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1、2012AUGUST24thCHENGDUCHINA2012INTERNATIONALGASREGULATIONCONFERENCEPRINCIPLESOFPILOTEDREGULATORSSELFOPERATEDgaspressureregulatorInletPressureControledPressureSELFOPERATEDgaspressureregulatorP1?:InletPressureP2?:ControledPressureP2SELFOPERATEDgaspressureregulato
2、rSetPointAC?:AccuracyrangeacceptedQmaxavailableAccordingACPhysicalQmaxP2PILOTEDgaspressureregulatorSetPointAC?:AccuracyrangeacceptedQmaxavailableAccordingACPhysicalQmaxP2PILOTEDgaspressureregulatorTwoPathControlSystem(Loading)P1?:InletPressureP2?:ControledPres
3、surePm?:MOTORIZATIONPmP1P2openclosePILOTEDgaspressureregulatorTwoPathControlSystem(Loading)P1?:InletPressureP2?:ControledPressurePm?:MOTORIZATIONPmP1P2openclosePILOTEDgaspressureregulatorTwoPathControlSystem(Loading)P1?:InletPressureP2?:ControledPressurePm?:MO
4、TORIZATIONPmP1P2openclosePILOTEDgaspressureregulatorTwoPathControlSystem(Loading)P1?:InletPressureP2?:ControledPressurePm?:MOTORIZATIONClosedpositionPmP1P2opencloseANSI300/600ClassTYPEOFPRESSUREREGULATORTORMENEAMEMERSON(Tartarini/Fisher)RMGTOPENTRYFCSLEEVE+STE
5、M956FCEZHANSI300/600ClassTYPEOFPRESSUREREGULATORTORMENEAMEMERSON(Tartarini/Fisher)RMGFOSLEEVE+STEM956MFOEZHSOAXIALFLOWFCAXIALFLOW935FCFL5121970'Newdesignbecauseoftheneedto?:ReducethecostbyreducingthenumberofpartsReducethecostofmaintenancebyreducingthetimeneede
6、d.Reducethenoiselevelofthepressurereducingoperation.1970'NewdesignDIAPHRAGMGRIDAREA1970'Newdesignbecauseoftheneedto?:ReducethecostbyreducingthenumberofpartsReducethecostofmaintenancebyreducingthetimeneeded.Reducethenoiselevelofthepressurereducingoperation.PILO
7、TEDgaspressureregulatorUnloadingsystemP1?:InletPressureP2?:ControledPressurePm?:MOTORIZATIONPmP1P2closeopenPILOTEDgaspressureregulatorUnloadingsystemP1?:InletPressureP2?:ControledPressurePm?:MOTORIZATIONPmP1P2closeopenPILOTEDgaspressureregulatorUnloadingsystem
8、P1?:InletPressureP2?:ControledPressurePm?:MOTORIZATIONPmP1P2closeopenPILOTEDgaspressureregulatorUnloadingsystemP1?:InletPressureP2?:ControledPressurePm?:MOTORIZATIONClosedpositionP
