Standard for the Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes
The next edition of this standard is now open for Public Input (formerly proposals).
What is NFPA 51?
This standard provides safety requirements for oxygen-fueled gas cutting and welding systems to reduce the risk of fires and explosions.
Official document scope
What does NFPA 51 address?
Guidance is provided on cylinder storage, system manifolding and piping, and associated protective equipment such as regulators. NFPA 51 also includes provisions for the use of acetylene generators, calcium carbide storage for acetylene generators, and mobile acetylene trailer systems.
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