VALVES-FLANGED,THREADED,AND WELDING END

基础信息

标准简介

ASME B16.34-2004 VALVES -FLANGED,THREADED,AND WELDING END1 sCOPE1.1 GeneralThis Standard applies to new construction and coverspressure-temperature ratings, dimensions, tolerances,materials, nondestructive examination requirements,testing, and marking for cast, forged,and fabricatedflanged, threaded, and welding end and wafer orflangeless valves of steel,nickel-base alloys, and otheralloys shown in Table 1. Wafer or flangeless valves,bolted or through-bolt types, that are installed betweenflanges or against a flange are treated as flanged-endvalves. Alternative rules for NPS 21/ and smaller valvesare given in Mandatory Appendix V.1.2 Applicability1.2.1 Standards and Specifications.Standards andspecifications adopted by reference in this Standard andthe names and addresses of the sponsoring organiza-tions are shown in Mandatory Appendix VIII. It is notconsidered practical to refer to a specific edition of eachof the standards and specifications in the individualclause references.Instead, the specific edition referencesare included in Mandatory Appendix VII.A productmade in conformance with a prior edition of referencestandards and in all other respects conforming to thisStandard sha

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