CSA/ANSI Z21.21 : 2015
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
AUTOMATIC VALVES FOR GAS APPLIANCES
Hardcopy , PDF
17-07-2021
English
01-01-2015
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Preface
1 Scope
2 Reference publications
3 Definitions
4 Construction
5 Performance
6 Commercial/industrial safety shutoff valves - construction
7 Commercial/industrial safety shutoff valves - performance
8 Manufacturing and production tests
9 Items unique to the United States
10 Items unique to Canada
Annex A (informative) - Preferred graphic symbols of
commonly used items, extracted from ANSI/IEEE
Standard 315, Graphic Symbols for Electrical and
Electronics Diagrams, and abbreviations for these items
Annex B (informative) - Table of conversion factors
Pertains to newly produced automatic valves constructed entirely of new, unused parts and materials.
| DevelopmentNote |
Also numbered as CSA 6.5. (09/2001) Effective in Canada March 31, 2017. (08/2015)
|
| DocumentType |
Standard
|
| Pages |
82
|
| PublisherName |
Canadian Standards Association
|
| Status |
Withdrawn
|
| SupersededBy |
| CSA Z234.1 : 0 | METRIC PRACTICE GUIDE |
| SAE HDBK VOL 1 : 1999 | SAE HANDBOOK - MATERIALS, FUELS, EMISSIONS, AND NOISE |
| CSA C22.2 No. 139 : 2013 | ELECTRICALLY OPERATED VALVES |
| IEEE/ASTM SI_10-2010 | American National Standard for Metric Practice |
| IEEE 315 : 1975 | GRAPHIC SYMBOLS FOR ELECTRICAL AND ELECTRONICS DIAGRAMS (INCLUDING REFERENCE DESIGNATION LETTERS) |
| ASME B16.1 : 2015 | Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250 |
| ASME B1.20.1 : 2013(R2018) | PIPE THREADS, GENERAL PURPOSE (INCH) |
| AGA XQ9211 : 0 | AGA REPORT NO. 3, ORIFICE METERING OF NATURAL GAS AND OTHER RELATED HYDROCARBON FLUIDS - PART 4: BACKGROUND, DEVELOPMENT, IMPLEMENTATION PROCEDURE, AND SUBROUTINE DOCUMENTATION FOR EMPIRICAL FLANGE- TAPPED DISCHARGE COEFFICIENT EQUATION |
| ISO 68-1:1998 | ISO general purpose screw threads — Basic profile — Part 1: Metric screw threads |
| NFPA 70 : 2017 | NATIONAL ELECTRICAL CODE |
| SAE J525_201609 | Welded and Cold Drawn Low-Carbon Steel Tubing Annealed for Bending and Flaring |
| ASME B16.5 : 2017 | PIPE FLANGES AND FLANGED FITTINGS: NPS 1/2 THROUGH NPS 24 METRIC/INCH STANDARD |
| ISO 261:1998 | ISO general purpose metric screw threads — General plan |
| NFPA 54 : 2018 | NATIONAL FUEL GAS CODE |
| ANSI Z223.1 : 2018 | NATIONAL FUEL GAS CODE |
| ASTM D 471 : 2016-02 | TEST METHOD FOR RUBBER PROPERTY - EFFECT OF LIQUIDS |
| ISO 1817:2015 | Rubber, vulcanized or thermoplastic Determination of the effect of liquids |
| ASME B16.3 : 2016 | MALLEABLE IRON THREADED FITTINGS: CLASSES 150 AND 300 |
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