Emerson Fisher 4660 Datasheet

www.Fisher.comFisherr 4660 High-Low Pressure PilotThe Fisher 4660 pneumatic high-low pressure pilotactivates safety shutdown systems for flowlines,pro

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 10Figure 7. Pipestand Mounting DimensionsOPTIONALSUPPLY CONNECTIONOUTPUT CONNECTIO

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 11Ordering InformationWhen ordering, specify:Applicationn Bourdon tube rating and

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 12Emerson Process Management Marshalltown, Iowa 50158 USASorocaba, 18087 BrazilCha

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 2n NACE Conformance—A NACE compliant Bourdontube is available for those applicatio

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 3SpecificationsAvailable ConfigurationsJ High-low, J low-only, or J high-only set

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 4Specifications (continued)MountingJ Panel, J rack, J pipestand, or J actuatorHaza

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 5Table 3. Maximum Allowable Process Pressure(1)BOURDON TUBE RATING MAXIMUM ALLOWAB

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 6Figure 3. Principle of Operation SchematicLOW SETPOINTPIVOTHIGH SETPOINTPIVOTFLAP

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 7SL represents the low set point and SH represents thehigh set point. The set rang

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 8Figure 5. Typical Connection SchematicsPROCESSOUTPUTSUPPLYPROCESSNO. 1OUTPUTSUPPL

4660 Pressure PilotD200051X012Product Bulletin34.5:4660January 2014 9Figure 6. Panel Mounting Dimensions39A1578-A18A3804-GB1589-3FIELD MOUNTINGPANEL M