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NFPA 69 2024

NFPA 69 2024

$62.08

NFPA 69: Standard on Explosion Prevention Systems

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NFPA 2024
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NFPA 69, Standard on Explosion Prevention Systems, protects pipes, ductwork, and dust collections systems. It covers explosion prevention, explosion isolation, oxidant concentration control, fuel concentration control, and ignition control systems and provides requirements for designers, safety officers, and facility managers that are vital to helping prevent dust and spark explosions in woodworking, grain processing, machining, and other facilities. The 2024 edition includes: Standardized terminology and requirements for automatic shutdown and orderly shutdown Added requirements for dust flame-arresting devices Revised requirements on safety instrumented systems Added language to address elevated temperatures on close-clearance rotary valves Revised requirements on battery backup for control panels Consolidation of all inspection, testing, and maintenance requirements for various types of equipment into Chapter 15

PDF Catalog

PDF Pages PDF Title
2 Important Notices and Disclaimers
3 Additional Important Notices and Disclaimers
10 Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Application.
11 1.4 Retroactivity.
1.5 Equivalency.
Chapter 2 Referenced Publications
2.1 General.
2.2 NFPA Publications.
2.3 Other Publications.
12 2.4 References for Extracts in Mandatory Sections.
Chapter 3 Definitions
3.1 General.
3.2 NFPA Official Definitions.
3.3 General Definitions.
14 Chapter 4 General Requirements
4.1 Goal.
4.2 Objectives.
4.3 Compliance Options.
Chapter 5 Performance-Based Design Option
5.1 General Requirements.
15 5.2 Performance Criteria.
Chapter 6 General Prescriptive Requirements
6.1 Methods.
6.2 Limitations.
6.3 Factors to Be Considered.
6.4 Plans.
6.5 System Acceptance.
16 6.6 Inspection and Maintenance.
6.7 Housekeeping.
Chapter 7 Deflagration Prevention by Oxidant Concentration Reduction
7.1 Application.
7.2 Design and Operating Requirements.
17 7.3 Purge Gas Sources.
7.4 Purge Gas Conditioning.
7.5 Piping Systems.
18 7.6 Application of Purge Gas at Points of Use.
7.7 Instrumentation.
Chapter 8 Deflagration Prevention by Combustible Concentration Reduction
8.1 Application.
8.2 Basic Design Considerations.
19 8.3 Design and Operating Requirements.
8.4 Instrumentation.
Chapter 9 Predeflagration Detection and Control of Ignition Sources
9.1 Application.
20 9.2 Limitations.
9.3 Optical Sensing System and Gas Sensing System Design Considerations.
9.4 Testing.
21 9.5 Protection System Design and Operation.
9.6 System Manufacturer’s Additional Responsibilities.
9.7 Actuation of Other Devices and Systems.
9.8 Process Shutdown.
22 Chapter 10 Deflagration Control by Suppression
10.1 Application.
10.2 Limitations.
10.3 Personnel Safety.
10.4 Basic Design Considerations.
23 10.5 Control Panels.
24 10.6 Detection Devices.
10.7 Electrically Operated Actuating Devices.
10.8 Suppressant and Suppressant Storage Containers.
Chapter 11 Deflagration Control by Active Isolation
11.1 Application.
11.2 Isolation Techniques.
26 11.3 Personnel Safety.
11.4 Basic Design and Operation.
28 11.5 Detection Devices.
11.6 Electrically Operated Actuating Devices.
11.7 Control Panels.
Chapter 12 Deflagration Control by Passive Isolation
12.1 Application.
12.2 Passive Isolation Techniques.
36 Chapter 13 Deflagration Control by Pressure Containment
13.1 Application.
13.2 Design Limitations.
13.3 Design Bases.
37 13.4 Maintenance.
Chapter 14 Passive Explosion Suppression Using Expanded Metal Mesh or Polymer Foams
14.1 Applications.
14.2 Foam and Mesh Requirements.
38 14.3 Expanded Metal Mesh and Polymer Foam Explosion Suppression Testing.
39 14.4 Expanded Metal Mesh or Polymer Foam Installations.
14.5 Expanded Metal Mesh or Polymer Foam Maintenance and Replacement.
Chapter 15 Installation, Inspection, and Maintenance of Explosion Prevention Systems
15.1 General.
15.2 Installation.
40 15.3 Mechanical Installation.
15.4 Agent, Agent Storage Containers, Automatic Fast-Acting Valves, Flame Arresters, and Flame Front Diverters.
15.5 Electrical Installation.
41 15.6 System Acceptance.
15.7 Inspection and Testing.
43 15.8 Procedures Following System Actuation.
15.9 Recordkeeping.
15.10 Personnel Safety and Training
15.11 Management of Change.
44 15.12 Maintenance.
Annex A Explanatory Material
68 Annex B Control of Flammable Gas Mixtures by Oxidant Concentration Reduction and Combustible Concentration Reduction
76 Annex C Limiting Oxidant Concentrations
81 Annex D Ventilation Calculations
83 Annex E Purging Methods
85 Annex F Flame Arresters
91 Annex G Deflagration Containment Calculation Method for Two Interconnected Vessels
92 Annex H Informational References

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NFPA 69 2024
$62.08