CSA/ANSI Z21.21 : 2015

Withdrawn

View Superseded by

AUTOMATIC VALVES FOR GAS APPLIANCES

Available format(s)

Hardcopy , PDF

Withdrawn date

07-17-2021

Language(s)

English

Published date

01-01-2015

Publisher

Canadian Standards Association

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Status	Withdrawn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/ANSI Z21.21:19/CSA 6.5:19

C22.1-15	Canadian Electrical Code, Part I (23rd Edition), Safety Standard for Electrical Installations
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 J 525 : 2016	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