ASME B16.4 Gray Iron Threaded Fittings Classes 125 and 250

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ASME B16.4 Document Information:

Title
Gray Iron Threaded Fittings Classes 125 and 250

ASME International

Publication Date:
Jan 1, 2006

Scope:

General

This Standard for gray iron threaded fittings, Classes 125 and 250, covers

(a) pressure–temperature ratings

(b) sizes and method of designating openings of reducing fittings

(c) marking

(d) material

(e) dimensions and tolerances

(f) threading

(g) coatings

Mandatory Appendix I provides table values in U.S. Customary units.

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