Gwangyang · Marine & Offshore Service
Valves for Marine & Offshore Service - Gwangyang
Gwangyang on South Korea's southern coast is home to POSCO's Gwangyang Works - the world's largest single-site steelworks - together with a large free-economic-zone port, LNG terminal, and links to the neighbouring Yeosu petrochemical complex; integrated steelmaking and power service demands high-temperature, abrasion-, and corrosion-resistant valves to KS/JIS and licensor standards - high-temperature A217 WC9 and F22 gate and globe valves for blast-furnace, coke-oven, and reheating duty, knife gate and pinch valves for sinter, coal, and slurry handling, API 6D ball, gate, and check valves in A216 WCB and A351 CF8M for gas, oxygen, and utility lines, cryogenic valves for the LNG terminal, IBR-equivalent and ASME B16.34 steam valves for the power plants, and API 526 safety-relief valves; KS B flanges and full material certification are required; Vajra Industrial Solutions supplies Gwangyang steelworks, LNG, and power buyers and their EPC and maintenance contractors with high-temperature, abrasion-resistant, cryogenic, and API 6D valve packages with full traceability and export documentation to South Korea.
Trunnion ball valves, butterfly valves and gate valves in Super Duplex (F53) and Duplex (F51) for FPSO, offshore topsides, subsea wellheads, and marine seawater service.
Marine & Offshore Service Valves - Available in Gwangyang
Trunnion Ball Valve (Super Duplex)
Class 150 / 300 / 600 / 900 / 1500Full-bore isolation for seawater injection, produced water, and topside process - maximum corrosion resistance in high-chloride environments
Butterfly Valve (Duplex / Super Duplex)
PN 10 / PN 16 / Class 150 / 300Seawater cooling and ballast system isolation on FPSOs and offshore platforms - wafer or double-flanged, high-chloride resistant
Gate Valve (Slab / Expanding, Offshore Spec)
Class 600 / 900 / 1500 / 2500Through-conduit full-bore isolation for subsea wellhead and riser systems with pigging requirements
Swing / Tilting Disc Check Valve (Marine Grade)
Class 150 / 300 / 600Non-return valve on seawater lift pumps, ballast systems, and produced water injection
Marine & Offshore Service Industry in Gwangyang
Gwangyang on South Korea's southern coast is home to POSCO's Gwangyang Works - the world's largest single-site steelworks - together with a large free-economic-zone port, LNG terminal, and links to the neighbouring Yeosu petrochemical complex; integrated steelmaking and power service demands high-temperature, abrasion-, and corrosion-resistant valves to KS/JIS and licensor standards - high-temperature A217 WC9 and F22 gate and globe valves for blast-furnace, coke-oven, and reheating duty, knife gate and pinch valves for sinter, coal, and slurry handling, API 6D ball, gate, and check valves in A216 WCB and A351 CF8M for gas, oxygen, and utility lines, cryogenic valves for the LNG terminal, IBR-equivalent and ASME B16.34 steam valves for the power plants, and API 526 safety-relief valves; KS B flanges and full material certification are required; Vajra Industrial Solutions supplies Gwangyang steelworks, LNG, and power buyers and their EPC and maintenance contractors with high-temperature, abrasion-resistant, cryogenic, and API 6D valve packages with full traceability and export documentation to South Korea.
Critical Valve Requirements
Why Gwangyang's Steel (POSCO Gwangyang Works - world's largest single steelworks) Sector Needs Marine & Offshore Service Valves
Gwangyang on South Korea's southern coast is home to POSCO's Gwangyang Works - the world's largest single-site steelworks - together with a large free-economic-zone port, LNG terminal, and links to the neighbouring Yeosu petrochemical complex; integrated steelmaking and power service demands high-temperature, abrasion-, and corrosion-resistant valves to KS/JIS and licensor standards - high-temperature A217 WC9 and F22 gate and globe valves for blast-furnace, coke-oven, and reheating duty, knife gate and pinch valves for sinter, coal, and slurry handling, API 6D ball, gate, and check valves in A216 WCB and A351 CF8M for gas, oxygen, and utility lines, cryogenic valves for the LNG terminal, IBR-equivalent and ASME B16.34 steam valves for the power plants, and API 526 safety-relief valves; KS B flanges and full material certification are required; Vajra Industrial Solutions supplies Gwangyang steelworks, LNG, and power buyers and their EPC and maintenance contractors with high-temperature, abrasion-resistant, cryogenic, and API 6D valve packages with full traceability and export documentation to South Korea. Key facilities in the Gwangyang area - including POSCO Gwangyang Steelworks, Gwangyang Bay Free Economic Zone, Gwangyang LNG terminal - rely on Trunnion Ball Valve (Super Duplex) for their steel (posco gwangyang works - world's largest single steelworks) operations. Vajra Industrial Solutions supplies Trunnion Ball Valve (Super Duplex), Butterfly Valve (Duplex / Super Duplex), Gate Valve (Slab / Expanding, Offshore Spec), Swing / Tilting Disc Check Valve (Marine Grade) for marine & offshore service projects across South Jeolla, with full API 6D and NORSOK M-710 (Elastomer qualification) compliance documentation - EN 10204 3.1 material test certificates, API 598 pressure test reports, and third-party inspection co-ordination available for every order.
Delivery to Gwangyang
Vajra Industrial Solutions offers export documentation and delivery to Gwangyang in 7–14 business days. Emergency dispatch available for plant shutdowns and critical site requirements.
Also serving: POSCO Gwangyang Steelworks, Gwangyang Bay Free Economic Zone, Gwangyang LNG terminal, Yeosu-Gwangyang petrochemical corridor
FAQ - Marine & Offshore Service Valves in Gwangyang
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Why is standard SS 316 not suitable for offshore seawater service?
What is NORSOK M-710 and why does it matter for offshore valves?
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Marine & Offshore Service Valves - Gwangyang
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