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NFPA 86: Standard for Ovens and Furnaces, 2023
- Chapter 1 Administration [Go to Page]
- 1.1 Scope.
- 1.2 Purpose.
- 1.3 Application.
- 1.4 Retroactivity.
- 1.5 Equivalency.
- 1.6 Units and Formulas.
- Chapter 2 Referenced Publications [Go to Page]
- 2.1 General.
- 2.2 NFPA Publications.
- 2.3 Other Publications.
- 2.4 References for Extracts in Mandatory Sections.
- Chapter 3 Definitions [Go to Page]
- 3.1 General.
- 3.2 NFPA Official Definitions.
- 3.3 General Definitions.
- Chapter 4 General [Go to Page]
- 4.1 Approvals, Plans, and Specifications.
- 4.2 Safety Labeling.
- 4.3 Pressure Vessels.
- 4.4 Noncombustible Material. [101:4.6.13]
- Chapter 5 Location and Construction [Go to Page]
- 5.1 Location.
- 5.2 Furnace Design.
- 5.3 Explosion Relief.
- 5.4 Ventilation and Exhaust System.
- 5.5 Mountings and Auxiliary Equipment.
- Chapter 6 Furnace Heating Systems [Go to Page]
- 6.1 General.
- 6.2 Fuel Gas–Fired Units.
- 6.3 Oil-Fired Units.
- 6.4 Oxygen-Enhanced Fuel-Fired Units.
- 6.5 Flue Product Venting.
- 6.6 Electrically Heated Units.
- 6.7 Fluid Heating Systems.
- Chapter 7 Commissioning, Operations, Maintenance, Inspection, and Testing [Go to Page]
- 7.1 Commissioning.
- 7.2 Training.
- 7.3 Operations.
- 7.4 Inspection, Testing, and Maintenance.
- 7.5 Record Retention.
- 7.6 Procedures.
- Chapter 8 Safety Equipment and Application [Go to Page]
- 8.1 General.
- 8.2 Safety Device Requirements and Burner Management Systems.
- 8.3 Programmable Logic Controller Systems.
- 8.4 Safety Control Application for Fuel-Fired Heating Systems.
- 8.5 Ventilation Safety Devices.
- 8.6 Combustion Air Safety Devices.
- 8.7 Safety Shutoff Valves (Fuel Gas or Oil).
- 8.8 Fuel Pressure Switches (Gas or Oil).
- 8.9 Flame Supervision.
- 8.10 Fuel Oil Atomization (Other Than Mechanical Atomization).
- 8.11 Fuel Oil Temperature Limit Devices.
- 8.12 Multiple-Fuel Systems.
- 8.13 Air–Fuel Gas Mixing Machines.
- 8.14 Oxygen Safety Devices.
- 8.15 Excess Temperature Limit Interlock.
- 8.16 1400°F (760°C) Bypass Interlock.
- 8.17 Electrical Heating Systems.
- 8.18 Fluid-Heated Systems — Excess Temperature Limit Interlock.
- Chapter 9 Fire Protection [Go to Page]
- 9.1 General.
- 9.2 Types of Fire Protection Systems.
- 9.3 Special Considerations.
- 9.4 Drawings and Calculations.
- 9.5 Means of Access.
- 9.6 Inspection, Testing, and Maintenance of Fire Protection Equipment.
- Chapter 10 Thermal Oxidizer [Go to Page]
- 10.1 General.
- 10.2 Location and Construction.
- 10.3 Heating Systems. (Reserved)
- 10.4 Commissioning, Operations, Maintenance, Inspection, and Testing. (Reserved)
- 10.5 Fire Protection. (Reserved)
- 10.6 Safety Equipment and Application.
- Chapter 11 Class A Ovens and Furnaces [Go to Page]
- 11.1 General. (Reserved)
- 11.2 Location and Construction. (Reserved)
- 11.3 Heating Systems. (Reserved)
- 11.4 Commissioning, Operations, Maintenance, Inspection, and Testing.
- 11.5 Fire Protection.
- 11.6 Safety Ventilation for Class A Ovens.
- 11.7 Low-Oxygen Atmosphere Class A Ovens with Solvent Recovery.
- Chapter 12 Class B Ovens and Furnaces [Go to Page]
- 12.1 General. (Reserved)
- 12.2 Location and Construction. (Reserved)
- 12.3 Heating Systems. (Reserved)
- 12.4 Commissioning, Operations, Maintenance, Inspection, and Testing. (Reserved)
- 12.5 Safety Equipment.
- 12.6 Fire Protection. (Reserved)
- Chapter 13 Special Atmospheres for Class C Ovens and Furnaces [Go to Page]
- 13.1 General. (Reserved)
- 13.2 Location and Construction. (Reserved)
- 13.3 Heating Systems. (Reserved)
- 13.4 Commissioning, Operations, Maintenance, Inspection, and Testing. (Reserved)
- 13.5 Safety Equipment.
- 13.6 Fire Protection. (Reserved)
- Chapter 14 Class D Furnaces [Go to Page]
- 14.1 General. (Reserved)
- 14.2 Location and Construction.
- 14.3 Heating Systems. (Reserved)
- 14.4 Commissioning, Operations, Maintenance, Inspection, and Testing. (Reserved)
- 14.5 Safety Equipment.
- Annex A Explanatory Material
- Annex B Example of Class A Furnace Operational and Maintenance Checklist
- Annex C Example of Class A or Class B Furnace Operational and Maintenance Checklist
- Annex D The Lower Limit of Flammability and the Autogenous Ignition Temperature of Certain Common Solvent Vapors Encountered in Ovens
- Annex E Continuous Solvent Vapor Concentration Indicator and Controller
- Annex F Fire Protection Study
- Annex G Steam Extinguishing Systems
- Annex H Example of Class C Furnace Operational and Maintenance Checklist
- Annex I Vacuum Furnace Maintenance Checklist
- Annex J Pump Data
- Annex K Engineering Data
- Annex L Vacuum Symbols
- Annex M Design Standard References
- Annex N Process Hazard Analysis
- Annex O Informational References [Go to Page]