ASME B16.22 2021

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ASME B16.22 – 2021 – Wrought Copper and Copper Alloy Solder-Joint Pressure Fittings

Published By	Publication Date	Number of Pages
ASME	2021	28

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Description

This Standard establishes specifications for wrought copper and copper alloy seamless pressure fittings designed for use by soldering or brazing with seamless copper tube conforming to ASTM B88 (water and general plumbing systems), ASTM B280 (air conditioning and refrigeration service), and ASTM B819 (medical gas systems). Fittings made in accordance with this Standard are intended to be assembled with soldering materials conforming to ASTM B32, brazing materials conforming to AWS A5.8M/A5.8, or tapered pipe thread conforming to ASME B1.20.1. This Standard is allied with ASME B16.18, which covers cast copper alloy pressure fittings, and ASME B16.50, which covers wrought pressure fittings for brazing only. This Standard provides requirements for fitting ends of suitable depths to achieve required pressure ratings when joined by either soldering or brazing. This Standard covers the following: (a) pressure–temperature ratings (b) abbreviations for end connections (c) size and method of designating openings of fittings (d) marking (e) material (f) dimensions and tolerances (g) tests

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PDF Pages	PDF Title
4	CONTENTS
5	FOREWORD
6	ASME B16 COMMITTEE ROSTER
7	CORRESPONDENCE WITH THE B16 COMMITTEE
9	ASME B16.22-2021 SUMMARY OF CHANGES
10	LIST OF CHANGES IN RECORD NUMBER ORDER
12	1 SCOPE 2 GENERAL 2.1 Relevant Units 2.2 References 2.3 Quality Systems 3 PRESSURE–TEMPERATURE RATINGS 3.1 Rating of Fittings and Joints 3.2 Bursting Strength 4 TERMINOLOGY 4.1 Size
13	4.2 Abbreviations 4.3 Definitions 5 MARKING 6 MATERIAL 7 LAYING LENGTHS 8 TUBE STOPS 9 INSPECTION TOLERANCE 9.1 Convention 9.2 Linear Dimensions 9.3 Ovality of Fitting End (C or FTG) 9.4 Inside Diameter of Fitting
14	9.5 Wall Thickness 10 THREADED ENDS 10.1 Countersink or Chamfer 10.2 Threading Tolerances 10.3 Design of Threaded Ends 11 ALIGNMENT 12 GAGING 12.1 Preferred Gaging Method of Solder-Joint Ends 12.2 Optional Gaging Method of Solder-Joint Ends 12.3 Standard Gaging Method of Threaded Ends
15	Tables Table 3.1.1-1 Dimensions of Solder-Joint Ends
17	Table 3.1.1-2 Internal Pressure–Temperature Ratings for Copper Fittings, kPa (psi)
18	Figures Figure 4.1-1 Method of Designating Laying Lengths of Fittings and Openings of Reducing Fittings
20	Figure 8-1 Tube Stops Figure 11-1 Alignment Table 9.2-1 Inspection Tolerance
21	MANDATORY APPENDIX I STRENGTH OF SOLDER JOINTS
22	Table I-1 Pressure–Temperature Ratings
23	MANDATORY APPENDIX II REFERENCES
24	NONMANDATORY APPENDIX A FITTING RATING
25	NONMANDATORY APPENDIX B QUALITY SYSTEM PROGRAM

Additional information

Standard Title	ASME B16.22 – 2021 – Wrought Copper and Copper Alloy Solder-Joint Pressure Fittings
Published Code	ASME
Publication Date	2021
Pages Count	28

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ASME B16.22 2021

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