2025 ASME BPVC, Section I: Rules for Construction of Power Boilers
ASME BPVC Section I covers rules for construction of power boilers, 1 electric boilers, 2 miniature boilers, 3 high-temperature water boilers, 4 heat recovery steam generators, 5 solar receiver steam generators, 6 certain fired pressure vessels, 7 and liquid phase thermal fluid heaters8 to be used in stationary service and includes those power boilers used in locomotive, portable, and traction service. Reference to a paragraph includes all the subparagraphs and subdivisions under that paragraph.
The Code does not contain rules to cover all details of design and construction. Where complete details are not given, it is intended that the manufacturer, subject to the acceptance of the Authorized Inspector, shall provide details of design and construction which will be as safe as otherwise provided by the rules in the Code.
The scope of jurisdiction of ASME Section I applies to the boiler proper and to the boiler external piping. Superheaters, economizers, and other pressure parts connected directly to the boiler without intervening valves shall be considered as parts of the boiler proper, and their construction shall conform to Section I rules.
ASME Code Certification (including Data Forms and stamping the Certification Mark9 with appropriate Designator10), and/or inspection by the Authorized Inspector, when required by this Code, is required for the boiler proper and the boiler external piping.
Construction rules for materials, design, fabrication, installation, and testing of the boiler external piping are contained in ASME B31.1, Power Piping. Piping beyond the valve or valves required by Section I is not within the scope of ASME Section I.
Product Details
Revision: 2025 Edition
Published Date: July 1, 2025
Status: Active, Most Current
Document Language: English
Published By: ASME International (ASME)
Page Count: 453
ANSI Approved: Yes
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