Table of Contents
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Instruction Manual
Form 5836
March 2010
CSB400 Series Commercial / Industrial
Pressure Reducing Regulators
WaRnIng
!
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion
and/or fire causing property damage and
personal injury or death.
Fisher
regulators must be installed,
®
operated, and maintained in accordance
with federal, state, and local codes,
rules and regulations, and Emerson
TYPICaL CSB403 REgULaTOR WITH
InTEgRaL TRUE-MOnITOR™ REgULaTOR
Figure 1. Typical CSB400 Pressure Reducing Regulators
Patents Pending
www.fisherregulators.com
TYPICaL CSB400 REgULaTOR
Process Management Regulator
Technologies, Inc. (Regulator
Technologies) instructions.
If the regulator vents gas or a leak
develops in the system, service to
the unit may be required. Failure
to correct trouble could result in a
hazardous condition.
Call a gas service person to service
the unit. Only a qualified person must
install or service the regulator.
CSB400 Series
TYPICaL CSB404 REgULaTOR WITH
InTEgRaL TYPE VSX4 SLaM-SHUT MODULE
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Table of Contents
Related Manuals for Emerson CSB400 Series
Summary of Contents for Emerson CSB400 Series
- Page 1 CSB400 Series Instruction Manual Form 5836 March 2010 CSB400 Series Commercial / Industrial Pressure Reducing Regulators TYPICaL CSB400 REgULaTOR TYPICaL CSB404 REgULaTOR WITH TYPICaL CSB403 REgULaTOR WITH InTEgRaL TYPE VSX4 SLaM-SHUT MODULE InTEgRaL TRUE-MOnITOR™ REgULaTOR Figure 1. Typical CSB400 Pressure Reducing Regulators...
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Page 2: Specifications
Additional overpressure protection options include CSB400 Series Regulators. The following information is Types CSB403 and CSB423, which offer True- stamped on the nameplate of CSB400 Series: Type and Monitor™ protection provided by an integral monitor Class, Maximum Outlet Pressure, and Spring Range. - Page 3 CSB400 Series Specifications available Configurations Operating Temperature (TS) (1)(2)(3) See Figure 2 according to PED Standards: -20° to 60°C (-4° to 140°F) Regulator Type: Differential Strength (DS) non-PED: accuracy Class: AC 5/10 -30° to 66°C (-20° to 150°F) Lockup Class: Up to SG10...
- Page 4 CSB400 Series Table 2. Integral Strength (IS) Pressure Ratings MaXIMUM aLLOWaBLE PRESSURE / MaXIMUM MaXIMUM OPERaTIng InLET PRESSURE EMERgEnCY InLET PRESSURE TYPES Pumax psig psig CSB400, CSB404 CSB420, CSB424 CSB450, CSB454 CSB410, CSB414 CSB430, CSB434 CSB403, CSB423 1. For the integral strength (IS) version, the maximum value of PS and Pumax should be similar to the PSD used for the differential (DS) version.
- Page 5 Wdso Wdsu InTEgRaL MOnITOR naMEPLaTE MAX EMER MAX OP OP range UP range Figure 3. CSB400 Series Regulator, Slamshut, and Integral Monitor Nameplates and Labels Table 5. CSB400 Series Primary Regulator Outlet Pressure Ranges SPRIng WIRE SPRIng FREE SPRIng DIaMETER...
- Page 6 CSB400 Series Table 7. Regulator and Slam-shut OPSO and UPSO Pressure Ranges REgULaTOR SLaM-SHUT MODULE UnDERPRESSURE OVERPRESSURE SHUTOFF (OPSO) SHUTOFF (UPSO) aVaILaBLE Minimum TOKEn RELIEF TOKEn Required UPSO Set SET PRESSURE STanDaRD RangE SHOWn Standard OPSO Set Standard RELIEF Difference...
- Page 7 Rp x GAZ 1-1/2 PN 16 Slip-On 1. MaXIMUM SPRIng REMOVaL CLEaRanCE FOR BOTH THE PRIMaRY REgULaTOR anD InTEgRaL MOnITOR IS 158 mm (6.2-inches). 2. MaXIMUM SPRIng REMOVaL CLEaRanCE FOR THE SLaMSHUT IS 80 mm (3.1-inches). Figure 4. CSB400 Series Dimensions...
- Page 8 CSB400 Series REgULaTOR aDjUSTIng SCREW REgULaTOR COnTROL SPRIng REgULaTOR ORIFICE May 2008 TOKEn RELIEF SPRIng Type CSB400EN Regulator without Relief REgULaTOR DISK PUSHER POST EXTERnaL COnTROL LInE (SEnSE LInE) LEVER BaLanCED PORT aSSEMBLY M1143 VaLVE STEM InLET PRESSURE Type CSB403...
