Railway Preservation News

2013 Edition of the ASME Code
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Author:  Paul Boschan [ Fri Aug 16, 2013 12:37 pm ]
Post subject:  2013 Edition of the ASME Code

The 2013 Edition of the ASME Code is now being delivered, my employer received the company’s copies a couple days ago. Section I, Rules for Construction of Power Boilers has changes that will interest some in the locomotive restoration community including:

• A complete revision of Part PR, Requirements for Boilers Fabricated by Riveting

• Revision to paragraph PFT-27.11 and Figure PFT-27 including a clarification of the required distance from the tangent of a knuckle in a crown or side sheet to the first stay in the sheet

• Paragraph PFT-52, which required fusible plugs in the fireboxes of “hand fired” boilers, has been deleted

• Addition of Mandatory Appendix V, Additional Rules for Boilers Fabricated by Riveting which includes rules for riveted boilers that are not of the locomotive type

• Revision of Nonmandatory Appendices A-1 through A-6 which provide examples for calculating the efficiency of different types of rivet joints

• Addition of Nonmandatory Appendix A-75, Computations of Typical Nozzle Fittings Attached by Rivets which includes an example of how to calculate riveted nozzle attachments.

Part PR and Nonmandatory Appendices A-1 through A-6 were last included in the 1971 Edition of Section I. Riveted construction has always been a part of Section I. Code users applying riveted construction to their projects were required to use the rules from the 1971 edition, this is no longer the case.

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