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工程名称PROJECTNAME2.4710.5M40.647ρ4.095Ps0.5Pb0.05T438Kt1Wr71k1.3C347Kdr0.8Z1Ksh115.8mm24.484085393mm9.5mmSELECTEDORIFICEAREA319.4kg/h阀体bodyWCB弹簧Spring50CrVA连接CONNECTION进口INLET1″150LbRF出口OUTLE审核APPR日期DATE编号MANUFNo.0.7165Pdr=Ps（1+ΔPo）+0.1=PdrKbA=7120%1mm2设计PRED批准APPROVED注Notes：密封面形式SeatType堆焊Stellite合金连接CONNECTIONHG/T2061511/2″150LbRF阀座Nozzle阀瓣Dics304304波纹管Bellows阀盖BONNET排量计算CAPACITYWdr额定排量RATEDRELIEVINGCAPACITY=0.076×A×C×Kdr×Kb×Pdr×(M/(Z×T))1/2=所以计算排量满足需要排量THEREFORECAPACITYISENOUGH材质MATERIAL所需流道直径do=背压平衡机构BACKPRESSUREBALANCE选择流道直径d0=扳手WRENCH选择流道面积散热片PLATEFIN口径计算SIZING安全阀型式TYPEOFSAFETYVALVEAc所需流道面积REQUIREDORIFICEAREA安全阀类型TYPE=Wr/（0.076×C×Kdr×Kb×Pdr×(M/Z×T)1/2）=驱动型式DRIVERTYPE需要排量REQUIREDCAPACITY（kg/h）绝热指数RATIOOFTHESPECIFICHEATS气体特性系数COEFFICIENTDETERMINEDBYk额定排量系数RATEDCOEFFICIENTOFDISCHARGE压缩系数COMPRESSIBILITYFACTOR过热修正系数SUPERHEATCORRECTIONFACTOR背压修正系数排放温度（℃）BACKPRESS.CORRECTIONFACTORRELIEVINGTEMPERAYURE绝对温度ABSOLUTETEMPERATURE（K）温度修正系数TEMPERATURECORRECTIONFACTORT1分子量MOLECULARWEIGHT密度DENSITY(Kg/m3)整定压力SETPRESSURE(MPa)背压力MPa(G)BACKPRESSURE额定排放压力MPa(A)RATEDRELIEVINGPRESSURE背压力MPa(G)BACKPRESSURE0.05参数PARAMETERS允许超过压力百分率超过压力修正系数ALLOWABLEOVERPRESSUREOVERPRESSURECORRECTIONFACTORΔPoKp1流道直径(mm)ORIFICEDIAMETER9.5流道面积(mm2)ORIFICEAREA工作介质FLUID酸性气整定压力MPa(G)SETPRESSURE规格SPECIFICATION工位号TAGNO.SV-2401A,B型号TYPENO.进口尺寸×流道直径×出口尺寸INLET×ORIFICE×OUTLET1×D×1.5开启高度(mm)LIFT安全阀计算书SIZEANDCAPACITYOFSAFETYVALVE使用单位USER规范、标准CODEANDSTANDARDAPIstd526＆APIRP520全启式微启式弹簧导阀波纹管活塞带不带带不带开式闭式工程名称PROJECTNAME5.13240.5M22.3ρ3.438Ps0.5Pb0.05T313Kt1Wr1037.3k1.3C347Kdr0.8Z1Ksh1283.4mm219.00153844mm20.3mmSELECTEDORIFICEAREA1186.0kg/h阀体bodyWCB弹簧Spring50CrVA连接CONNECTION进口INLET11/2″150LbRF出口OUTLE审核APPR日期DATE编号MANUFNo.0.6540Pdr=Ps（1+ΔPo）+0.1=PdrKbA=32410%1mm2设计PRED批准APPROVED注Notes：密封面形式SeatType堆焊Stellite合金连接CONNECTIONHG/T206152″150LbRF阀座Nozzle阀瓣Dics304304波纹管Bellows阀盖BONNET排量计算CAPACITYWdr额定排量RATEDRELIEVINGCAPACITY=0.076×A×C×Kdr×Kb×Pdr×(M/(Z×T))1/2=所以计算排量满足需要排量THEREFORECAPACITYISENOUGH材质MATERIAL所需流道直径do=背压平衡机构BACKPRESSUREBALANCE选择流道直径d0=扳手WRENCH选择流道面积散热片PLATEFIN口径计算SIZING安全阀型式TYPEOFSAFETYVALVEAc所需流道面积REQUIREDORIFICEAREA安全阀类型TYPE=Wr/（0.076×C×Kdr×Kb×Pdr×(M/Z×T)1/2）=驱动型式DRIVERTYPE需要排量REQUIREDCAPACITY（kg/h）绝热指数RATIOOFTHESPECIFICHEATS气体特性系数COEFFICIENTDETERMINEDBYk额定排量系数RATEDCOEFFICIENTOFDISCHARGE压缩系数COMPRESSIBILITYFACTOR过热修正系数SUPERHEATCORRECTIONFACTOR背压修正系数排放温度（℃）BACKPRESS.CORRECTIONFACTORRELIEVINGTEMPERAYURE绝对温度ABSOLUTETEMPERATURE（K）温度修正系数TEMPERATURECORRECTIONFACTORT1分子量MOLECULARWEIGHT密度DENSITY(Kg/m3)整定压力SETPRESSURE(MPa)背压力MPa(G)BACKPRESSURE额定排放压力MPa(A)RATEDRELIEVINGPRESSURE背压力MPa(G)BACKPRESSURE0.05参数PARAMETERS允许超过压力百分率超过压力修正系数ALLOWABLEOVERPRESSUREOVERPRESSURECORRECTIONFACTORΔPoKp1流道直径(mm)ORIFICEDIAMETER20.3流道面积(mm2)ORIFICEAREA工作介质FLUID燃料气整定压力MPa(G)SETPRESSURE规格SPECIFICATION工位号TAGNO.SV-2410A,B型号TYPENO.进口尺寸×流道直径×出口尺寸INLET×ORIFICE×OUTLET1.5×G×2开启高度(mm)LIFT安全阀计算书SIZEANDCAPACITYOFSAFETYVALVE使用单位USER规范、标准CODEANDSTANDARDAPIstd526＆APIRP520全启式微启式弹簧导阀波纹管活塞带不带带不带开式闭式微启式阀塞