Emerson FISHER 92S Instruction Manual

Emerson FISHER 92S Instruction Manual

Steam regulators
Hide thumbs Also See for FISHER 92S:

Advertisement

Instruction Manual
Form 5234
November 2008
Type 92S Steam Regulators
WaRning
!
Failure to follow these instructions or
to properly install and maintain this
equipment could result in an explosion,
fire and/or chemical contamination
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 Fisher 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.
installation, operation, and maintenance
procedures performed by unqualified
personnel may result in improper
adjustment and unsafe operation. Either
condition may result in equipment
damage or personal injury. Use qualified
personnel when installing, operating,
and maintaining the Type 92S regulator.
introduction
Scope of Manual
This instruction manual provides installation,
maintenance, and parts ordering information for
the Type 92S steam self-powered control valve
complete with Type 6492L, 6492H, or 6492HT pilot.
The Type 92S is also available with a Type 6492HM
(or 6492HTM) safety override pilot. Accessories
used with this valve, including any pressure-loading
device for a Type 6492L,6492H, 6492HT, 6492HM, or
6492HTM pilot with tapped spring case, are covered in
other manuals.
W4086-3
Figure 1. Type 92S Pressure-Reducing Steam Regulators
www.emersonprocess.com/regulators
1-inCH nPT STEEL Main VaLVE WiTH
TYPE 6492H OR 6492HT PiLOT
W4088-1
3-inCH (Dn 80) FLangED CaST iROn Main VaLVE
WiTH TYPE 6492L PiLOT
Type 92S

Advertisement

Table of Contents
loading

Summary of Contents for Emerson FISHER 92S

  • Page 1 Type 92S Instruction Manual Form 5234 November 2008 Type 92S Steam Regulators WaRning Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion, fire and/or chemical contamination causing property damage and personal injury or death.
  • Page 2: Specifications

    Type 92S Specifications Main Valve Body Sizes and End Connection Styles Pressure Registration External through downstream control line EnD COnnECTiOn STYLES anD RaTingS BODY SiZE, Maximum Material Temperature Capabilities Steel or Stainless inCHES (Dn) Cast iron Body Cast iron Construction: 406°F (208°C) steel Body Steel Construction: 500°F (260°C) 1, 1-1/2, and 2...
  • Page 3: Principle Of Operation

    Type 92S Description When increased downstream demand lowers the downstream pressure to a valve below the setting of the The Type 92S pressure-reducing regulator for steam pilot control spring, this spring forces the pilot valve plug service includes either a Type 6492H, 6492HT, or open to increase the loading pressure on the main valve 6492L pilot (Figure 1).
  • Page 4 Type 92S Table 1. Outlet (Control) Pressure Ranges SPRing WiRE DiaMETER SPRing FREE LEngTH OUTLET PRESSURE PiLOT TYPE PaRT nUMBER COLOR CODE RangES, PSig (bar) inches inches 2 to 6 (0,14 to 0,41) 1E395627022 Yellow 0.207 5,26 2.50 63,5 6492L 5 to 15 (0,35 to 1,03) 1D7455T0012 Green...
  • Page 5 Type 92S TYPE 92S Main VaLVE TYPE 92S Main VaLVE TYPE 6492H PiLOT TYPE 6492H PiLOT TOP ViEW TYPE 6492H PiLOT TYPE 6492H PiLOT TYPE 92S Main VaLVE TYPE 92S Main VaLVE TYPE 6492HM SaFETY OVERRiDE PiLOT SiDE ViEW BLOCK VaLVE TYPE 92S Main VaLVE gaUgE gaUgE...
  • Page 6 Type 92S TYPE 6492H PiLOT TYPE 6492H PiLOT TYPE 92S Main VaLVE TYPE 92S Main VaLVE BOTTOM ViEW TYPE 6492HM SaFETY TYPE 6492H PiLOT OVERRiDE PiLOT TYPE 92S Main VaLVE TYPE 92S Main VaLVE TYPE 6492H PiLOT SiDE ViEW BLOCK VaLVE TYPE 6492H PiLOT TYPE 92S Main VaLVE gaUgE...
  • Page 7 Type 92S Type 92S August 2007 Type 92S Self-Powered Control Valve PiLOT SPRing Main VaLVE PiLOT VaLVE PiSTOnS PLUg Main VaLVE SPRing Type 92S August 2007 Type 92S Self-Powered Control Valve Main VaLVE 36A7840-A PLUg B1906 inLET PRESSURE OUTLET PRESSURE Type 92S aTMOSPHERiC PRESSURE September 2006...
  • Page 8 Type 92S TYPE 6492H PiLOT TYPE 6492H PiLOT TYPE 92S Main VaLVE TYPE 92S Main VaLVE TYPE 6492HM SaFETY OVERRiDE PiLOT E0402 inLET PRESSURE OUTLET PRESSURE aTMOSPHERiC PRESSURE LOaDing PRESSURE inTERMEDiaTE PRESSURE 1, 1 1/2, anD 2-inCH (Dn 25, 40, and 50) TYPE 92S SELF-POWERED COnTROL VaLVE WiTH SaFETY OVERRiDE PiLOT OPERaTiOnaL SCHEMaTiC TYPE 92S Main VaLVE TYPE 92S Main VaLVE TYPE 6492H PiLOT...
  • Page 9: Installation

    Type 92S In the event that the upstream valve fails, the matches the direction of the arrow on the main valve downstream regulator will prevent downstream body. However, the regulator should not be installed pressure from rising above safe operating levels. in a tall, vertical pipeline where condensate could collect and create a pressure head affecting It is recommended to install some type of warning...
  • Page 10: Startup And Adjustment

