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Scope

This Standard applies to new construction. It covers pressure-temperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast, forged, and fabricated flanged, threaded, and welding end and wafer or flangeless valves of steel, nickel-base alloys, and other alloys shown in Table 1. Wafer or flangeless valves, bolted or through-bolt types, that are installed between flanges or against a flange are treated as flanged-end valves. Alternative rules for NPS 2½ and smaller valves are given in Mandatory Appendix V.

Notes

Claudia's Notes:
ASME-B16.34 is part of ASME’s piping safety standards set.  The new 2013 Edition replaces the previous 2009 Edition (now obsolete).  FYI: ASME B16.34 also superseded the old MIL-V-18634.

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FSC Standardization Area FACR (Facilities Engineering and Design Requirements)

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