Emerson Fisher ATST Desuperheater Скачать руководство пользователя | Manualshive

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Instruction Manual

D104734X012

ATST Desuperheater

July 2022

9

Figure 5. Fisher ATST Desuperheater

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Содержание Fisher ATST Desuperheater

Страница 1: ...nual including all safety cautions and warnings If you have any questions about these instructions contact your Emerson sales office before proceeding Description Water atomization and vaporization are key elements in any steam conditioning application The ATST design incorporates a manifold of patented nozzles to inject atomizing steam and spraywater into process steam These specialized nozzles p...

Страница 2: ... Inlet Pressures 1 Consistent with applicable pressure temperature ratings per ASME B16 34 Maximum Unit Cv for Spraywater Flow Contact your Emerson sales office Spraywater Pressure Required 2 3 5 to 35 bar 50 to 500 psi greater than steam line pressure Atomizing Steam Pressure Required Atomizing steam source pressure typically should be at least 2 times the pressure of the steam to be desuperheate...

Страница 3: ...provide a relief valve for over pressure protection as required by government or accepted industry codes and good engineering practices Check with your process or safety engineer for any additional measures that must be taken to protect against process media If installing into an existing application also refer to the WARNING at the beginning of the Maintenance section in this instruction manual W...

Страница 4: ...he piping 2 Arrange lifting slings or other lifting and rigging equipment appropriate for the desuperheater weight and configuration around the main steam pipe to safely lift the ATST to the pipe opening WARNING Do not expose the ATST to undue stresses by installing it in bent pipes or flanges Personal injury and equipment damage could result from flange sealing failure due to improper installatio...

Страница 5: ...ture and a temperature transmitter TT transmits the signal to the temperature control device The output signal from the controller is sent to the positioner on the cooling water spraywater control valve SWCV The positioner s output signal strokes the SWCV open increasing water pressure on the nozzles Increasing water pressure upstream of the nozzles increases water flow through the nozzles The ato...

Страница 6: ... erosion thermal fatigue and other damage Consult your local Emerson Service Center or Emerson Accredited Service Provider for a recommendation on necessary weld repair or replacement Nozzle Maintenance and Replacement When subjected to normal operating conditions it is possible that wear blockage and or fatigue will occur to the nozzle assembly During regularly scheduled maintenance visually insp...

Страница 7: ...e Alignment Pin Location GH01927 PIN 5 Reassemble in the following order nozzle gasket key 9 nozzle body flange gasket key 8 spray nozzle key 10 second nozzle gasket key 9 nozzle alignment pin key 3 nozzle body flange assembly key 7 washers key 4 and stud nuts key 6 Ensure the nozzle is installed such that the flow arrow is aligned with the direction of process steam flow It is recommended that an...

Страница 8: ...t supplied by Emerson should not under any circumstances be used in any Fisher desuperheater because they may void your warranty might adversely affect the performance of the desuperheater and could cause personal injury and property damage Parts List Note Contact your Emerson sales office for Part Ordering information Key Description 1 Steam Pipe 2 Nozzle Body 3 Nozzle Alignment Pin 4 Nozzle Body...

Страница 9: ...Instruction Manual D104734X012 ATST Desuperheater July 2022 9 Figure 5 Fisher ATST Desuperheater FLOW ...

Страница 10: ...Instruction Manual D104734X012 ATST Desuperheater July 2022 10 Figure 6 Fisher ATST Desuperheater Alternate View ...

Страница 11: ...Instruction Manual D104734X012 ATST Desuperheater July 2022 11 ...

Страница 12: ...s which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice E 2022 Fisher Controls International LLC All rights reserved Fisher is a mark 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 tradem...

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