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Hydrogen is a promising energy carrier for future low-carbon systems, but its high flammability, wide explosion range, and low ignition energy present significant safety challenges. This paper proposes an integrated ATEX-based risk assessment methodology specifically designed for hydrogen storage and utilization systems. The methodology combines regulatory requirements, including EN 1127-1:2019, with a hydrogen-specific risk matrix, ATEX zone classification, and operational risk mitigation measures. A high-pressur...

The flameproof enclosure type of protection is a safety method designed to prevent the ignition of an explosive atmosphere in hazardous environments. It involves enclosing components that may generate sparks, electrical arcs, or high temperatures within a robust, explosion-resistant housing. This enclosure is engineered to withstand the pressure generated by an internal explosion of a flammable gas mixture, ensuring that the explosion does not propagate to the surrounding atmosphere. This type of protection is par...