管徑/流速/流量對(duì)照表管徑（DN）0。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/s流速對(duì)應(yīng)流量m3/h200。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。7158.3181.0208.6226.2248.8271.4294。1316。7339.325070。7106.0141。4176。7212.1247.4282。7318。1353.4388。8424。1489.5494。8530.1300101.8152.7208。6254。5305。4386.3407.1488。0508.9589.8640.7661.6712.5763。4350138.5207。8277.1346。4415.6484。9554.2623.4692.7762。0831。3900.5989.81089。1400181。0271。4381。9462。4542.9633。3723.8814。3904.8995.31085。71176.21286.71357.2管徑（DN）流速推薦值m/s：20253240506580100125150200250300350400閉式系統(tǒng)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—2.51。8—2。6開(kāi)式系統(tǒng)0.4-0.50。5-0。60.6—0。80.7—0.90.8-1。00。9-1。21。1—1。41。2-1.61.4-1。81.5-2.01。6—2。31.7-2.41.7-2。41.6—2。11.8—2.32管道內(nèi)流體常用流速范圍和一般工程設(shè)計(jì)中的壓力降控制值2.1管道內(nèi)各種介質(zhì)常用流速范圍管道內(nèi)各種介質(zhì)常用流速范圍見(jiàn)表2.1。表中管道的材質(zhì)除注明外，一律為鋼。該表中流速為推薦值。2。