ASME B16.4 : 2016

ASME B16.4 : 2016

GRAY IRON THREADED FITTINGS: CLASSES 125 AND 250

American Society of Mechanical Engineers

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Table of Contents

Foreword
Committee Roster
Correspondence With the B16 Committee
Summary of Changes
List of Changes in Record Number Order
1 Scope
2 General
3 Pressure-Temperature Ratings
4 Size
5 Marking
6 Material
7 Dimensions and Tolerances
8 Threading
9 Ribs
10 Plugs, Bushings, and Locknuts
11 Face Bevel
12 Coatings
Mandatory Appendices
I - Dimensions of Fittings in U.S. Customary Units
II - References
Nonmandatory Appendix
A - Quality System Program

Abstract

Describes: (a) pressure-temperature ratings; (b) sizes and method of designating openings of reducing fittings; (c) marking; (d) material; (e) dimensions and tolerances; (f) threading; and (g) coatings.

Scope

This Standard for gray iron threaded fittings,Classes 125 and 250, covers(a) pressure–temperature ratings(b) sizes and method of designating openings ofreducing fittings(c) marking(d) material(e) dimensions and tolerances(f) threading(g) coatingsMandatory Appendix I provides table values inU.S. Customary units.

General Product Information

Document Type Standard
Status Current
Publisher American Society of Mechanical Engineers

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