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ANSI Z21.87 : 2007 : INC : ADD A : 2010 : R2017

Current
Current

The latest, up-to-date edition.

AUTOMATIC GAS SHUTOFF DEVICES FOR HOT WATER SUPPLY SYSTEMS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-02-2017

Part I - Construction
1.1 Scope
1.2 General
1.3 Data Furnished By Manufacturer
1.4 Materials
1.5 Connections And Flow Areas
1.6 Bolts, Nuts And Screws
1.7 Adjustments
1.8 Strength
1.9 Corrosion
1.10 Thermal Sensing Element TubeS
1.11 Assembly
1.12 Instructions
1.13 Marking
Part II - Performance
2.1 General
2.2 Shutoff And Reset Temperatures
2.3 Leakage
2.4 Capacity
2.5 Continued Operation
2.6 Safety Circuit Analysis
2.7 Effects Of Voltage Variation
2.8 Current Input
2.9 Transient Voltage
2.10 Effects Of Humidity Variation
2.11 Marking Material Adhesion And Legibility
EXHIBIT A - Items Unique To The United States
EXHIBIT B - Items Unique To Canada
EXHIBIT C - List Of Reference Standards
Part III - Manufacturing And Production Tests
Part IV - Definitions
APPENDIX A - Preferred graphic symbols of commonly
             used Items, extracted from Standard
             ANSI/IEEE 315, Graphic symbols for
             electrical and electronics diagrams,
             and abbreviations for these items
APPENDIX B - Failure Modes and Effects Analysis
APPENDIX C - Table of Conversion Factors


This Standard applies to newly produced automatic gas shutoff valves and devices constructed entirely of new, unused parts and materials.

DevelopmentNote
Also numbered as CSA 4.6. (10/2001)
DocumentType
Standard
ISBN
978-1-55436-936-2
Pages
77
ProductNote
Reconfirmed EN
PublisherName
Canadian Standards Association
Status
Current
Supersedes

NSF 14 : 2016 PLASTICS PIPING SYSTEM COMPONENTS AND RELATED MATERIALS
CSA Z234.1 : 0 METRIC PRACTICE GUIDE
CSA C22.2 No. 139 : 2013 ELECTRICALLY OPERATED VALVES
IEEE/ASTM SI_10-2010 American National Standard for Metric Practice
ISO 68-1:1998 ISO general purpose screw threads — Basic profile — Part 1: Metric screw threads
NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
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

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