
2.94609.10 1.74151.63 1.0540.410.7517.170.43 4.350.28 1.54
3.02642.47 1.79159.94 1.0842.470.7718.030.44
4.560.29 1.61
1.84168.47 1.1144.580.7918.920.45 4.780.29 1.69
1.88177.22 1.1346.740.8119.820.46 5.000.30 1.76
1.93186.19 1.1648.950.8320.750.47 5.230.31 1.84
1.98195.38 1.1951.210.8521.690.49 5.460.32 1.92
2.02204.80 1.225
3.450.8722.660.50 5.700.32 2.01
2.07214.43 1.2555.960.892
3.640.51 5.940.33 2.09
2.12224.29 1.2858.540.9124.650.52 6.190.34 2.18
2.17234.37 1.3061.170.9325.670.53 6.440.35 2.26
2.21244.67 1.336
3.860.9526.720.54 6.700.35 2.35
2.26255.19 1.3666.600.9727.780.55 6.960.36 2.44
2.31265.94 1.3969.410.9928.870.577.230.37 2.53
2.35276.90 1.4272.27 1.0129.970.587.500.38 2.63
2.40288.09 1.4575.19 1.0331.100.597.770.38 2.72
2.45299.50 1.4778.17 1.0532.240.608.050.39 2.82
2.50311.13 1.5081.20 1.073
3.410.618.340.40 2.92
2.54322.98 1.5384.29 1.0934.600.628.630.41
3.02
2.59335.05 1.5687.44 1.1135.800.648.920.41
3.12
2.64347.35 1.5990.65 1.1337.030.659.220.42
3.22
2.68359.86 1.629
3.92 1.1538.270.669.520.43 3.32
2.73372.60 1.6597.24 1.1739.540.679.830.44
3.43
2.78385.56 1.67100.63 1.1940.830.6810.140.44
3.54
2.83398.74 1.70104.07 1.2142.030.6910.460.45
3.65
2.87412.14 1.73107.56 1.234
3.440.7010.780.46 3.76
2.92425.76 1.76111.12 1.2544.880.7211.110.47
3.87
2.97439.61 1.79114.73 1.2746.340.7311.440.47
3.98
3.01453.68 1.82118.40 1.2947.820.7411.780.48
4.10
1.8412
2.13 1.3149.330.7512.120.49 4.21
1.87125.92 1.3350.860.761
2.460.50 4.33
1.90129.76 1.355
2.410.7712.810.50 4.45
1.93133.67 1.3753.990.7913.170.51 4.57
1.96137.63 1.3955.580.8013.520.52 4.69
1.99141.65 1.4157.210.8113.890.53 4.82
2.01145.72 1.4358.850.8214.260.53 4.94
2.04149.86 1.4560.520.8314.630.54 5.07
2.07154.05 1.4762.220.8415.010.55 5.20
2.10158.30 1.496
3.930.8515.390.56 5.33
2.13162.60 1.5165.670.8715.780.57 5.46
2.16166.97 1.5367.440.8816.170.57 5.59
2.18171.39 1.5569.220.8916.560.58 5.73
2.21175.87 1.5771.030.9016.960.59 5.86
2.24180.41 1.5972.860.9117.370.60 6.00
2.27185.01 1.6174.720.9217.780.60 6.14
2.30189.66 1.6376.600.9418.190.61 6.28
2.33194.37 1.6578.500.9518.610.62 6.42
2.35199.14 1.6780.430.9619.040.63 6.57
2.3820
3.97 1.6982.380.9719.470.63 6.71
2.41208.86 1.7184.350.9819.900.64 6.86
2.4421
3.80 1.7386.350.9920.340.657.01
2.47218.80 1.7588.37 1.0020.780.667.16
2.5022
3.86 1.7790.41 1.0221.220.667.31
2.52228.97 1.7992.48 1.0321.680.677.46
2.55234.15 1.8194.57 1.0422.130.687.62
2.58239.38 1.8396.68 1.0522.590.697.77
2.61244.67 1.8598.82 1.062
3.060.697.93
2.64250.02 1.87100.98 1.072
3.530.708.09