Emerson Fisher 92S Instruction Manual
  1. Manuals
  2. Brands
  3. Emerson Manuals
  4. Controller
  5. Fisher 92S
  6. Instruction manual

Emerson Fisher 92S Instruction Manual

Pilot-operated steam regulators
Hide thumbs Also See for Fisher 92S:
Table of Contents

Advertisement

Quick Links

Download this manual
Instruction Manual
D100637X012
January 2021
Type 92S Pilot-Operated Steam Regulators
▲
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 Emerson Process
Management Regulator Technologies,
Inc. 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 Pilot-Operated
Steam regulator.
Introduction
Scope of the Manual
This manual provides instruction for installation,
adjustment, maintenance and parts ordering
information for the Type 92S Pilot-Operated Steam
Regulator 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.
WARNING
W4086-3
1 NPT STEEL MAIN VALVE WITH TYPE 6492H OR 6492HT PILOT
W4088-1
NPS 3 / DN 80 FLANGED CAST IRON
MAIN VALVE WITH TYPE 6492L PILOT
Figure 1. Type 92S Pilot-Operated Steam Regulator
Type 92S

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Fisher 92S and is the answer not in the manual?

Questions and answers

Aaron P Bocz
May 14, 2025

Replacing Fisher Pilot Regulator, model 6492HT, with model 6492H. The output range of the 6492HT is 80 - 250 psi. The output range of the 6492H is 70 - 150 psi. The output maximum will increase from 250 psi on 6492HT to 300 psi on 6492H. The operating conditions are 175 psig steam supply regulated down to 95 psig steam. Will the 6492H work instead of the 6492HT to accomplish the demand?

0
1 comments:
Mr. Anderson
May 21, 2025

Yes, the Emerson 6492H can work as a replacement for the Fisher Pilot Regulator 6492HT under a 175 psig steam supply regulated down to 95 psig. Both pilots support outlet pressure ranges that include 95 psig, and both are rated for upstream pressures up to 250 psig or the valve body rating limit, whichever is lower.

This answer is automatically generated

0

Subscribe to Our Youtube Channel

Related Manuals for Emerson Fisher 92S

Summary of Contents for Emerson Fisher 92S

  • Page 1 Fisher™ regulators must be installed, operated and maintained in accordance with federal, state and local codes, rules and regulations and Emerson Process Management Regulator Technologies, Inc. instructions. W4086-3 1 NPT STEEL MAIN VALVE WITH TYPE 6492H OR 6492HT PILOT...

  • Page 2: Specifications

    Type 92S Specifications The Specifications section lists the specifications for the Type 92S regulator. Specifications for a given regulator as it originally comes from the factory are stamped on nameplates located on both the main valve body and pilot, while the pilot control spring range is displayed on the pilot spring case. Main Valve Body Sizes and End Connection Styles Pressure Registration External through downstream control line...
  • Page 3 Type 92S Table 2. Outlet (Control) Pressure Ranges OUTLET PRESSURE RANGES SPRING WIRE DIAMETER SPRING FREE LENGTH PILOT TYPE PART NUMBER COLOR CODE psig 2 to 6 0.14 to 0.41 1E395627022 Yellow 0.207 5.26 2.50 63.5 6492L 5 to 15 0.34 to 1.0 1D7455T0012 Green...
  • Page 4 Type 92S PILOT SPRING MAIN VALVE PISTONS PILOT VALVE PLUG MAIN VALVE SPRING PILOT INLET SCREEN Type 92S August 2007 Type 92S Self-Powered Control Valve MAIN VALVE PLUG A6552 NPS 1, 1-1/2 OR 2 / DN 25, 40 OR 50 BODY SIZE MAIN VALVE BODY AND TYPE 6492H OR 6492HT PILOT MAIN VALVE PLUG MAIN VALVE...
  • Page 5 Type 92S TYPE 6492H PILOT TYPE 6492H PILOT TYPE 92S MAIN VALVE TYPE 92S MAIN VALVE TYPE 6492HM SAFETY OVERRIDE PILOT E0402 NPS 1, 1-1/2 AND 2 / DN 25, 40 AND 50 BODY SIZES TYPE 92S PILOT-OPERATED PRESSURE REDUCING REGULATOR WITH SAFETY OVERRIDE PILOT TYPE 92S MAIN VALVE TYPE 92S MAIN VALVE TYPE 6492H PILOT...

  • Page 6: Principle Of Operation

    Type 92S Principle of Operation This pressure is sensed by the Type 6492HM or 6492HTM safety override pilot. As downstream Pilot supply pressure is piped from the main valve inlet pressure increases the safety override pilot closes, (Figure 2) to the pilot inlet connection. Downstream reducing loading pressure to the main valve, which pressure registers on the main valve pistons through the positions the main valve to maintain downstream...
  • Page 7 Type 92S BLEED RESTRICTION (REQUIRED ONLY IF THE LOADING REGULATOR DOES NOT HAVE INTERNAL RELIEF) CONTROL LINE AIR LOADING NEEDLE CONTROL LINE 6492 SERIES PILOT CONNECTION REGULATOR VALVE SHUTOFF VALVE 6492 SERIES PILOT CONTROL LINE CONNECTION STRAINER CONTROL LINE SHUTOFF VALVE BLOCK STRAINER VALVE...

