ASME BPVC.I-2015

SECTION I

2015

ASME Boiler and

Pressure Vessel Code

An International Code

Rules for Construction of Power Boilers

AN INTERNATIONAL CODE

2015 ASME Boiler & Pressure Vessel Code

2015 Edition July 1, 2015

AN INTERNATIONAL CODE

2015 ASME Boiler & Pressure Vessel Code

2015 Edition July 1, 2015

I

RULES FOR CONSTRUCTION

OF POWER BOILERS

ASME Boiler and Pressure Vessel Committee

on Power Boilers

Two Park Avenue • New York, NY • 10016 USA

Date of Issuance: July 1, 2015

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Library of Congress Catalog Card Number: 56-3934 Printed in the United States of America

Adopted by the Council of The American Society of Mechanical Engineers, 1914; latest edition 2015.

The American Society of Mechanical Engineers Two Park Avenue, New York, NY 10016-5990

Copyright © 2015 by

THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

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TABLE OF CONTENTS

List of Sections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv

Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii

Statement of Policy on the Use of the Certification Mark and Code Authorization in Advertising . . . . . . . . . . xix

Statement of Policy on the Use of ASME Marking to Identify Manufactured Items . . . . . . . . . . . . . . . . . . . . . . xix

Submittal of Technical Inquiries to the Boiler and Pressure Vessel Standards Committees . . . . . . . . . . . . . . . xx

Personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii

Preamble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxix

Summary of Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xli

List of Changes in Record Number Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xlvi Cross-Referencing and Stylistic Changes in the Boiler and Pressure Vessel Code . . . . . . . . . . . . . . . . . . . . . . . xlix