蒸汽的压力与温度的关系.pdf

饱和水蒸汽的压力与温度的关系

饱和水蒸汽的压力与温度的关系(摘自范仲元水和水蒸气热力性质图表p4～10)

温度℃22242628303234363840

水蒸气压力mpa0.002640.002980.003360.003780.004240.004750.005320.005940.006620.00738

相应真空度mpa0.098690.098350.097970.097550.097090.096580.096010.095390.094710.09395

温度℃42444648505254565860

水蒸气压力mpa0.008200.009100.010090.011160.012340.013610.015000.016510.018150.01992

相应真空度mpa0.093130.092230.091240.090170.088990.087720.086330.084820.083180.08141

温度℃62646668707274767880

水蒸气压力mpa0.021840.023910.026150.028560.031160.033960.036960.040190.043650.04736

相应真空度mpa0.079490.077420.075180.072770.070170.067370.064370.061140.057680.05397

温度℃828486889092949698100

水蒸气压力mpa0.051330.055570.060110.064950.070110.075610.081460.087690.094300.10133

相应真空度mpa0.050000.045760.041220.036380.031220.025720.019870.013640.007030

温度℃102104106108110112114116118120

水蒸气压力mpa0.108780.116680.125040.133900.143270.153160.163620.174650.186280.19854

温度℃122124126128130132134136138140

水蒸气压力mpa0.211450.225040.239330.254350.270130.278310.304070.322290.341380.36138

蒸汽是常用的换热介质，而温度控制是通过一定压力下的流量调节来实现的，希望大家建立一个基本的概念。在热交热器或者其它需要蒸汽阀门的地

方，大家在选型时经常会用到。

现将饱和蒸汽的温度与压力对照表整理，供大家参考！

绝对压力绝对压力绝对压力
温度（℃）密度（kg/m3)（kg/cm)温度（℃）密度（kg/m3)（kg/cm)温度（℃）密度（kg/m3)（kg/cm)
1000.61.1031221.192.1151442.1854.042
1010.6111.051231.2252.1821452.2424.155
1020.6391.0881241.2612.251462.3014.271
1030.661.1271251.2982.3211472.3614.398
1040.6821.1671261.3362.3931482.4224.51
1050.7051.2081271.3752.4681492.4844.634
1060.7281.251281.4152.5441502.5484.76
1070.7521.2941291.4552.6221512.6134.889
1080.7761.3391301.4972.7011522.6795.021
1090.8011.3851311.5392.7831532.7475.155
1100.8271.4331321.5832.8671542.8165.292
1110.8531.4821331.6272.9531552.8865.433
1120.881.5321341.6723.0411562.9585.577
1130.9081.5831351.7193.1311573.0325.732
1140.9361.6361361.7663.2231583.1065.872
1150.9651.6911371.8153.3171593.1826.025
1160.9951.7471381.8643.4141603.266.181
1171.0251.8041391.9153.5131613.3396.339
1181.0571.8631401.9673.6141623.426.502
1191.0891.9231412.0193.7171633.5026.667