    Type 92S 12. The pressure setting of the regulator is 3. Tighten the Type 6492HM (or 6492HTM) safety determined by: override pilot of the upstream valve all the way in to its highest spring setting. • The pilot control spring adjustment on a standard pilot, or 4.
  • Page 11: Maintenance

    Type 92S Startup with Existing Regulator note installation after normal Shutdown Before performing any maintenance, loosen the hex nut (key 16), if used, 1. Open the upstream and downstream block valves and turn the adjusting screw (key 15) or and let the regulator take over control at the handwheel (key 38) counterclockwise existing pilot control spring setting.
  • Page 12 Type 92S 9. Unscrew the bellows retainer (key 8) and remove 3. For the 1, 1-1/2, and 2-inch sizes (DN 25, 40, the bellows (key 9). Replace worn parts as and 50), remove the top cylinder (key 17), and necessary, and install the bellows and bellows pull out the top piston with attached stem retainer.
  • Page 13: Parts Ordering

    Type 92S only), and the plug spacer (key 33, 2-inch (key 20) on the top piston. Secure these parts with (Dn 50) size only) where appropriate in the lockwasher and hex nut (keys 40 and 41). the following step. Install the top piston plus attached parts stem-first through the stem seal until the top stem contacts 4.
  • Page 14 Type 92S 32A4712-A A3505-1 39A3514-B DETaiL OF TaPPED SPRing CaSE WiTH SEaLED COMPLETE TYPE 6492H OR 6492HT PiLOT aDJUSTing SCREW 39A3515-B COMPLETE TYPE 6492L PiLOT Figure 4. Pilot Assemblies...
  • Page 15 Type 92S E0660 TYPE 6492HM PiLOT Figure 4. Pilot Assemblies (continued) Types 6492L, 6492H, and 6492HT Pilots (Figure 4) (continued) Description Part number Description Part number Orifice, Stainless steel Spring Case For Cast iron and Steel bodies 1H564446172 Standard Cast iron For Stainless steel body 1H5644X0012 Type 6492L pilot...
  • Page 16 Type 92S Types 6492L, 6492H, and 6492HT Pilots (Figure 4) (continued) Description Part number Description Part number Upper Spring Seat Cap Screw, Steel, Plate (continued) Type 6492HM, Zinc-plated steel 1D667125072 Type 6492H Type 6492HTM, Carbon-plated steel 14B9951X012 Cast iron and Steel bodies 1A381624052 1A3816X0152 Spring Case...
  • Page 17 Type 92S 37A6565-B DETaiL OF WHiSPER TRiM ® nOiSE aTTEnUaTOR 36A7960-D 1, 1-1/2, OR 2-inCH (Dn 25, 40 OR 50) BODY SiZE 37A1622-D 2-1/2, 3, 4, OR 6 X 4-inCH (Dn 65, 80, 100) BODY SiZE Figure 5. Type 92S Main Valve Assemblies...
  • Page 18 Type 92S Types 6492HM and 6492HTM Safety Pilot Mounting Parts (Figure 6) (continued) Description Part number Description Part number Body Flange Elbow (2 required) Cast iron Steel 15A6002XW32 1-inch (DN 25) body 26A7837X012 Stainless Steel 15A6002X612 1-1/2 inch (DN 40) body 26A7900X012 Pipe Elbow for stainless steel (2 required) 1B8608X0012...
  • Page 19 Type 92S SUPPLY COnTROL LOaDing 39A3519-C WiTH PiLOT MOUnTED in STanDaRD POSiTiOn SO COnTROL LinE COnnECTiOn FaCES DOWnSTREaM SUPPLY COnTROL LOaDing 30B3840 WiTH PiLOT MOUnTED in OPTiOnaL POSiTiOn SO COnTROL LinE COnnECTiOn FaCES UPSTREaM 2-1/2, 3, 4, OR 6 X 4-inCH (Dn 65, 80, or 100) BODY SiZE Figure 6.
  • Page 20 Type 92S 29A3518-B 1, 1-1/2, OR 2-inCH (Dn 25, 40, or 50) BODY SiZE TYPE 6492H COnTROL LinE COnnECTiOn TYPE 6492HM WARN COnTROL LinE COnnECTiOn E0666 1, 1-1/2, anD 2-inCH (Dn 25, 40, and 50) WiTH TYPE 6492HM PiLOT MOUnTing PaRTS Figure 6.
  • Page 21 Type 92S TYPE 6492HM WARNI COnTROL LinE COnnECTiOn COnTROL LinE COnnECTiOn E0667 2-1/2, 3, anD 4-inCH (Dn 65, 80, and 100) WiTH TYPE 6492HM PiLOT MOUnTing PaRTS Figure 6. Pilot Mounting Parts (continued) Type 92S Main Valve (Figure 5) (continued) Description Part number Description...
  • Page 22 Type 92S Type 92S Main Valve (Figure 5) (continued) Description Part number Description Part number Lower Stem, Zinc-plated steel (continued) Cylinder, Stainless steel (continued) For Stainless steel body, For Stainless steel body, SST 1-inch (DN 25) body 16A7846X022 1-inch body (DN 25) (2 required) 16A7853X022 1-1/2 inch (DN 40) body 16A7908X022...
  • Page 23 Type 92S Type 92S Main Valve (Figure 5) (continued) Description Part number Description Part number Piston, Stainless steel (continued) Washer, For Stainless steel body, Stainless steel For Cast iron and Steel bodies, Steel 1-inch (DN 25) body (2 required) 19A6005X022 2-1/2 or 3-inch (DN 65 or 80) body 17A1569X012 1-1/2 inch (DN 40) body (2 required)
  • Page 24 For further information visit www.emersonprocess.com/regulators 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.

Table of Contents