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ASME B16.22 Document Information:
Title
Wrought Copper and Copper Alloy Solder Joint Pressure Fittings
ASME International
Publication Date:
Jan 1, 2001
Scope:
General
This Standard establishes specifications for wrought copper and wrought copper alloy, solder-joint, seamless fittings, designed for use with seamless copper tube conforming to ASTM B 88 (water and general plumbing systems), B 280 (air conditioning and refrigeration service), and B 819 (medical gas systems), as well as fittings intended to be assembled with soldering materials conforming to ASTM B 32, brazing materials conforming to AWS A5.8, or with tapered pipe thread conforming to ASME B1.20.1.
This Standard is allied with ASME B16.18, which covers cast copper alloy pressure fittings. It provides requirements for fitting ends suitable for soldering. This Standard covers:
(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; and
(g) tests.
Convention
For the purpose of determining conformance with this Standard, the convention for fixing significant digits where limits (maximum or minimum values) are specified shall be rounding off as defined in ASTM E 29. This requires that an observed or calculated value shall be rounded off to the nearest unit in the last right-hand digit used for expressing the limit.
Units of Measure
The values stated in either SI (metric) or U.S. customary (in.-lb) units of measure shall be regarded separately as standard. Within the main text, SI units are given. For convenience, the customary units are shown in Mandatory Appendix II. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.
NOTE: Combining values from the two systems may result in nonconformance with the Standard.
Quality Systems
Requirements relating to the product manufacturer’s quality system program are described in Nonmandatory Appendix B.
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