Emerson FISHER Yarway AT-13/23 Service Instructions Manual
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Emerson FISHER Yarway AT-13/23 Service Instructions Manual

Emerson FISHER Yarway AT-13/23 Service Instructions Manual

Quetemp standard and heavy duty
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Instruction Manual
D104421X012
Service Instructions for Yarway
AT-33/43 QueTemp
This instruction manual was prepared by Emerson.
Do not install, operate or maintain this product
without being fully trained and qualified in valve,
actuator and accessory installation, operation and
maintenance.
Installation
WARNING
Always wear protective gloves, clothing, and eyewear when performing any installation operations. Check with your
process or safety engineer for any other hazards that may be present from exposure to process media.
Personal injury or equipment damage caused by sudden release of pressure may result if the desuperheater is installed
where service conditions could exceed the limits given on the product nameplate. To avoid such injury or damage, provide
a relief valve for over‐pressure protection as required by government or accepted industry codes and good engineering
practices.
CAUTION
When ordered, the desuperheater configuration and construction materials were specified to meet particular pressure,
temperature, pressure drop, and fluid conditions. Do not apply any other conditions to the desuperheater without first
contacting your local Emerson sales office.
www.Fisher.com
Standard and Heavy Duty
™
To avoid personal injury or property damage it is
important to carefully read, understand, and follow all
of the contents of this manual, including all safety
cautions and warnings.
If you have any questions about these instructions,
contact your
Yarway QueTemp Desuperheaters
AT-13/23 and
™
Emerson sales office
before proceeding.
January 2019
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Summary of Contents for Emerson FISHER Yarway AT-13/23

  • Page 1 AT-33/43 QueTemp Standard and Heavy Duty ™ This instruction manual was prepared by Emerson. To avoid personal injury or property damage it is important to carefully read, understand, and follow all of the contents of this manual, including all safety Do not install, operate or maintain this product cautions and warnings.

  • Page 2: Maintenance

    Yarway and QueTemp are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.
  • Page 3 (see Figures 1 and 2). (acid cleaning of steam boilers) Remove Que - Temp Desuperheaters from the piping prior to acid cleaning! emerson.com/finalcontrol Vciom-03760-en 18/03 © 2017 emerson. all rights reserved.

  • Page 4: Parts List

    YarwaY Que - TeMp desuperheaTer sTandard-/heavy duTy InstallatIon and maIntenance InstructIons The minimum pipe run, required downstream The distance from the Que - Temp The temperature sensor should be located in of the Que - Temp desuperheater, varies desuperheater to the temperature sensor the upper half of the pipe, avoid branching of with each individual application and would be is nominally 12 to 15 meters, although the...
  • Page 5 YarwaY Que - TeMp desuperheaTer sTandard-/heavy duTy InstallatIon and maIntenance InstructIons maintenance spray cylinder FIgure 5 once removed, inspect the condition of the note: maintenance of the Que - Temp cylinder internally, using a flashlight. scratches and blemishes may be removed by either desuperheater is straight forward and does not require any special tools or training.
  • Page 6 YarwaY Que - TeMp desuperheaTer sTandard-/heavy duTy InstallatIon and maIntenance InstructIons Body extension: only for class 150 (pn 25/40) reassembly tack welding and class 300 (pn 64) (see figure 6) Before reassembling the valve, lubricate all after reassembly, the spray cylinder should examine the threading on the body extension, threads with a suitable high temperature be tack welded or circular welded for added dressing where necessary, with a small...

  • Page 7: Spare Parts

    YarwaY Que - TeMp desuperheaTer sTandard-/heavy duTy InstallatIon and maIntenance InstructIons spare parts Check the information contained on the identification plate - tag plate and Make sure that the identification number documentation and return the unit to its (indicated on the nameplate) is verified and packing with protective covers in place.
  • Page 8 YarwaY Que - TeMp desuperheaTer sTandard-/heavy duTy InstallatIon and maIntenance InstructIons taBle 1 - stanDarD materials FIgure 9 item name material equivalent 1 + 2∙ spray nozzle assembly aIsI 410 1.4006 5∙ Fastener ring sa182 F11 1.7335 Mounting part sa105 p250gh sa182 F11 1.7335...
  • Page 9 YarwaY Que - TeMp desuperheaTer sTandard-/heavy duTy InstallatIon and maIntenance InstructIons taBle 2 - moDel 13 / 23 - stanDarD materials FIgure 10 item name material equivalent 1 + 2 spray nozzle assembly aIsI 410** 1.4006** • Body sa182 F22 1.7383 sa182 F347h 1.4550...
  • Page 10 Co. emerson automation solutions, emerson and the emerson logo are trademarks and service marks of emerson electric Co.

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Fisher yarway at-33/43

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