BPVC_2021_Section_X.pdf

ASME BPVC.X-2021Fiber-Reinforced Plastic Pressure VesselsSECTION X2021ASME Boiler andPressure Vessel CodeAn International CodeMarkings such as“ASME,”“ASME Standard,”or any other marking including“ASME,”ASME logos,or the ASME Single Cerficaon Mark shall not be used on any item that is not constructed in accordance with all of the applicable requirements of the Code or Standard.Use of of the ASME Single Cerficaon Mark requires formal ASME cerficaon;if no cerficaon program is available,such ASME markings may not be used.(For Cerficaon and Accreditaon Programs,see hps:/www.asme.org/cerficaon-accreditaon.)Items produced by pares not formally possessing an ASME Cerficate may not be described,either explicitly or implicitly,as ASME cerfied or approved in any code forms or other document.XFIBER-REINFORCED PLASTICPRESSURE VESSELSASME Boiler and Pressure Vessel Committeeon Fiber-Reinforced Plastic Pressure VesselsTwo Park Avenue New York,NY 10016 USAAN INTERNATIONAL CODE2021 ASME Boiler&Pressure Vessel CodeJuly 1,20212021 EditionDate of Issuance:July 1,2021This international code or standard was developed under procedures accredited as meeting the criteria for American National Standards and it is an American National Standard.The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate.The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“certify,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent,nor assume any such liability.Users of a code or standard are expressly advised that determination of the validity of any such patent rights,and the risk of infringement of such rights,is entirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the estab-lished ASME procedures and policies,which precludes the issuance of interpretations by individuals.The endnotes and preamble in this document(if any)are part of this American National Standard.ASME Collective Membership MarkASME Single Certification MarkASME and the above ASME symbols are registered trademarks of The American Society of Mechanical Engineers.No part of this document may be reproduced in any form,in an electronicretrieval system or otherwise,without the prior written permission of thepublisher.Library of Congress Catalog Card Number:56-3934Printed in the United States of AmericaAdopted by the Council of The American Society of Mechanical Engineers,1914;latest edition 2021.The American Society of Mechanical EngineersTwo Park Avenue,New York,NY 10016-5990Copyright 2021 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedTABLE OF CONTENTSList of Sections.xivForeword.xviStatement of Policy on the Use of the ASME Single Certification Mark and Code Authorization in AdvertisingxviiiStatement of Policy on the Use of ASME Marking to Identify Manufactured Items.xviiiSubmittal of Technical Inquiries to the Boiler and Pressure Vessel Standards Committees.xixPersonnel.xxiiIntroduction.xliiiSummary of Changes.xlviiList of Changes in Record Number Order.xlixCross-Referencing and Stylistic Changes in the Boiler and Pressure Vessel Code.lPART RGGENERAL REQUIREMENTS.1Article RG-1Scope and Jurisdiction.1RG-100Scope.1RG-110Application Limitations.1RG-120Jurisdiction of Section X.2Article RG-2Organization.3RG-200Organization of This Section.3Article RG-3Responsibilities and Duties.4RG-300Responsibilities and Duties.4RG-310Users Responsibilities Design Specification.4RG-320Fabricators Responsibilities.4RG-330Inspectors Duties.6Article RG-4Fabrication Methods.7RG-400Fabrication Methods.7PART RMMATERIAL REQUIREMENTS.8Article RM-1General Requirements.8RM-100Laminate Materials.8RM-110Fiber System.8RM-120Resin System.8RM-140Use of Two or More Materials Specifications or Processes in Fabricating aClass I Vessel.10RM-150Mechanical Properties of Lamina for Class II Vessels.10Article RM-2Miscellaneous Pressure Parts.11RM-200General Requirements.11RM-210Miscellaneous Metallic Parts.11PART RDDESIGN REQUIREMENTS.12Article RD-1General.12iiiRD-100Scope.12RD-110Definitions.12RD-120Loadings.13RD-130Design Restrictions.14RD-140Design Allowances for Degradation.14RD-150Methods of Fabrication in Combination.14RD-160Proof of Design Adequacy.14Article RD-2Shells of