Emerson EZH and EZHSO Series Pressure Reducing Regulators Ficha de datos

Process ManagementTMType EZH and EZHSOPRESSURE REGULATORSEurope, Middle East, and Africa Only

10EZH and EZHSO RegulatorsMECHANISMBOXLOCATIONFOR SWITCHRESET PIN WITH WHITE DOTCLIPSLIDING CLEVISSTEMSCREW ANDFLAT WASHERTRIPPING PLATEMANOMETRIC SEN

11EZH and EZHSO RegulatorsInlet pressureRegulator motorization pressure Outlet pressureStabilized pressureApplicationMechanism Box Manometric Sensing

12EZH and EZHSO RegulatorsPilotsThe Type EZH and EZHSO pressure reducing regulator includes a PRX Series pilot mounted on the Type EZH and EZHSO main

13EZH and EZHSO RegulatorsExamples of ConnectionsPRX/120PRX/120-AP4DNPRX/120PRX/120-APPRX/120PRX/120-APPRX/120PRX/120-AP6DN4DN6DNEZHEZH-OS2EZHRegulato

14EZH and EZHSO RegulatorsABECIHECIndicator coverremoval clearanceKBAIHABECIHJOverall Dimensions and WeightsDNWeights (kg)PN 16 B ANSI 150PN 25 B - PN

15EZH and EZHSO RegulatorsFGBCADIHEJHIECBFDAGFGBCADIHEIndicator coverremoval clearance25 mmMechanism boxremoval clearanceK25 mmMechanism boxremoval cl

Process ManagementTMThe Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective ow

2EZH and EZHSO RegulatorsPressure RegulatorsType EZH and EZHSO (Spring-to-Open) regulators are accurate pilot-operated, pressure balanced, soft seated

3EZH and EZHSO RegulatorsConfigurationsType EZH: Pilot-operated pressure reducing regulator for low to high outlet pressure.Type EZH-OS2: Type EZH p

4EZH and EZHSO RegulatorsOperationThe pilot-operated type EZH uses inlet pressure as the operating medium, which is reduced through pilot operation to

5EZH and EZHSO RegulatorsOperationMonitoring SystemMonitoring regulation is overpressure protection by containment, therefore, there is no relief valv

6EZH and EZHSO RegulatorsOperationFailure Mode AnalysisIn a working monitoring system, the upstream regulator requires two pilots and it is always the

7EZH and EZHSO RegulatorsFeaturesTechnical FeaturesMaterialsApplicationsFunctional FeaturesAllowable pressure PS : up to 100 barInlet pressure Pu :

8EZH and EZHSO RegulatorsCalculation ProceduresSymbolsQ = Natural gas flow rate in Stm3/hP1 = Absolute inlet pressure in barP2 = Absolute outlet pr

9EZH and EZHSO RegulatorsCalculate the required Cg with the following formula:N.B. The above formulas apply to natural gas flow rate only. If the flo