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欢迎使用猎头版R2.0用户名：青苹果密码：718提示状态：密码通过本计算程序由疯狂5D编辑(QQ:465346759)2007年改编注:未经同意不得使用,否则将追究刑事责任调节阀CV值及选型软件本计算程序由疯狂5D编辑(QQ:465346759)未经同意不得使用,否则将追究刑事责任调节阀CV值及选型软件序号设计员操作时间阀前压力P1650最大流量计算Cv=0.0510液体流量Ql440阀后压力P2101最小流量选定Cv=气体流量Qg440压差△P549温度0型号规格蒸汽流量Ws50粘度0比重G1.29公称通径计算Kv值0.0437过热度△t接管直径0阀座直径549介质判别式选择介质采用值Cv值0.0510.05100.0440△P0.5P1FALSE0.0000您选介质为:气体△P≥0.5P1TRUE0.0511△P0.5P1FALSE0.0000△P≥0.5P1FALSE0.0001注：采用单位应统一1、阀前后压力为kgf/cm2,气体温度及过热度为℃2、Ql=m3/h,Qg=Nm3/h,Ws=kg/h3、在选择介质中选择一种并将改为1，其它改为0,红色的格为选中您选介质为:气体,压差△P=549,计算Cv值=0.051,计算Kv值0.04402020/1/176:40气体水蒸汽0FALSE最后结果：1调节阀口径计算电子表(一)QQ:465346759编制液体0.000基本参数最后结果Cv值序号：位号：设计师姓名：日期时间介质名称液体密度ρ1接管直径液体流量QL气体比重G1.3液体温度℃压力恢复系数FL0.98气体流量Qg阀前压力P1650粘度液体临界压力比系数FF1.000蒸汽流量WS阀后压力P2101最大流量介质饱和蒸汽压PV气体温度t压力差△P549最小流量临界压力PC过热度△t介质选择流量状态采用值判别式201.032非阻塞流FALSE△PFL2(P1-FFPV)01阻塞流FALSE△P≥FL2(P1-FFPV)00FALSEP20.5P100TRUEP2≤0.5P1201.03181FALSEP20.5P100FALSEP2≤0.5P101FALSEP20.5P100FALSEP2≤0.5P101最终结果234.604344调节阀口径计算电子表(二)基本参数介质及判别式液体0气体1一般气体水蒸汽0饱和水蒸汽您最终结果为:压力差:549,KV值:201.032,Cv值=234.6043440过热水蒸汽注意：2020/1/176:40Pv、Pc、P1、P2均为KPa液体（非）：Ql、P、ρ液体流量QL液体(阻):Fl、P、FF、PV、QL、ρ100000气体：Qg、t、G、P蒸汽流量WS水蒸汽：Ws、P、△t31327.8KV值结果0Kvi(计算值)800Kv(选取值)1000结果201.032Kvi(计算值)800Kv(选取值)10000压差KPa0Kv相对密度泄漏量(ml/min)调节阀口径计算电子表(二)基本参数介质及判别式您最终结果为:压力差:549,KV值:201.032,Cv值=234.604344K度计算（直线型)12.00001.000000044.722380.00%K度计算（等百分比93.40%500.00000003/4″20253240501101267815201625单座、精小型单座0.080.120.21.22精小套筒0.320.50.83.25双座阀、套筒角形阀气动薄膜直通单、双座调节阀基本参数公称通径DN/mm阀座直径dg/mm26324050行程/mm10流量系数KV值81210162032公称压力100KPa164064100160(100及160为3/4″~200mm通径的单座阀)254065801001251502002503004060100气动薄膜直通单、双座调节阀基本参数66881001251502002503005080120200280450700110164064100160(100及160为3/4″~200mm通径的单座阀)63100160250400630100016001MPa=10.001kgf/cm2=100.001MPa=1000.007800kg/m3=7.801.977kg/m3=0.00气体比重换算表2kg/m3=液体比重换算表1262kg/m3=Cv转Kv2Cv=1.71Kv转Cv3Kv=3.50℃转℉200℃=392.00℉转℃℉=-17.78提醒：只要你输入对应的值便可得结果。1.26常用单位换算表压力换算表：介质密度换算表1.55kgf/cm2KPaKPag/cm3g/cm3KvCv℉℃1.26常用单位换算表1.55阀的类型阀芯型式流动方向FL名称化学式Pc(100KPa)Tc/K单座阀柱塞形流开0.9氩Ar49.7150.8柱塞形流闭0.8氯Cl27.9417窗口形任意0.9氟F253.1144.3套筒形流开0.9氯化氢HCl83.9324.6套筒形流闭0.8氢H213。