管道流速对照表.doc

管径/流速/流量对照表管径（DN）流量 m3/h0.4m/s0。6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2。0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s200.50.70.91。11。41.61.82。02.32。52.72.93.23。4250.71.11.41.82。12。52。83.23.53.94。24。64.95.3321.21.72。32。93。54。14。65.25。86。46。97.58。18。7401.82。73。64。55.46.37。28.19。010.010。911.812.713.6502.84。25.77.18。59。911.312.714。115.617.018.419.821.2654。87。29.611.914.316.719。121。523。926。328。731。133。435.8807。210.914。518。121。725。329.032.636。239。843。447。050.754.310011.317.022.628。333.939。645。250。956。562。267.973。579。284.812517.726。535。344.253.061.970.779.588。497。2106.0114。9123.7132.515025。438.250.963.676.389。1101.8114.5127.2140。0152。7165.4178.1190.920045.267。990。5113.1135.7158.3181。0203.6226。2248.8271。4294。1316。7339.325070。7106。0141。4176.7212。1247.4282。7318.1353.4388.8424.1459。5494.8530。1300101.8152。7203。6254.5305.4356。3407。1458。0508.9559.8610。7661。6712。5763.4350138.5207.8277。1346。4415。6484。9554。2623。4692.7762.0831.3900。5969.81039.1400181.0271。4361。9452。4542。9633。3723。8814。3904.8995。31085.71176。21266.71357。2450229.0343.5458.0572。6687。1801。6916.11030。61145.11259.61374.11488.61603.21717.7500282。7424.1565.5706。9848。2989.61131.01272.31413。71555.11696.51837。81979.22120。6600407。1610。7814。31017。91221.41425。01628.61832。22035.72239。32442.92646。52850。03053。6管径（DN)流速推荐值m/s:20253240506580100125150200250300350400闭式系统0.5-0.60.6-0.70。7-0.90.8-10.91.21。11.41。21。61。3-1.81.52。01.62。21。8-2。51。8-2。61。9-2。91。62.51。8-2.6开式系统0。4-0.50.50.60。6-0.80。70.90。81.00.91。21。1-1.41.2-1。61。41.81.5-2。01。62。31.72.41.72。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。