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AutoPIPE Wiki 29. While designing a AutoPIPE Vessel heat exchanger tubesheet flange, the "Use EN 13445 Annex G/EN 1591" option is greyed out, why?
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          • -Shell and Tube Heat Exchangers
            • 01. When choosing a 8" nominal shell size the O.D. is reflected as 8.78" O.D. (it should be 8.625").
            • 02. How to import Aspentech edr file into AutoPIPE Vessel?
            • 03. For a shell and tube exchanger with fixed tubesheets, the AutoPIPE Vessel is locked with the "Mechanical cleaning" option even if the option is unchecked?
            • 04. How to manage the baffle spacing of a heat exchanger in AutoPIPE Vessel?
            • 05. How to manage the number of Tubesheets in an AutoPIPE Vessel heat exchanger
            • 06. How to see the pass order number and how to change it in an AutoPIPE Vessel model?
            • 07. Model imported from HTRI suggest tubesheet has 360 tubes, however AutoPIPE Vessel suggest only 332, why?
            • 08. Number of Heat exchanger tubes and path are different in the AutoPIPE Vessel report, why?
            • 09. When changing the material on tubeside, focus of the model changes to a different location in an AutoPIPE Vessel model, why?
            • 10. Why are the ASME 2019 - appendix A-2 calculation for Tubesheet with tubes expanded + seal welded not performed?
            • 11. Why is tubesheet layout not full of tubes?
            • 12. How can I insert the shell connection on the head of a heat exchanger in AutoPIPE Vessel?
            • 13. How to connect two different shell radius (ex. dia #1 =4000 mm, dia #2 = 4220 mm) that have a 50 mm gap between them in AutoPIPE Vessel?
            • 14. How to model customized base plate of a Saddle support for Shell and Tube Heat Exchanger in AutoPIPE Vessel?
            • 15. Use TEMA Metric Bolt Root Area (TEMA Table D-5M) from section 9 in an AutoPIPE Vessel model.
            • 16. Where to input extra cladding thickness on tubesheets in AutoPIPE Vessel?
            • 17. How to Change the the corrosion allowance for clad bottom plate on a heart exchanger model in AutoPIPE Vessel?
            • 18. How do I design a stacked heat exchanger?
            • 19. How does AutoPIPE Vessel set the design conditions for tubesheet?
            • 20. How to define shell length in different types of Heat Exchanger in AutoPIPE Vessel
            • 21. Where do we mention Creep and Fatigue data on Heat exchanger ? We can see tick mark but how about magnitude ?
            • 22. Where do we mention MMT (Mean Metal Temp) in AutoPipe Vessel for Fix tube sheet Heat Exchanger?
            • 23. Heat Exchanger Geometry
            • 24. Heat Exchanger Pass Partition Plate Modification
            • 25. How to manage the baffle spacing of a heat exchanger?
            • 26. Does AutoPIPE Vessel automatically update the tubesheet design conditions when the heat exchanger design conditions are changed?
            • 27. How to use the Tube sheet Design Conditions dialog in AutoPIPE Vessel?
            • 28. What is the difference between tubesheet design condition and design case?
            • 29. While designing a AutoPIPE Vessel heat exchanger tubesheet flange, the "Use EN 13445 Annex G/EN 1591" option is greyed out, why?
            • 30. The definition of the characteristics of the gasket under the pass partition in a heat exchanger is not possible
            • 31. How to model and design heat exchanger with shell dimension based on nominal pipe size?
            • 32. How to specify shell ID instead of tube numbers in modeling the tube layout?
            • 33. How is shell length for heat exchanger determined in AutoPIPE Vessel?
            • 34. How can I input a specific bundle characteristics using AutoPIPE Vessel?
            • 35. How AutoPIPE Vessel calculates the shell length at the time of Heat Exchanger Design ?
            • 36. How is shell length interpreted in AutoPIPE Vessel?
            • 37. Is the corrosion allowance taken into account for the tubes in an ASME design?
            • 38. Why can't I choose a "Double Segmental" baffle type for a BFM heat exchanger which is a common design method for those?
            • 39. What settings to use for DIC and OTL on the harness tab in AutoPIPE Vessel?
            • 40. When deleting a nozzle the heat exchanger baffles are in explicably deleted together when using AutoPIPE Vessel, why?
            • 41. Why effective diameter formula is different in operating and hydrotest condition (tube side) compared to hydrotest condition shell side?
            • 42. Tube Bundle report is not aligned with bundle layout
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    29. While designing a AutoPIPE Vessel heat exchanger tubesheet flange, the "Use EN 13445 Annex G/EN 1591" option is greyed out, why?

    Answer:

    This is because there is nothing (no method) in Annex G about how to design the extended part of the tubesheet (as a flange).

    Consequently when a flange is associated to a tubesheet this option is disabled in AutoPIPE Vessel.

    • EN 13445 Annexure G
    • tubesheet flange
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    • Sudip Ganguly Created by Bentley Colleague Sudip Ganguly
    • When: Mon, Nov 16 2015 7:22 PM
    • JamieP Last revision by Bentley Colleague JamieP
    • When: Mon, Aug 24 2020 12:53 PM
    • Revisions: 3
    • Comments: 0
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