  • Page 8: Bottom View

    Type 92S BLOCK VALVE TYPE 92S MAIN VALVE GAUGE GAUGE GAUGE BLOCK VALVE BLOCK VALVE TYPE 6492H PILOT TYPE 6492HM SAFETY E0662 TYPE 6492H PILOT OVERRIDE PILOT NPS 1, 1-1/2 AND 2 / DN 25, 40 AND 50 BODY SIZES SAFETY OVERRIDE PIPING SCHEMATICS TYPE 6492H PILOT TYPE 6492H PILOT TYPE 92S MAIN VALVE...
  • Page 9 Type 92S BLOCK VALVE TYPE 6492H PILOT TYPE 92S MAIN VALVE GAUGE GAUGE GAUGE BLOCK VALVE BLOCK VALVE TYPE 6492HM SAFETY OVERRIDE PILOT TYPE 6492H PILOT E0663 NPS 2-1/2, 3 AND 4 / DN 65, 80 AND 100 BODY SIZES SAFETY OVERRIDE PIPING SCHEMATICS Figure 3.

  • Page 10: Startup And Adjustment

    Type 92S • The pressure-loading device in conjunction with 4. Tighten the Type 6492H or 6492HT pilot of the control spring adjustment on a pressure- the upstream valve all the way in to its highest loaded pilot. In both cases, check these settings spring setting.

  • 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 10. Install the diaphragm gasket. Install both 4. For NPS 1, 1-1/2 and 2 / DN 25, 40 and 50 diaphragms with their raised preformed centers body sizes, lift off the cylinder spacer (key 21), and facing toward the spring case. remove the stem seal retainer (key 23) and stem seal (key 22) from the spacer.

  • Page 13: Parts Ordering

    Type 92S Parts Ordering For NPS 2-1/2, 3 and 4 / DN 65, 80 and 100 body sizes, install the plug spacer (key 33), baffle The type number, orifice size, spring range and date of (key 13), O-ring, washer, spring seat and piston manufacture are stamped on the nameplate.
  • Page 14 Type 92S Types 6492L, 6492H and 6492HT Types 6492HM and 6492HTM Safety Pilots (Figure 4) (continued) Override Pilots (Figure 4) Description Part Number Description Part Number Control Spring, Plated steel Pilot Valve Body (see Table 1 for outlet pressure ranges) Steel 22A0403X052 Yellow...
  • Page 15 Type 92S Types 6492HM and 6492HTM Safety Type 92S Main Valve (Figure 5) Override Pilots (Figure 4) (continued) Description Part Number Description Part Number Repair Kits (included are keys 8, 16, 18, 19, 25 and 38) Handwheel 1J496144012 NPS 1 / DN 25 body R92SX000052 Lock Washer for use with Handwheel, Alloy steel 1A352332992...
  • Page 16 Type 92S Type 92S Main Valve Description Part Number (Figure 5) (continued) Spring, Stainless steel NPS 1 / DN 25 body 16A7849X012 NPS 1-1/2 / DN 40 body 16A7911X012 Description Part Number NPS 2 / DN 50 body 16A7880X012 Cage NPS 2-1/2 / DN 65 body 17A1559X012 Cast iron...
  • Page 17 Type 92S Type 92S Main Valve Type 92S Main Valve (Figure 5) (continued) (Figure 5) (continued) Description Part Number Description Part Number Body Gasket Spring Seat For Cast iron and Steel bodies, Copper For Cast iron and Steel bodies, Steel NPS 1 / DN 25 body 14A6785X022 NPS 2-1/2 / DN 65 body...
  • Page 18 Type 92S 39A3514-B TYPE 6492H OR 6492HT PILOT 32A4712-A DETAIL OF TAPPED SPRING CASE WITH SEALED ADJUSTING SCREW APPLY LUBRICANT/SEALANT/ADHESIVE Figure 4. Pilot Assemblies Key 1, Body BODY SIZE, NPS / DN BODY CONNECTION MATERIAL 1 / 25 1-1/2 / 40 2 / 50 2-1/2 / 65 3 / 80...
  • Page 19 Type 92S 39A3515-B TYPE 6492L PILOT TYPE 6492HM PILOT 39B3357_A APPLY LUBRICANT/SEALANT/ADHESIVE Figure 4. Pilot Assemblies (continued)
  • Page 20 Type 92S 37A6565-B DETAIL OF NOISE ATTENUATION 36A7960-D NPS 1, 1-1/2 OR 2 / DN 25, 40 OR 50 BODY SIZE 37A1622-D APPLY LUBRICANT/SEALANT/ADHESIVE NPS 2-1/2, 3, 4 OR 6 X 4 / DN 65, 80, 100 OR 150 X 100 BODY SIZE Figure 5.
  • Page 21 Type 92S SUPPLY CONTROL LOADING 39A3519-C WITH PILOT MOUNTED IN STANDARD POSITION SO CONTROL LINE CONNECTION FACES DOWNSTREAM SUPPLY CONTROL LOADING 30B3840_A WITH PILOT MOUNTED IN OPTIONAL POSITION SO CONTROL LINE CONNECTION FACES UPSTREAM NPS 2-1/2, 3, 4 OR 6 X 4 / DN 65, 80 100 OR 150 X 100 BODY SIZE Figure 6.
  • Page 22 Type 92S 29A3518-B NPS 1, 1-1/2 OR 2 / DN 25, 40 OR 50 BODY SIZE TYPE 6492H CONTROL LINE CONNECTION TYPE 6492HM WARN CONTROL LINE CONNECTION 49B1169_A NPS 1, 1-1/2 AND 2 / DN 25, 40 AND 50 BODY SIZES WITH TYPE 6492HM PILOT MOUNTING PARTS Figure 6.
  • Page 23 Type 92S TYPE 6492HM CONTROL LINE CONNECTION CONTROL LINE CONNECTION WARNI 49B1170_A NPS 2-1/2, 3 AND 4 / DN 65, 80 AND 100 BODY SIZES WITH TYPE 6492HM PILOT MOUNTING PARTS Figure 6. Pilot Mounting Parts (continued)
  • Page 24 Technologies, Inc. All rights reserved. 01/21. Emerson Automation Solutions 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 International LLC, a business...

Table of Contents