1、2.32.52.72.93.23.4252.12.83.53.94.24.64.95.3321.21.74.15.25.86.46.97.58.18.7403.64.55.46.37.29.010.010.911.812.713.6505.77.18.59.911.314.115.617.018.419.821.2654.89.611.914.316.719.121.523.926.328.731.133.435.88014.518.121.725.329.032.636.239.843.447.050.754.310022.628.333.939.645.250.956.562.267.97
2、3.579.284.812517.726.535.344.253.061.970.779.588.497.2106.0114.9123.7132.515025.438.263.676.389.1101.8114.5127.2140.0152.7165.4178.1190.920090.5113.1135.7158.3181.0203.6226.2248.8271.4294.1316.7339.3250141.4176.7212.1247.4282.7318.1353.4388.8424.1459.5494.8530.1300254.5305.4356.3407.1458.0508.9559.8
3、610.7661.6712.5763.4350138.5207.8277.1346.4415.6484.9554.2623.4692.7762.0831.3900.5969.81039.1400361.9452.4542.9633.3723.8814.3904.8995.31085.71176.21266.71357.2450229.0343.5572.6687.1801.6916.11030.61145.11259.61374.11488.61603.21717.7500565.5706.9848.2989.61131.01272.31413.71555.11696.51837.81979.
4、22120.66001017.91221.41425.01628.61832.22035.72239.32442.92646.52850.03053.6流速推荐值m/s:闭式系统0.5-0.60.6-0.70.7-0.90.8-10.9-1.21.1-1.41.2-1.61.3-1.81.5-2.01.6-2.21.8-2.51.8-2.61.9-2.91.6-2.5开式系统0.4-0.50.6-0.80.8-1.01.4-1.81.6-2.31.7-2.42.1 管道内各种介质常用流速范围管道内各种介质常用流速范围见表2.1。表中管道的材质除注明外,一律为钢。该表中流速为推荐值。2.2 管道压力降控制值 管道压力降控制值见表2.21和表2.22。该表中压力降值为推荐值。如有侵权请联系告知删除,感谢你们的配合!