AN INTERNATIONAL CODE 2021 ASME Boiler Pressure Vessel Code 2021 Edition July1 2021 IV RULES FOR CONSTRUCTION OF HEATING BOILERS ASME Boiler and Pressure Vessel Committee on Heating Boilers The American Society of AI2 @ Mechanical Engineers Two Park AvenueNew York NY10016USA Date of Issuance:July 1 2021 This 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 petent and concerned interests have had an opportunity to participate.The proposed code or standard was made available for public review and ment 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 r...
ASME BPVC IV-2021 ASME锅炉和压力容器规范 第Ⅳ章 采暖锅炉的制造规则.pdf
