ASME Section VIII Div 2

$639.00

2023 ASME Boiler and Pressure Vessel Code, Section VIII, Division 2: Alternative Rules

Published by ASME International, 07/01/2023

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Description

ASME Section VIII Division 2, 2023 Edition – Alternative Rules

Section VIII, Division 2 – This Division of Section VIII provides requirements applicable to the design, fabrication, inspection, testing, and certification of pressure vessels operating at either internal or external pressures exceeding 15 psig. Such vessels may be fired or unfired. This pressure may be obtained from an external source or by the application of heat from a direct or indirect source, or any combination thereof. These rules provide an alternative to the minimum requirements for pressure vessels under ASME Section VIII Division 1 rules. In comparison to Division 1, Division 2 requirements on materials, design, and nondestructive examination are more rigorous; however, higher design stress intensify values are permitted. Division 2 rules cover only vessels to be installed in a fixed location for a specific service where operation and maintenance control is retained during the useful life of the vessel by the user who prepares or causes to be prepared the design specifications. These rules may also apply to human occupancy pressure vessels typically in the diving industry. Rules pertaining to the use of the U2 and UV ASME Product Certification Marks are also included.

What are the key changes for 2023 BPVC Section VIII, Division 2 (ASME BPVC-VIII-2)?

  • Part 2 has been revised to remove Certifying Engineers for Class 2 Design-by-Rule (DBR) applications. This action will eliminate conflicts with international engineering registration requirements for the majority of applications.
  • Part 4.18 has been realigned and revised for consistency between the heat exchanger types. The shell and channel coefficients have been revised and are now based on the mean diameter instead of the inside diameter, which is consistent with PTB-7.
  • Paragraph 4.2.5.7, Category F, Locations, has been added in order to assign a common joint category to tube-to-tubesheet welds
  • Paragraph 5.4, Protection against failure from buckling, has been completely re-written and a new table of load cases, Table 5.8, has been added.
  • Paragraph 5.5.2.4 and Table 5.10 have been revised and now provide a quick-and-simple method to screen components in cyclic service, eliminating the need for a full-fatigue analysis
  • Revised the “PRT” designator to “PRT VIII-1” throughout Section VIII, Division 2.

General Product Information:

Document Type PDF
ISBN 978-0-7918-7583-4
Pages 884
Document Language English
Publisher American Society of Mechanical Engineers (ASME)
Status Current

Document History