Emerson CS400 Instruction Manual

CS400 SeriesD103120X012Instruction ManualForm 5833October 2014www.fisherregulators.comCS400 Series Commercial / Industrial Pressure Reducing Regulato

CS400 Series10Figure 7. Type CS404 Downstream Control Line ConnectionType CS404ET with Slam-Shut Module, External Pressure Registration, and Token Rel

CS400 Series11Downstream Control Line Installation with Integral Monitor Refer to Figure 6. When installing the Types CS403ET and CS403EN regulators,

CS400 Series12The range of allowable pressure settings is stamped on the nameplate. If the required setting is not within this range, substitute the c

CS400 Series131. Open valves downstream of the regulator.2. Slowly close the upstream shut-off valve.3. Inlet pressure will automatically be releas

CS400 Series14Change to a new part when reassembling the regulator. Coat the threads of the replacement orice with a good quality lubricant. (If the

CS400 Series15Key Description Part Number53 Pusher Post Pin, Stainless steel GE29761X01254 Roller Pin, Brass GE27060X01255* Diaphragm Head Asse

CS400 Series16L2L2L2L2L2L21955382037287225279551221014131118213662L160L1L165L1L19646578SS100Figure 8. CS400 Series Regulator AssembliesTORQUE:15 TO 30

CS400 Series1744575656515141474442415157L145434348435856545454575353535655A55A55A55B55B55BAAAFigure 8. CS400 Series Regulator Assemblies (continued)ER

CS400 Series18ERAA03738Figure 10. CS400 Series Registration OptionsINTERNAL REGISTRATIONEXTERNAL REGISTRATIONORIFICE AND TRUE-MONITORTM ASSEMBLYFigure

CS400 Series19GRAY CAST IRONDUCTILE IRON OR STEELFigure 11. CS400 Series Slam shut and Integral Monitor Modules (continued)Figure 12. Gray Cast Iron,

CS400 Series2!WARNINGFailure to follow these instructions or to properly install and maintain this equipment could result in an explosion 

CS400 Series©Emerson Process Management Regulator Technologies, Inc., 2008, 2014; All Rights ReservedThe Emerson logo is a trademark and service mark

CS400 Series3 See Table 1Body Sizes, End Connection Styles and Pressure Rating(1) See Table 4Maximum Inlet Pressures(1)Emerge

CS400 Series4TYPEOUTLET PRESSURE RANGEPART NUMBERSPRINGCOLORSPRING WIRE DIAMETER SPRING FREE LENGTHIn. w.c. mbar In. mm In. mmCS400, CS403 and CS4043.

CS400 Series5REGULATORSLAM-SHUT DEVICEOverpressure Shutoff (OPSO)TYPESetpoint Spring Range Factory Setpoint(1)Spring RangeSpring Part NumberIn. w.c. m

CS400 Series6Figure 3. Type CS403 Internally Registered Primary Regulator with Internally Registered Integral Monitor Operational SchematicFigure 4. T

CS400 Series7Principle of OperationType CS400 Base Regulator OperationRefer to Figure 2. When downstream demand decreases, the pressure under the diap

CS400 Series8Figure 5. CS400 Series Regulator Installed with the Vent Pointed Downward and with a Type 289H Relief Valve for High Capacity ReliefPROT

CS400 Series9CAUTIONThe CS400 Series regulators have an outlet pressure rating lower than their inlet pressure rating. If actual inlet pressure can ex