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Gaseous Hydrogen Safety Considerations
Rupture panels are often included in containerized hydrogen systems for overpressure protection, with requirements determined by hazard analysis and codes like NFPA 68 and 69.

Rupture panels can add an additional layer of overpressure protection against internal overpressure. Given the propensity of hydrogen to generate higher over-pressures when ignited compared to…

Separation distances should account for overpressure from delayed ignition and jet fires, with adjustments guided by hazard analysis and standards like NFPA 2.

Each installation should be evaluated based on the results of a hazard analysis considering both of these
scenarios. Separation distances as listed in documents such as NFPA 2, Hydrogen…

TPRDs are effective safeguards against tank overpressure during external fires if designed and installed per code, but their use requires consideration of system-specific factors.

This is a complicated subject. Thermally activated pressure relief devices can be an important safeguard for hydrogen vessels if properly designed and installed in accordance with code requirement…

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This material was prepared as an account of work sponsored by an agency of the United States Government.
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The portal brings together and enhances the utility of a variety of tools and web-based content on the safety aspects of hydrogen and fuel cell technologies to help inform those tasked with designing, approving or using systems and facilities, as well as those responding to incidents.

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