KGS Opens Liquid Hydrogen Testing Center – Giving New Momentum to Safety and Innovation in Hydrogen Technologies
13. November 2025South Korea is entering a new phase of hydrogen safety management with the opening of the Liquefied Hydrogen Test Support Center, operated by the Korea Gas Safety Corporation (KGS). From December onward, statutory inspections and performance testing for liquefied hydrogen storage tanks and other cryogenic systems will be carried out domestically for the first time — marking a major step toward safer and more efficient hydrogen infrastructure.
The center will utilize its newly established facilities to perform inspections on seven categories of containers and specific equipment regulated under the High Pressure Gas Safety Management Act. These include liquefied hydrogen storage tanks, tank lorries, cryogenic containers, container accessories, safety valves and emergency shut-off devices, which all require KGS approval. This capability will allow KGS to ensure compliance and reliability across the full range of equipment used in the hydrogen supply chain.
The new facility covers 8,099 m² of land with a total floor space of 1,981 m². Built with an investment of 33.2 billion KRW, the center houses 27 types of advanced inspection and certification equipment across 23 categories, including high-precision vacuum insulation testing systems.
The storage tank testing facility is being outfitted with state-of-the-art systems to measure cryogenic insulation performance (Normal Evaporation Rate) and airtightness of storage tanks, tank lorries, and cryogenic vessels. Designed to accommodate testing of 4-ton storage tanks, the facility will be supported by 50-ton and 20-ton gantry cranes to handle and evaluate various tank configurations under real operating conditions.
Meanwhile, the product testing center will enable comprehensive performance evaluations — including blow-out and sealing tests for safety valves and blocking and sealing performance checks for emergency shut-off devices. In addition, the facility will support functional and thermal performance testing of liquefied hydrogen pumps, vaporizers, and vacuum-insulated pipelines, expanding beyond the scope of mandatory inspections to cover broader product R&D applications.
By maintaining an 8-ton supply of liquefied hydrogen and incorporating a re-liquefaction system to recover 200–250 kg of boil-off gas daily, the center ensures both safety and environmental sustainability during testing operations.
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