计算管径、压力、流速、流量表格

管径/流速/流量 对照表 免费下载字号和pt对照表省市对照表下载尺码对照表下载、简繁体字对照表下载三体系对照表免费下载 1管道内介质常用流速范围表管径单位：DN流速单位：m/s流量单位：m3/h圆周率（π）：3.1415926管径管道管径规格大小（DN）流量20253240506580100125150200250300350400450500600工作介质管道种类及条件流速(米/秒)管材工作介质管道种类及条件流速(米/秒)管材流速0.10.110.180.290.450.711.191.812.834.426.3611.3117.6725.4534.6445.2457.2670.69101.79过热蒸汽DN>200DN=200～100DN<10040--60钢排出废水0.4--0.8钢0.20.230.350.580.901.412.393.625.658.8412.7222.6235.3450.8969.2790.48114.51141.37203.5830--50钢泥状混合物浓度：15％2.5--3钢0.30.340.530.871.362.123.585.438.4813.2519.0933.9353.0176.34103.91135.72171.77212.06305.3620--40钢25%3--4钢0.40.450.711.161.812.834.787.2411.3117.6725.4545.2470.69101.79138.54180.96229.02282.74407.15饱和蒸汽DN>200DN=200～100DN<10030--40钢65%2.5--3钢0.50.570.881.452.263.535.979.0514.1422.0931.8156.5588.36127.23173.18226.19286.28353.43508.9425--35钢液氨P=真空0.05--0.3钢0.60.681.061.742.714.247.1710.8616.9626.5138.1767.86106.03152.68207.82271.43343.53424.12610.7315--30钢P＜6kg/cm2(表)0.3--0.8钢0.70.791.242.033.174.958.3612.6719.7930.9344.5379.17123.70178.13242.45316.67400.79494.80712.51乏气排气管:从受压容器排出80钢P＜20kg/cm2(表)0.8--1.5钢0.80.901.412.323.625.659.5614.4822.6235.3450.8990.48141.37203.58277.09361.91458.04565.49814.30从无压容器排出15--30钢油及粘度大的液体油及相似液体0.5--2钢0.91.021.592.614.076.3610.7516.2925.4539.7657.26101.79159.04229.02311.72407.15515.30636.17916.09压缩性气体真空5--10钢粘度50厘泊:Dg250.5--0.9钢11.131.772.904.527.0711.9518.1028.2744.1863.62113.10176.71254.47346.36452.39572.56706.861017.88P≤3kg/cm2(表)8--12钢Dg500.7--1钢1.11.241.943.184.987.7813.1419.9131.1048.6069.98124.41194.39279.92381.00497.63629.81777.541119.66P≤6kg/cm2(表)10--20钢Dg1001--1.6钢1.21.362.123.475.438.4814.3421.7133.9353.0176.34135.72212.06305.36415.63542.87687.07848.231221.45P≤10kg/cm2(表)10--15钢粘度100厘泊:Dg250.3--0.6钢1.31.472.303.765.889.1915.5323.5236.7657.4382.70147.03229.73330.81450.27588.11744.32918.921323.24P≤70kg/cm2(表)8--12钢Dg500.5--0.7钢1.41.582.474.056.339.9016.7225.3339.5861.8589.06158.34247.40356.26484.90633.35801.58989.601425.03P≤150kg/cm2(表)6--10钢Dg1000.7--1钢1.51.702.654.346.7910.6017.9227.1442.4166.2795.43169.65265.07381.70519.54678.58858.831060.291526.81P≤200--300kg/cm2(表)5--10钢Dg2001.2--1.6钢1.61.812.834.637.2411.3119.1128.9545.2470.69101.79180.96282.74407.15554.18723.82916.091130.971628.60煤气管道长：50--100米钢油及粘度大的液体粘度1000厘泊:Dg250.1--0.2钢1.71.923.004.927.6912.0220.3130.7648.0775.10108.15192.27300.41432.60588.81769.06973.341201.661730.39P≤200毫米水柱0.75--3钢Dg500.16--0.25钢1.82.043.185.218.1412.7221.5032.5750.8979.52114.51203.58318.09458.04623.45814.301030.601272.351832.18P≤2000毫米水柱8--12钢Dg1000.25--0.35钢1.92.153.365.508.6013.4322.7034.3853.7283.94120.87214.88335.76483.49658.09859.541087.851343.031933.96半水煤气P=1--1.5(绝)10--15钢Dg2000.35--0.55钢22.263.535.799.0514.1423.8936.1956.5588.36127.23226.19353.43508.94692.72904.781145.111413.722035.75天燃气30钢气体鼓风机吸入管10--15钢2.12.383.716.089.5014.8425.0938.0059.3892.78133.60237.50371.10534.38727.36950.021202.371484.402137.54交换气P=1--20(绝)10--15钢鼓风机排出管15--20钢2.22.493.896.379.9515.5526.2839.8162.2097.19139.96248.81388.77559.83761.99995.261259.621555.092239.33氧气P＜6kg/cm2(表)7--8钢压缩机吸入管10--20钢2.32.604.066.6610.4016.2627.4841.6265.03101.61146.32260.12406.44585.28796.631040.501316.881625.772341.11P＜20kg/cm2(表)4--6钢压缩机排出管钢2.42.714.246.9510.8616.9628.6743.4367.86106.03152.68271.43424.12610.73831.271085.731374.131696.462442.90P＜30kg/cm2(表)3--4钢P＜10kg/cm28--10钢管径/流速/流量对照表2氨气P=真空15--25钢P=10--100kg/cm210--20钢P＜3kg/cm2(绝)8--15钢P＞100kg/cm28--12钢管径单位：DN流速单位：m/s流量单位：m3/h圆周率（π）：3.1415926P＜6kg/cm2(绝)10--20钢往复式真空泵吸入管13--16钢管径管道管径规格大小（DN）P＜20kg/cm2(绝)3--8钢往复式真空泵排出管25--30钢流量20253240506580100125150200250300350400450500600水及粘度相似液体P=1--3g/cm2(表)0.5--2钢油封式真空泵吸入管10--13钢流速P≤10kg/cm2(表)5--3钢水及粘度相似液体往复泵吸入管0.5--1.52.52.834.427.2411.3117.6729.8645.2470.69110.45159.04282.74441.79636.17865.901130.971431.391767.152544.69P≤80kg/cm2(表)2--3钢往复泵排出管1--22.62.944.597.5311.7618.3831.0647.0573.51114.86165.40294.05459.46661.62900.541176.211488.641837.832646.48P≤200--300kg/cm2(表)2--3.5钢离心泵吸入管（常温）0.5--1.52.73.054.777.8212.2119.0932.2548.8676.34119.28171.77305.36477.13687.07935.171221.451545.901908.522748.27热网循环水、冷却水0.5--1钢（70--110℃）1.--32.83.174.958.1112.6719.7933.4550.6779.17123.70178.13316.67494.80712.51969.811266.691603.151979.202850.05压力回水0.5--2钢齿轮泵吸入管≤12.93.285.128.4013.1220.5034.6452.4882.00128.12184.49327.98512.47737.961004.451311.931660.412049.892951.84无压回水0.5--1.2钢齿轮泵排出管1--233.395.308.6913.5721.2135.8454.2984.82132.54190.85339.29530.14763.411039.081357.171717.672120.583053.63海水微碱水1.5--2.4钢衬胶混凝土、涂沥青钢管、透明塑料管3.13.515.488.9814.0221.9137.0356.1087.65136.95197.21350.60547.82788.851073.721402.411774.922191.263155.42最小0.953.23.625.659.2614.4822.6238.2357.9190.48141.37203.58361.91565.49814.301108.351447.651832.182261.953257.201.5--3.63.33.735.839.5514.9323.3339.4259.7293.31145.79209.94373.22583.16839.751142.991492.881889.432332.633358.99最小0.953.43.856.019.8415.3824.0340.6261.5296.13150.21216.30384.53600.83865.191177.631538.121946.692403.323460.783.53.966.1910.1315.8324.7441.8163.3398.96154.63222.66395.84618.50890.641212.261583.362003.942474.003562.573.64.076.3610.4216.2925.4543.0165.14101.79159.04229.02407.15636.17916.091246.901628.602061.202544.693664.353.74.186.5410.7116.7426.1544.2066.95104.62163.46235.38418.46653.84941.541281.531673.842118.452615.383766.143.84.306.7211.0017.1926.8645.3968.76107.44167.88241.75429.77671.52966.981316.171719.082175.712686.063867.933.94.416.8911.2917.6427.5746.5970.57110.27172.30248.11441.08689.19992.431350.811764.322232.972756.753969.7244.527.0711.5818.1028.2747.7872.38113.10176.71254.47452.39706.861017.881385.441809.562290.222827.434071.504.14.647.2511.8718.5528.9848.9874.19115.92181.13260.83463.70724.531043.321420.081854.802347.482898.124173.294.24.757.4212.1619.0029.6950.1776.00118.75185.55267.19475.01742.201068.771454.711900.042404.732968.814275.084.34.867.6012.4519.4530.3951.3777.81121.58189.97273.55486.32759.871094.221489.351945.272461.993039.494376.874.44.987.7812.7419.9131.1052.5679.62124.41194.39279.92497.63777.541119.661523.991990.512519.243110.184478.654.55.097.9513.0320.3631.8153.7681.43127.23198.80286.28508.94795.221145.111558.622035.752576.503180.864580.444.65.208.1313.3220.8132.5254.9583.24130.06203.22292.64520.25812.891170.561593.262080.992633.753251.554682.234.75.328.3113.6121.2633.2256.1585.05132.89207.64299.00531.56830.561196.001627.892126.232691.013322.234784.024.85.438.4813.9021.7133.9357.3486.86135.72212.