933.2双座阀柱塞形任意0.85水H2O221674.3窗口形任意0.9氮NH3114405.6角形阀柱塞形流开0.9二氧化碳CO274.7304.2柱塞形流闭0.8套筒形流开0.85套筒形流闭0.8球阀O形球阀（孔径为0.8d)任意0.55V形球阀任意0.57阀的类型阀芯型式流动方向FL偏旋阀柱塞形任意0.6160全开任意0.6890全开任意0.55部分物料的临界压力Pc和临界温度Tc蝶阀序号工号项目名称流体名称P1P2温度℃流量Q密度计算CV值选取CV值开度公称压力阀门型号123456789101112131415161718192021222324252627282930313233343536373839404142调节阀选型参数登记表4344454647484950515253545556公称通径阀体材质流量特性填料上盖型式定位器执行机构其它调节阀选型参数登记表温度℃22242628303234水蒸气压力MPa0.002640.002980.003360.003780.004240.004750.00532相应真空度MPa0.098690.098350.097970.097550.097090.096580.09601温度℃42444648505254水蒸气压力MPa0.00820.00910.010090.011160.012340.013610.015相应真空度MPa0.093130.092230.091240.090170.088990.087720.08633温度℃62646668707274水蒸气压力MPa0.021840.023910.026150.028560.031160.033960.03696相应真空度MPa0.079490.077420.075180.072770.070170.067370.06437温度℃82848688909294水蒸气压力MPa0.051330.055570.060110.064950.070110.075610.08146相应真空度MPa0.050.045760.041220.036380.031220.025720.01987温度℃102104106108110112114水蒸气压力MPa0.108780.116680.125040.13390.143270.153160.16362温度℃122124126128130132134水蒸气压力MPa0.211450.225040.239330.254350.270130.278310.30407饱和水蒸汽的压力与温度的关系3638400.005940.006620.007380.095390.094710.093955658600.016510.018150.019920.084820.083180.081417678800.040190.043650.047360.061140.057680.0539796981000.087690.09430.101330.013640.0070301161181200.174650.186280.198541361381400.322290.341380.36138饱和水蒸汽的压力与温度的关系口径DN:50S总1963.495口径DN:序号：S开S实D序号：10824.6681138.82738.079109.5706.8581256.63740.0009589.0491374.44741.83398.5504.8991458.59743.0958420.7491542.74644.32087.5360.6421602.85345.1757300.5351662.96046.01576.5257.6011705.89446.6056214.6681748.82847.18865.5184.0011779.49447.6005153.3341810.16148.00854.5131.4291832.06648.2984109.5241853.97148.58543.593.8781869.61748.790378.2321885.26448.99432.567.0561896.44049.139255.8801907.61649.28321.547.8971915.59849.386139.9141923.58149.4891通径：50单座(等百分比)通径：调节阀阀芯坐标点查询调节阀阀芯坐标计算式调节阀阀芯坐标计算式50S总1963.495S开S实D824.6681138.82738.079783.4351180.06138.762742.2011221.29439.433700.9681262.52840.094659.7341303.76140.743618.5011344.99441.382577.2681386.22842.012536.0341427.46142.632494.8011468.69543.243453.5671509.92843.846412.3341551.16144.441371.1011592.39545.028329.8671633.62845.607288.6341674.86246.179247.4001716.09546.744206.1671757.32847.302164.9341798.56247.854123.7001839.79548.39982.4671881.02948.93950单座(直线)调节阀阀芯坐标点查询调节阀阀芯坐标计算式精小型单座精小型套筒精小型角式单座双座三通CV3000单座CV3000套筒