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Full Description

Codes and standards published by NFPA are displayed as read-only under license from NFPA solely for use within this system. NFPA material may not be downloaded, printed, reproduced, or transferred.

Using detailed schematic drawings showing different system layouts, NFPA 51 provides fire safety requirements for gas-fueled systems for cutting, welding, and other similar processes.

It covers:

- Cylinder storage
- System manifolding and piping
- Associated protective equipment such as regulators

Also provided are requirements for the use of acetylene generators, calcium carbide storage for acetylene generators*, and mobile acetylene trailer systems.

The 2002 edition features clarified text, such the application of requirements to different size single fuel gas cylinder systems.
 

Document History

  1. NFPA (Fire) 51


    Standard for the Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, 2023 Edition

    • Most Recent
  2. NFPA (Fire) 51


    Standard for the Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, 2018 Edition

    • Historical Version
  3. NFPA (Fire) 51


    Standard for the Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, 2013 Edition

    • Historical Version
  4. NFPA (Fire) 51


    Standard for the Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, 2007 Edition

    • Historical Version
  5. NFPA (Fire) 51

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    Standard for the Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, 2002 Edition

    • Historical Version
  6. NFPA (Fire) 51


    Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, 1997 Edition

    • Historical Version