06305.36542.87848.231221.451662.532171.472748.273392.924885.80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管径管道管径规格大小（DN）流量20253240506580100125150200250300350400450500600流速4.95.548.6614.1922.1734.6458.5388.67138.54216.48311.72554.18865.901246.901697.172216.712805.523463.614987.5955.658.8414.4822.6235.3459.7390.48141.37220.89318.09565.49883.571272.351731.802261.952862.783534.295089.385.15.779.0114.7723.0736.0560.9292.29144.20225.31324.45576.80901.241297.791766.442307.192920.033604.985191.175.25.889.1915.0623.5236.7662.1294.10147.03229.73330.81588.11918.921323.241801.082352.422977.293675.665292.965.35.999.3715.3523.9837.4663.3195.91149.85234.15337.17599.42936.591348.691835.712397.663034.543746.355394.745.46.119.5415.6324.4338.1764.5197.72152.68238.56343.53610.73954.261374.131870.352442.903091.803817.045496.535.56.229.7215.9224.8838.8865.7099.53155.51242.98349.89622.04971.931399.581904.982488.143149.053887.725598.325.66.339.9016.2125.3339.5866.90101.34158.34247.40356.26633.35989.601425.031939.622533.383206.313958.415700.115.76.4510.0716.5025.7940.2968.09103.14161.16251.82362.62644.651007.271450.471974.262578.623263.564029.095801.895.86.5610.2516.7926.2441.0069.29104.95163.99256.24368.98655.961024.941475.922008.892623.863320.824099.785903.685.96.6710.4317.0826.6941.7070.48106.76166.82260.65375.34667.271042.621501.372043.532669.103378.084170.466005.4766.7910.6017.3727.1442.4171.68108.57169.65265.07381.70678.581060.291526.812078.162714.343435.334241.156107.266.16.9010.7817.6627.6043.1272.87110.38172.47269.49388.07689.891077.961552.262112.802759.573492.594311.846209.046.27.0110.9617.9528.0543.8374.06112.19175.30273.91394.43701.201095.631577.712147.442804.813549.844382.526310.836.37.1311.1318.2428.5044.5375.26114.00178.13278.33400.79712.511113.301603.152182.072850.053607.104453.216412.626.47.2411.3118.5328.9545.2476.45115.81180.96282.74407.15723.821130.971628.602216.712895.293664.354523.896514.416.57.3511.4918.8229.4145.9577.65117.62183.78287.16413.51735.131148.641654.052251.342940.533721.614594.586616.196.67.4611.6619.1129.8646.6578.84119.43186.61291.58419.87746.441166.321679.502285.982985.773778.864665.276717.986.77.5811.8419.4030.3147.3680.04121.24189.44296.00426.24757.751183.991704.942320.623031.013836.124735.956819.776.87.6912.0219.6930.7648.0781.23123.05192.27300.41432.60769.061201.661730.392355.253076.253893.384806.646921.566.97.8012.1919.9831.2148.7782.43124.86195.09304.83438.96780.371219.331755.842389.893121.493950.634877.327023.3477.9212.3720.2731.6749.4883.62126.67197.92309.25445.32791.681237.001781.282424.523166.734007.894948.017125.137.18.0312.5520.5632.1250.1984.82128.48200.75313.67451.68802.991254.671806.732459.163211.964065.145018.697226.927.28.1412.7220.8532.5750.8986.01130.29203.58318.09458.04814.301272.351832.182493.803257.204122.405089.387328.71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管径管道管径规格大小（DN）流量20253240506580100125150200250300350400450500600流速7.38.2612.9021.1433.0251.6087.21132.10206.40322.50464.41825.611290.021857.622528.433302.444179.655160.077430.497.48.3713.0821.4333.4852.3188.40133.91209.23326.92470.77836.921307.691883.072563.073347.684236.915230.757532.287.58.4813.2521.7133.9353