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Page 9: Principle Of Operation
CSB400 Series OPSO aDjUSTIng SCREW REgULaTOR aDjUSTIng SCREW UPSO aDjUSTIng SCREW REgULaTOR COnTROL SPRIng OPSO SET SPRIng TOKEn RELIEF UPSO SPRIng SPRIng VEnT SEnSE BLOCKIng SLaM-SHUT SCREW ORIFICE RESET KnOB SLaM-SHUT DISK VaLVE STEM EXTERnaL COnTROL LEVER LInE (SEnSE LInE) -
Page 10: Installation And Overpressure Protection
2 TYPE 289H RELIEF VaLVE REgULaTOR VEnT POInTED DOWnWaRD Figure 8. CSB400 Series Regulator Installed with the Vent Pointed Downward and with a Type 289H Relief Valve for High Capacity Relief Type CSB404 Slam-shut Operation Installation and Overpressure Protection... -
Page 11: General Installation Instructions
• When designing a pressure reducing station using a protection should be provided to the CSB regulator, make an analysis if it is necessary CSB400 Series if inlet pressure will be to take into account the effects of wind, snow, and high enough to damage downstream temperature to avoid unnecessary load and equipment. - Page 12 CSB400 Series Type CSB400ET with External Pressure Registra Regulators Subjected to Heavy • Do not install the regulator in a location where Token Relief Wide-Open Upstream Monitor Regu there can be excessive water accumulation or Snow Conditions ice formation, such as directly beneath a downspout, gutter, or roof line of building.
- Page 13 CSB400 Series PRIMaRY REgULaTOR DOWnSTREaM UPSTREaM BLOCK VaLVE BLOCK VaLVE MInIMUM OF 4 X OUTLET PIPIng DIaMETER M1062 InLET PRESSURE OUTLET PRESSURE aTMOSPHERIC PRESSURE InTEgRaL MOnITOR Figure 10. Type CSB403 Downstream Control Line Installation PRIMaRY REgULaTOR DOWnSTREaM UPSTREaM BLOCK VaLVE...
- Page 14 Downstream Control Line Installation with pressure registration is required. Slamshut CSB400 Series regulators with an “ET” or “EN” in the Refer to Figure 11. When installing the Types CS404ET, type number use external pressure registration. To CS404EN, CSB424ET, CSB424EN, and CSB454EN...
- Page 15 3. Replace the closing cap. CSB400 Series outlet pressure ranges are shown in For Type CSB450 Table 5. Outlet pressure higher than 0,35 bar (5 psig) above the setpoint may damage internal parts such as 1.
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Page 16: Maintenance And Inspection
(key 55) and pusher post (key 50). Periodic inspection must be performed 6. Reassemble the spring case (key 1) unit in the on the CSB400 Series that include reverse order of the above steps. Before tightening the Integral Monitor or slam-shut... -
Page 17: Parts Ordering
CSB400 Series lower casing (key 9), being sure that the pusher post 9. Reassemble the regulator in reverse order of the (key 50) is hooked on the lever (key 10). Rotate the above steps. diaphragm (key 55A) so that the diaphragm and Regulator Reassembly lower casing (key 9) holes are aligned. - Page 18 (15 TO 30 InCH-POUnDS) TORQUE: 13 TO 18 n•m (10 TO 13 FOOT-POUnDS) TORQUE: 13 TO 18 n•m (10 TO 13 FOOT-POUnDS) TORQUE: 5,7 TO 7,9 n•m aPPLY LUBRICanT/SEaLanT/aDHESIVE (50 TO 70 InCH-POUnDS) GE27692 Figure 12. CSB400 Series Regulator Assembly...
- Page 19 CSB400 Series Description Part number Description Part number 19* O-ring, Nitrile (NBR) (2 required) 1K594906562 Restrictor Plate, Steel Stem Guide, Aluminum GE26027X012 Token GE28948X012 Retaining Ring, Steel GE29720X012 21* O-ring, Nitrile (NBR) GE45216X012 Pusher Post, Zinc-plated steel GE27794X012 Pipe plug, 3/4 NPT, Steel...
- Page 20 (50 TO 70 InCH-POUnDS) LOW-PRESSURE TOKEn RELIEF TORQUE: 6 TO 8 n•m (50 TO 70 InCH-POUnDS) HIgH-PRESSURE nOn-RELIEF TORQUE: 6 TO 8 n•m (50 TO 70 InCH-POUnDS) LOW-PRESSURE nOn-RELIEF aPPLY LUBRICanT/SEaLanT/aDHESIVE GE27692 Figure 13. CSB400 Series Diaphragm and Relief Assemblies...
- Page 21 GE27692 Figure 14. Balance Trim Assemblies TORQUE: 1,7 TO 3,4 n•m (15 TO 30 InCH-POUnDS) InSTaLL In “B” HOLES (THROUgH HOLES) HOLES “B” InTERnaL OR DUaL REgISTRaTIOn (nO SCREWS) EXTERnaL REgISTRaTIOn aPPLY LUBRICanT/SEaLanT/aDHESIVE GE27692 Figure 15. CSB400 Series Stem Guides...
- Page 22 DUCTILE / STEEL BODY gaZ BODY aPPLY LUBRICanT/SEaLanT/aDHESIVE WHEn SPECIFIED Figure 16. Standard Body Assembly and Rp 1 x 2-1/4 GAZ Body Assembly CSB400 / CSB420 SERIES STanDaRD CSB450 SERIES aPPLY LUBRICanT/SEaLanT/aDHESIVE GE27692 Figure 17. CSB400 Series Control Spring Adjustment Assemblies...
- Page 23 (35 TO 45 FOOT-POUnDS) TORQUE: 47 TO 61 n•m (35 TO 45 FOOT-POUnDS) TORQUE: 14 TO 18 n•m (10 TO 13 FOOT-POUnDS) SLaM-SHUT aSSEMBLY ORIFICE anD SLaM-SHUT aSSEMBLY aPPLY LUBRICanT/SEaLanT/aDHESIVE GE27692 Figure 18. CSB400 Series Slamshut and Integral Monitor Modules...
- Page 24 The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher is a mark owned by Fisher Controls, Inc., a business of Emerson Process Management.