NFPA 67: Guide on Explosion Protection for Gaseous Mixtures in Pipe Systems

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NFPA 67 provides a fire protection framework for industrial piping systems that contain or may contain flammable vapor mixtures.

Now in its second edition, NFPA 67: Guide on Explosion Protection for Gaseous Mixtures in Pipe Systems provides invaluable support for designers, engineers, contractors, installers, and facility managers responsible for safety in facilities with piping systems that may contain flammable gases where there is potential for ignition. It's an essential resource for anyone who works with process piping, vapor recover system piping, gas venting piping and manifolds, gas piping for water electrolysis and fuel cell systems, flare systems, and other types of piping systems.

Confidently design, install, and operate explosion protection systems for piping, using the latest practices developed by experts to:

  • Prevent, contain, suppress, and/or vent explosions
  • Avoid Deflagration-to-Detonation Transition (DDT)
  • Contain detonations
  • Minimize damage due to explosions

Advance your knowledge with the updated 2016 edition of NFPA 67.

  • An expanded section addressing the detonation forces on pipes provides designers with a better description of the detonation pressure wave phenomena.
  • New guidance on the proper application of detonation arresters is useful for both designers and installers.
  • New references addressing the design of piping systems outside the Guide's scope help direct users to the correct NFPA® code or standard.

NFPA 67 is an important resource for everyone involved with fire and explosion safety in facilities where piping systems are installed. (Softbound, 37 pp., 2016)

NFPA<sup>®</sup> 67 Guide on Explosion Protection for Gaseous Mixtures in Pipe Systems 2016 Edition

NFPA® 67 Guide on Explosion Protection for Gaseous Mixtures in Pipe Systems, 2016 Edition

Chapter 1 Administration
1.1 Scope.
1.2 Purpose.
1.3 Piping Installation and Maintenance.
1.4 Applications.
Chapter 2 Referenced Publications
2.1 General.
2.2 NFPA Publications.
2.3 Other Publications.
2.4 References for Extracts in Advisory Sections.
Chapter 3 Definitions
3.1 General.
3.2 NFPA Official Definitions.
3.3 General Definitions.
Chapter 4 Fundamentals of Deflagrations
4.1 General.
4.2 Flammable Limits.
4.3 Burning Velocity.
4.4 Flame Speed.
4.5 Mixtures.
Chapter 5 Principles of Detonations
5.1 Properties.
5.2 Detonation Cells and Mixture Composition Limits.
5.3 Chapman-Jouguet (CJ) Detonations.
5.4 Detonation Development from Deflagration.
5.5 Direct Initiation of a Detonation.
5.6 Statement on Mixtures. (Reserved)
Chapter 6 Detonation Prevention
6.1 Detonation Prevention by Composition Control.
6.2 Deflagration Intervention.
Chapter 7 Detonation Containment
7.1 General.
7.2 Detonation Forces on Pipes.
7.3 CJ Pressure.
7.4 Reflected Pressure Waves.
7.5 Detonation Containment in Pipes.
7.6 Detonations in Large Structures. (Reserved)
7.7 Pipe Structural Response to Detonation Loads.
Chapter 8 Detonation Propagation Across Boundaries
8.1 General - Detonation Propagation Across Boundaries. (Reserved)
8.2 Flame Quenching.
8.3 Minimum Opening Diameter for Detonation Propagation.
Chapter 9 Mitigation of Detonation Effects
9.1 Passive Detonation Arresters.
9.2 Active Detonation Arrester Systems.
9.3 Detonation Arrester Systems.
9.4 Water Sprays.
Chapter 10 Applications of Passive Detonation Protection Strategies
10.1 Underground Storage Vessel.
10.2 Aboveground Storage Vessel.
10.3 Protection of Process Unit and Tank Farm from Thermal Oxidizer.
10.4 Protection Strategy for a Carbon Adsorption Unit.
10.5 Protection Strategy for Equipment (Blowers, Vacuum Pumps, etc.).
10.6 Selecting Flame Arresters for Actual Process Conditions.
Chapter 11 Management of Change
11.1 Procedures for Management of Change.
Chapter 12 Installation, Inspection, and Maintenance of Piping Explosion Protection Systems
12.1 General.
12.2 Design Parameters and Documentation.
12.3 Installation.
12.4 Inspection.
12.5 Availability of Explosion Protection System Documentation.
12.6 Maintenance.
12.7 Cleaning.
12.8 Procedures After an Explosion Protection System Event.
12.9 Recordkeeping.
12.10 Personnel Safety and Training.
Annex A Explanatory Material
Annex B Informational References