Updated Standards for Pressure Vessels in Korea
28. November 2024The Korean Ministry of Trade, Industry, and Energy has revised key standards under the High-Pressure Gas Safety Control Act, as outlined in Notice No. 2024-753. These updates affect gas wholesale operations, refrigeration and specific equipment, and valves and safety components. For storage tanks and pressure vessels (KGS AC111, AC113, AC114, AC115), the revisions introduce clearer labeling to indicate hydrogen pressure vessel lifecycles, set criteria for emergency stop mechanisms and anti-misoperation systems in fixed tanks, and detail non-destructive testing methods for welds. Updates also include standards for internal piping, drain valves, and nameplate locations for small storage tanks. Seismic design and inspections (KGS AC115) for LNG tanks now mandate testing of all welds and permit phased-array ultrasonic testing. Pressure vessels typically require KGS certification to be approved for import and sale in Korea.
Changes to valves and safety components include updated regulations for toxic gas valve durability testing, with production-phase durability checks removed (KGS AA318). High-pressure safety valves now align with international standards, incorporating ASME Section XIII manufacturing criteria (KGS AA319). Other revisions address gas pipeline installation, regulator stations, and marking standards, ensuring consistency with national safety regulations and related laws. The updates aim to improve safety, clarify processes, and harmonize with global practices.
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