PAS 4445:2025 PDF

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What is PAS 4445:2025 Hydrogen-fired equipment for use in industrial and commercial (non-domestic) settings – Code of Practice about? To support decarbonization, PAS 4445:2025 gives recommendations on the design, construction and performance of large equipment which is either purpose built to use hydrogen or designed to be converted to hydrogen. Who is PAS 4445:2025 Hydrogen-fired equipment for use in industrial and commercial (non-domestic) settings – Code of Practice for? • OEMs and designers of large hydrogen-fired equipment; • installers of large hydrogen-fired equipment; • commissioning and maintenance engineers of large hydrogen-fired equipment; • notified bodies; • insurers/underwriters; • UK competent authorities What does PAS 4445:2025  Hydrogen-fired equipment for use in industrial and commercial (non-domestic) settings – Code of Practice cover? PAS 4445:2025 gives recommendations for large hydrogen-fired equipment for use in industrial and commercial (non-domestic) settings. It covers the safety, design, construction, testing and performance of large hydrogen-fired equipment for use in industrial and commercial (non-domestic) settings which are either: • manufacturer-purpose built; • manufacturer-converted; or • retrofit-converted to use hydrogen. PAS 4445:2025 covers pre-conversion, the conversion procedure, and post-conversion proce...