CSA CGA 3.4 : 1973 : R2015

Introduction
Standards of Reference
Section I
1.1 Scope
Section II - Part A: Construction Requirements - Burners with
 Inputs in Excess of 400,000 BTUH and up to 10,000,000 BTUH
 maximum
2.1 General
2.2 Nameplate Marking
2.3 Main Burner
2.4 Flame Safeguard Devices
2.5 Pilots
2.6 Electric Ignition Systems
2.7 Piping and Fittings
2.8 Air Control
2.9 Induced Draft
2.10 Valve Trains for Low Pressure Gas
2.11 Valve Trains for Medium and High Pressure Gas
2.12 Test Openings
2.13 Bleed, Vent and Relief Lines
2.14 Electrical Equipment and Wiring
2.15 Combination Gas-Oil Fired Conversion Burners
Section II - Part B: Construction Requirements - Additional
 for Burners with Inputs in excess of 10,000,000 BTUH and up
 to 50,000,000 BTUH maximum
2.16 General
2.17 Safety Shut-Off Valves
2.18 Safety Controls
Section III - Performance Requirements
3.1 General
3.2 Combustion
3.3 Pilots and Automatic Pilots
3.4 Temperatures
3.5 Combustion Safety Controls
3.6 Other Safety Controls
3.7 Operating Controls
3.8 Manifold and Control Assembly Capacity
3.9 Electrical Tests
3.10 Direct Electrical Ignition of Main Burner
3.11 Trial For Ignition
3.12 Trial For Ignition Timing
3.13 Delayed Ignition
Section IV - Instructions
4.1 Operating Instruction
4.2 Installation and Service Instructions
Section V - Definitions
Appendix - Table: Maximum Allowable Temperatures for Materials

Pertains to natural and propane gas-fired conversion burners designed and constructed primarily for the purpose of converting heating and process equipment from the use of other fuels to gas firing and/or firing new heating or process equipment.