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CSA/ANSI Z21.18 : 2007 : INC : ADD B : 2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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GAS APPLIANCE PRESSURE REGULATORS
Hardcopy , PDF
17-07-2021
English
01-01-2017
Part I - Construction
1.1 Scope
1.2 Data to be Furnished by the Manufacturer
1.3 Assembly
1.4 Connections
1.5 Bolts and Screws
1.6 Adjustments
1.7 Strength
1.8 Vent Connections and Vent Limiters
1.9 Springs
1.10 Finish
1.11 Materials
1.12 Instructions
1.13 Marking
Part II - Performance
2.1 General
2.2 Test and Reference Gases
2.3 Test Pressures
2.4 Leakage
2.5 Strength and Deformation
2.6 Mounting Regulator for Test
2.7 Pressure Drop Capacity
2.8 Outlet Pressure Range
2.9 Range of Regulation Capacity
2.10 Regulators Designated to Operate At Pilot
Flow Rate
2.11 Regulators for Use on Domestic Gas Ranges
2.12 Integrity of Operation
2.13 Continued Operation
2.14 Resistance to Permanent Damage at Excessive
Supply Pressure
2.15 Vent Limiter
2.16 Marking Material Adhesion and Legibility
Part III - Negative Pressure Regulators Performance
3.1 General
3.2 Test and Reference Gases
3.3 Test Pressures
3.4 Leakage
3.5 Strength and Deformation
3.6 Mounting Regulator for Test
3.7 Pressure Drop Capacity
3.8 Outlet Pressure Range
3.9 Range of Regulation Capacity
3.10 Regulators Designated To Operate at Pilot
Flow Rate
3.11 Regulators for Use On Domestic Gas Ranges
3.12 Integrity of Operation
3.13 Continued Operation
3.14 Vent Limiter
3.15 Marking Material Adhesion and Legibility
EXHIBIT A - Items Unique To Canada
EXHIBIT B - List Of Reference Standards
Part IV - Manufacturing And Production Tests
Part V - Definitions
APPENDIX A - Table of Conversion Factors
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