Standard

ASME B16.50

Revidert

Merknad: Denne standarden har en ny utgave: ASME B16.50

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Omfang

General This Standard establishes requirements for wrought copper and wrought copper alloy braze-joint seamless fittings designed for use with seamless copper tube conforming to ASTM Standard Specification, B 88 (Water and General Plumbing Systems), B 280 (Air Conditioning and Refrigeration Service), and B 819 (Medical Gas Systems). This Standard covers joints assembled with brazing materials conforming to ANSI/AWS A5.8. This Standard is allied to ASME standards B16.18 and B16.22. It provides requirements for fitting-ends suitable for brazing. 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) testing. 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 US 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 I. 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. References Standards and specifications adopted by reference in this Standard are shown in Mandatory Appendix II, which is part of this Standard. It is not considered practical to identify the specific edition of each standard and specification in the individual references. Instead, the specific edition reference is identified in Mandatory Appendix II. Quality Systems Requirements relating to the product manufacturer's Quality System Programs are described in Nonmandatory Appendix B.

Dokumentinformasjon

  • Standard fra ASME_AC
  • Publisert:
  • Versjon: 0
  • Varetype: IS