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CGA 6.21 : 1997

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

GAS APPLIANCE SEDIMENT TRAPS
Superseded date

10-07-2021

Published date

01-01-2016

PART I - CONSTRUCTION
1.1 Scope
1.2 General
1.3 Connections
1.4 Bolts, Nuts, Screws and Other Threaded Parts
1.5 Materials
1.6 Instructions
1.7 Marking
PART II - PERFORMANCE
2.1 General
2.2 Test Gases
2.3 Leakage
2.4 Strength
2.5 Capacity
2.6 Sediment Capture Effectiveness
2.7 Marking Material Adhesion and Legibility
EXHIBIT A - LIST OF REFERENCE STANDARDS
EXHIBIT B - LIST OF MATERIALS
EXHIBIT C - ITEMS UNIQUE TO ONE COUNTRY (CANADA)
PART III - MANUFACTURING AND PRODUCTION TESTS
PART IV - DEFINITIONS
APPENDIX - TABLE OF CONVERSION FACTORS

Pertains to newly produced gas appliance sediment traps hereinafter referred to as traps (see Part IV, Definitions), constructed entirely of new, unused parts and materials.

DevelopmentNote
Also numbered as ANSI Z21.79 (04/2002)
DocumentType
Standard
PublisherName
Canadian Standards Association
Status
Superseded
SupersededBy

CGA B149.2 : 0 PROPANE INSTALLATION CODE
CGA B149.1 : 0 NATURAL GAS INSTALLATION CODE
AGA REPORT 3 : 1985 ORIFICE METERING OF NATURAL GAS AND OTHER RELATED HYDROCARBON FLUIDS
ASME B1.20.1 : 2013(R2018) PIPE THREADS, GENERAL PURPOSE (INCH)
SAE J 525 : 2016 WELDED AND COLD DRAWN LOW-CARBON STEEL TUBING ANNEALED FOR BENDING AND FLARING
ANSI Z223.1 : 2018 NATIONAL FUEL GAS CODE
SAE J512 : 1997 AUTOMOTIVE TUBE FITTINGS
ASME B16.3 : 2016 MALLEABLE IRON THREADED FITTINGS: CLASSES 150 AND 300

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