• NFPA 86C : 1999

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    INDUSTRIAL FURNACES USING A SPECIAL PROCESSING ATMOSPHERE

    Available format(s):  Hardcopy

    Superseded date:  23-07-2013

    Language(s):  English

    Published date:  01-01-1999

    Publisher:  National Fire Protection Association

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Chapter 1 - General
    1.1 Scope
    1.2 Purpose
    1.3 Application
    1.4 Approvals, Plans, and Specifications
    1.5 Operator and Maintenance Personnel Training
    1.6 Equipment Maintenance
    1.7 Safety Labelling
    Chapter 2 - Definitions
    2.1 Definitions
    Chapter 3 - Location and Construction
    3.1 Location
    3.2 Furnace Design
    3.3 Explosion Relief
    3.4 Ventilation and Exhaust System
    3.5 Mountings and Auxiliary Equipment
    Chapter 4 - Furnace Heating Systems
    4.1 General
    4.2 Fuel Gas-Fired Units
    4.3 Oil-Fired Units
    4.4 Oxygen-Enhanced Fuel-Fired Units
    4.5 Flue Product Venting
    4.6 Electrically Heated Units
    4.7 Fluid Heating Systems
    Chapter 5 - Safety Equipment and Application
    5.1 Scope
    5.2 General
    5.3 Programmable Controllers
    5.4 Safety Control Application for Fuel-Fired Heating
           Systems
    5.5 Ventilation Safety Devices
    5.6 Combustion Air Safety Devices
    5.7 Safety Shutoff Valves (Fuel Gas or Oil)
    5.8 Fuel Pressure Switches (Gas or Oil)
    5.9 Combustion Safeguards (Flame Supervision)
    5.10 Fuel Oil Atomization (Other than Mechanical
           Atomization)
    5.11 Fuel Oil Temperature Limit Devices
    5.12 Multiple Fuel Systems
    5.13 Air-Fuel Gas Mixing Machines
    5.14 Oxygen Safety Devices
    5.15 Ignition of Main Burners-Fuel Gas or Oil
    5.16 Excess Temperature Limit Controller
    5.17 1400degreeF (760degreeC) Bypass Controller
    5.18 Electrical Heating Systems
    Chapter 6 - Fume Incinerators
    6.1 General
    6.2 Catalytic Fume Incinerators
    Chapter 7 - Special Atmospheres
    7.1 General
    7.2 Exothermic Generators
    7.3 Endothermic Generators
    7.4 Ammonia Dissociators
    7.5 Bulk Storage and Generated Supply Systems for Special
           Atmospheres
    7.6 Special Processing Gas Atmosphere Gas Mixing System
    7.7 Flow Control of Special Atmospheres
    7.8 Piping Systems for Special Atmospheres
    7.9 Maintenance
    Chapter 8 - Special Atmospheres and Furnaces as Classified in
                Chapters 9 through 12
    8.1 General
    8.2 Indeterminate Atmospheres
    8.3 Automatic Cycling
    8.4 Furnace Type
    Chapter 9 - Type I and Type II Furnaces
    9.1 General
    9.2 Atmosphere Introduction and Removal
    9.3 Emergency Procedures for Type I and Type II Furnaces
    9.4 Protective Equipment for Type I and Type II Furnaces
    Chapter 10 - Furnaces Types III, IV, and V
    10.1 General
    10.2 Atmosphere Introduction and Removal
    10.3 Emergency Procedures for Types III, IV, and V Furnaces
    10.4 Protective Equipment for Types III, IV, and V Furnaces
    Chapter 11 - Type VI and Type VII Furnaces
    11.1 General
    11.2 Atmosphere Introduction and Removal
    11.3 Emergency Procedures for Type VI and Type VII Furnaces
    11.4 Protective Equipment for Type VI and Type VII Furnaces
    Chapter 12 - Class C - Heating Cover Furnaces
    12.1 General
    12.2 Flammable Special Atmosphere Introduction and Removal
    12.3 Emergency Shutdown for Heating Cover-Type Furnaces
    12.4 Protective Equipment for Heating Cover-Type Furnaces
           above 1400degreeF (760degreeC)
    12.5 Operating Precautions for Heating Cover-Type Furnaces
    Chapter 13 - Timed Flow Purge Method for Type I-IX Furnaces
    13.1 General
    13.2 Timed Flow Purging Trials
    13.3 Future Purge Verifications
    13.4 Failure To Verify Timed Flow Purge Effectiveness
    Chapter 14 - Integral Quench Furnaces
    14.1 Scope
    14.2 Types of Integral Quench Furnaces
    14.3 Quench Vestibule
    14.4 Cooling Chamber Design
    14.5 Elevator Design
    14.6 Lower Quench Chamber or Tank
    14.7 Overflow Drains
    14.8 Quench Medium Cooling Systems
    14.9 Quench Tank Protective Features
    14.10 Quench Tank Heating Controls
    Chapter 15 - Open Liquid Quench Tanks
    15.1 Scope
    15.2 Location
    15.4 Quench Tank Construction
    15.5 Equipment
    15.6 Protection
    Chapter 16 - Molten Salt Bath Equipment
    16.1 General
    16.2 Location and Construction
    16.3 Salts
    16.4 Heating Systems
    16.5 Ventilation
    16.6 Safety Control Equipment
    16.7 Integral Quenching Salt Banks
    16.9 Operator Precautions
    16.10 Precautions
    Chapter 17 - Inspection, Testing, and Maintenance
    17.1 Responsibility of the Manufacturer and the User
    17.2 Equipment Entry
    17.3 Checklist
    Chapter 18 - Fire Protection
    18.1 Sprinklers, Water Spray, and Special Extinguishing
           Systems
    18.2 Portable Protection Equipment
    Chapter 19 - Referenced Publications
    Appendix A - Explanatory Material
    Appendix B - Example of Operational and Maintenance Checklist
    Appendix C - Indeterminate Special Gas Atmospheres
    Appendix D - Referenced Publications
    Index

