This Subsection contains requirements for materials, design, fabrication, examination, testing and overpressure protection of Class 1 components, parts, and appurtenances which are expected to function even when metal temperatures exceed those covered by the rules and stress limits of Subsection NB and Tables 2A, 2B, and 4 of Section II, Part D, Subpart 1.

This publication is issued with an automatic addenda service.  All addenda service publications are issued in loose leaf format to facilitate later insertion of replacement pages which incorporate the latest approved changes to the standard.  Purchasers may wish to purchase a binder from ASME (BPVC Binder), but the publication will also fit a standard three ring binder.  The addenda service includes all updates issued prior to publication of the next edition in July 2013.

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