.0189.59135.72212.06331.34477.13848.231325.361908.522597.703392.924294.165301.447634.077.68.6013.4322.0034.3853.7290.79137.53214.88335.76483.49859.541343.031933.962632.343438.164351.425372.127735.867.78.7113.6122.2934.8354.4391.98139.34217.71340.18489.85870.851360.701959.412666.983483.404408.685442.817837.657.88.8213.7822.5835.2955.1393.18141.15220.54344.59496.21882.161378.371984.862701.613528.644465.935513.507939.437.98.9313.9622.8735.7455.8494.37142.96223.37349.01502.58893.471396.052010.312736.253573.884523.195584.188041.2289.0514.1423.1636.1956.5595.57144.76226.19353.43508.94904.781413.722035.752770.883619.114580.445654.878143.018.19.1614.3123.4536.6457.2696.76146.57229.02357.85515.30916.091431.392061.202805.523664.354637.705725.558244.808.29.2714.4923.7437.1057.9697.96148.38231.85362.26521.66927.401449.062086.652840.163709.594694.955796.248346.588.39.3914.6724.0337.5558.6799.15150.19234.68366.68528.02938.711466.732112.092874.793754.834752.215866.928448.378.49.5014.8424.3238.0059.38100.35152.00237.50371.10534.38950.021484.402137.542909.433800.074809.465937.618550.168.59.6115.0224.6138.4560.08101.54153.81240.33375.52540.75961.331502.072162.992944.063845.314866.726008.308651.958.69.7315.2024.9038.9160.79102.73155.62243.16379.94547.11972.641519.752188.432978.703890.554923.986078.988753.738.79.8415.3725.1939.3661.50103.93157.43245.99384.35553.47983.951537.422213.883013.343935.794981.236149.678855.528.89.9515.5525.4839.8162.20105.12159.24248.81388.77559.83995.261555.092239.333047.973981.035038.496220.358957.318.910.0715.7325.7740.2662.91106.32161.05251.64393.19566.191006.571572.762264.773082.614026.275095.746291.049059.10910.1815.9026.0640.7263.62107.51162.86254.47397.61572.561017.881590.432290.223117.254071.505153.006361.739160.889.110.2916.0826.3541.1764.32108.71164.67257.30402.03578.921029.191608.102315.673151.884116.745210.256432.419262.679.210.4016.2626.6441.6265.03109.90166.48260.12406.44585.281040.501625.772341.113186.524161.985267.516503.109364.469.310.5216.4326.9342.0765.74111.10168.29262.95410.86591.641051.811643.452366.563221.154207.225324.766573.789466.259.410.6316.6127.2242.5266.44112.29170.10265.78415.28598.001063.111661.122392.013255.794252.465382.026644.479568.039.510.7416.7927.5142.9867.15113.49171.91268.61419.70604.361074.421678.792417.463290.434297.705439.276715.159669.829.610.8616.9627.7943.4367.86114.68173.72271.43424.12610.731085.731696.462442.903325.064342.945496.536785.849771.619.710.9717.1428.0843.8868.57115.88175.53274.26428.53617.091097.041714.132468.353359.704388.185553.796856.539873.409.811.0817.3228.3744.3369.27117.07177.34277.09432.95623.451108.351731.802493.803394.334433.425611.046927.219975.189.911.2017.4928.6644.7969.98118.26179.15279.92437.37629.811119.661749.472519.243428.974478.655668.306997.9010077.01011.3117.6728.9545.2470.69119.46180.96282.74441.79636.171130.971767.152544.693463.614523.895725.557068.5810178.8管径流速推荐安全值管径(DN)流速推荐值m/s:20253240506580100125150200250300350400闭式系统0.5-0.60.6-0.70.7-0.90.8-10.9-1.21.1-1.41.2-1.61.3-1.81.5-2.01.6-2.21.8-2.51.8-2.61.9-2.91.6-2.51.8-2.6开式系统0.4-0.50.5-0.60.6-0.80.7-0.90.8-1.00.9-1.21.1-1.41.2-1.61.4-1.81.5-2.01.6-2.31.7-2.41.7-2.41.6-2.11.8-2.3