    Abstract - (Show below) - (Hide below)

    Covers "Class C" industrial furnaces which utilize a special processing atmosphere, including salt bath and integral quench furnaces. Excludes coal or other fuel firing systems and listed equipments with heating systems that supplies a total input not exceeding 150,000 Btu/hr (44 kW).

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Fire Protection Association
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    NFPA 86D : 1999 INDUSTRIAL FURNACES USING VACUUM AS AN ATMOSPHERE
    ANSI/ASSE Z117.1 : 2009 SAFETY REQUIREMENTS FOR ENTERING CONFINED SPACES
    ANSI N665 : 1985 FIRE PROTECTION FOR LWR FUEL FABRICATION FACILITIES,
    ANSI Z117.1 REDLINE : 2009 COMPARISON DOCUMENT OF ANSI/ASSE Z117.1 AMERICAN NATIONAL STANDARD - SAFETY REQUIREMENTS FOR CONFINED SPACES (FOR VERSIONS 1995, 2003 AND 2009)
    ANSI/ASSE Z117.1 : 2009 SAFETY REQUIREMENTS FOR ENTERING CONFINED SPACES
    ANSI Z117.1 REDLINE : 2009 COMPARISON DOCUMENT OF ANSI/ASSE Z117.1 AMERICAN NATIONAL STANDARD - SAFETY REQUIREMENTS FOR CONFINED SPACES (FOR VERSIONS 1995, 2003 AND 2009)

    Standards Referencing This Book - (Show below) - (Hide below)

    NFPA 50A : 1999 GASEOUS HYDROGEN SYSTEMS AT CONSUMER SITES
    NFPA 91 : 2015 EXHAUST SYSTEMS FOR AIR CONVEYING OF VAPORS, GASES, MISTS, AND PARTICULATE SOLIDS
    NFPA 50B : 1999 LIQUEFIED HYDROGEN SYSTEMS AT CONSUMER SITES
    NFPA 31 : 2016 INSTALLATION OF OIL-BURNING EQUIPMENT
    NFPA 58 : 2017 LIQUEFIED PETROLEUM GAS CODE
    ASME B31.1 : 2016 POWER PIPING
    NFPA 79 : 2015 ELECTRICAL STANDARD FOR INDUSTRIAL MACHINERY
    ASME B31.3:2016 PROCESS PIPING
    NFPA 17 : 2017 DRY CHEMICAL EXTINGUISHING SYSTEMS
    NFPA 50 : 2001 BULK OXYGEN SYSTEMS AT CONSUMER SITES
    NFPA 15 : 2017 WATER SPRAY FIXED SYSTEMS FOR FIRE PROTECTION
    NFPA 10 : 2018 PORTABLE FIRE EXTINGUISHERS
    NFPA 86D : 1999 INDUSTRIAL FURNACES USING VACUUM AS AN ATMOSPHERE
    NFPA 14 : 2016 INSTALLATION OF STANDPIPE AND HOSE SYSTEMS
    NFPA 86 : 2015 OVENS AND FURNACES
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    NFPA 12 : 2015 CARBON DIOXIDE EXTINGUISHING SYSTEMS
    NFPA 13 : 2016 INSTALLATION OF SPRINKLER SYSTEMS
    NFPA 30 : 2018 FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE
    NFPA 54 : 2018 NATIONAL FUEL GAS CODE
    ANSI A14.3 : 2008(R2018) FIXED - SAFETY REQUIREMENTS
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