DH Controls, The Republic of Korea - Komachine Supplier Profile and Product List

- A specialized company manufacturing various valves, special valves, and sensors for shipbuilding equipment and onshore plants. The company handles critical components such as high-temperature valves for ship exhaust gas purification systems (SCR, EGR, SCRUBBER) and screw-down valves penetrating bow bulkheads. Strategic alliances with leading global partners ensure customer trust and reliability. Active engagement in eco-friendly energy sectors contributes to carbon neutrality and climate change mitigation efforts.A specialized company manufacturing various valves, special valves, and sensors for shipbuilding equipment and onshore plants. The company handles critical components such as high-temperature valves for ship exhaust gas purification systems (SCR, EGR, SCRUBBER) and screw-down valves penetrating bow bulkheads. Strategic alliances with leading global partners ensure customer trust and reliability. Active engagement in eco-friendly energy sectors contributes to carbon neutrality and climate change mitigation efforts.
- Ship Exhaust Gas Control Valves: High-temperature valves for high-pressure and low-pressure engine SCR, EGR, and SCRUBBER systems, including SCR LP dampers, SCR HP valves, EGR valves, and air sealing dampers.Ship Exhaust Gas Control Valves: High-temperature valves for high-pressure and low-pressure engine SCR, EGR, and SCRUBBER systems, including SCR LP dampers, SCR HP valves, EGR valves, and air sealing dampers.
- Screw Down Valve Control System: Valves installed in pipes penetrating bow bulkheads, complying with SOLAS Chap. Ⅱ-1 / Part B-2-Reg. 12.5.1 standards and utilizing double-acting multi-turn hydraulic actuators. This technology was developed as a world-first through joint efforts with Hyundai Heavy Industries.Screw Down Valve Control System: Valves installed in pipes penetrating bow bulkheads, complying with SOLAS Chap. Ⅱ-1 / Part B-2-Reg. 12.5.1 standards and utilizing double-acting multi-turn hydraulic actuators. This technology was developed as a world-first through joint efforts with Hyundai Heavy Industries.
- Cryogenic Control Valves: Ultra-low temperature valves and Emergency Shut-down (ESD) systems essential for LNG carriers and bunkering systems.Cryogenic Control Valves: Ultra-low temperature valves and Emergency Shut-down (ESD) systems essential for LNG carriers and bunkering systems.
- Hydraulic Control Systems: Product lines including multi-turn actuators (HGT-MR, HGL-MR, HAG-MR), linear actuators (HAL), rotary actuators (HAR), transmitters (MH-ML, MT-ML, DS), and hydraulic power packs (MHPP, MHPB, MHPU). Hydraulic actuators use Mineral Oil (ISO VG15~32) as operating fluid, functioning within a temperature range of -20℃ to 80℃ and a maximum operating pressure of 135 bar.Hydraulic Control Systems: Product lines including multi-turn actuators (HGT-MR, HGL-MR, HAG-MR), linear actuators (HAL), rotary actuators (HAR), transmitters (MH-ML, MT-ML, DS), and hydraulic power packs (MHPP, MHPB, MHPU). Hydraulic actuators use Mineral Oil (ISO VG15~32) as operating fluid, functioning within a temperature range of -20℃ to 80℃ and a maximum operating pressure of 135 bar.
- Engine Parts & Controllers: Diverse engine-related control components such as shut-off valves, relief valves, manual/motor type air waste gate valves, 3-way rotary valves, 2-way control valves, electro & electro-pneumatic controllers, and pneumatic controllers.Engine Parts & Controllers: Diverse engine-related control components such as shut-off valves, relief valves, manual/motor type air waste gate valves, 3-way rotary valves, 2-way control valves, electro & electro-pneumatic controllers, and pneumatic controllers.
- Pressure Regulating & Reducing Valves: Precision fluid control solutions including pressure regulating valves (RG-CY, RG-DP), pressure reducing valves (RD-DP, RD-PL, RD-CH), 2-way temperature regulating valves (TR-BL, TR-DT, TR-PL), and 3-way wax temperature regulating valves.Pressure Regulating & Reducing Valves: Precision fluid control solutions including pressure regulating valves (RG-CY, RG-DP), pressure reducing valves (RD-DP, RD-PL, RD-CH), 2-way temperature regulating valves (TR-BL, TR-DT, TR-PL), and 3-way wax temperature regulating valves.
- Eco-friendly Fuel Systems: Development and commercialization of methanol block safety units (SVU) and localization of hydrogen valves, representing innovative future fuel system technologies.Eco-friendly Fuel Systems: Development and commercialization of methanol block safety units (SVU) and localization of hydrogen valves, representing innovative future fuel system technologies.
- Smart Monitoring System: A comprehensive solution integrating AI-based predictive maintenance technology to maximize equipment safety and operational efficiency.Smart Monitoring System: A comprehensive solution integrating AI-based predictive maintenance technology to maximize equipment safety and operational efficiency.
- Unique Technological Prowess: Possessing unique technological capabilities in cryogenic valves for LNG carriers and bunkering systems, and exhaust gas control valves for international environmental regulations. Accumulated technical expertise through numerous government R&D projects and patent acquisitions.Unique Technological Prowess: Possessing unique technological capabilities in cryogenic valves for LNG carriers and bunkering systems, and exhaust gas control valves for international environmental regulations. Accumulated technical expertise through numerous government R&D projects and patent acquisitions.
- Leading Eco-friendly Technology: Contributing to the reduction of nitrogen oxide emissions by supplying components for SCR and EGR systems in response to stricter International Maritime Organization (IMO) regulations. Leading the eco-friendly market by developing exhaust gas after-treatment and fuel supply systems for alternative fuel vessels such as methanol, ammonia, and hydrogen.Leading Eco-friendly Technology: Contributing to the reduction of nitrogen oxide emissions by supplying components for SCR and EGR systems in response to stricter International Maritime Organization (IMO) regulations. Leading the eco-friendly market by developing exhaust gas after-treatment and fuel supply systems for alternative fuel vessels such as methanol, ammonia, and hydrogen.
- Major Engine Manufacturer Certifications and Partnerships: Recognized by MAN, the world's largest marine engine manufacturer, for excellent durability and operational stability, achieving the first domestic Tier III Valve (Group 1~4) certification. Established close cooperative relationships with major domestic and international shipyards and engine manufacturers, including the world's first screw-down valve developed jointly with Hyundai Heavy Industries.Major Engine Manufacturer Certifications and Partnerships: Recognized by MAN, the world's largest marine engine manufacturer, for excellent durability and operational stability, achieving the first domestic Tier III Valve (Group 1~4) certification. Established close cooperative relationships with major domestic and international shipyards and engine manufacturers, including the world's first screw-down valve developed jointly with Hyundai Heavy Industries.
- Comprehensive Solution Provider: Evolving from a mere component supplier to a comprehensive solution provider by developing an AI-based smart monitoring system that integrates predictive maintenance technology to maximize equipment safety and operational efficiency.Comprehensive Solution Provider: Evolving from a mere component supplier to a comprehensive solution provider by developing an AI-based smart monitoring system that integrates predictive maintenance technology to maximize equipment safety and operational efficiency.
- Rigorous Quality Control: Possessing self-developed equipment capable of testing product performance and durability under conditions similar to ship engine exhaust gas environments. Ensures high reliability through a full inspection system for all manufactured products.Rigorous Quality Control: Possessing self-developed equipment capable of testing product performance and durability under conditions similar to ship engine exhaust gas environments. Ensures high reliability through a full inspection system for all manufactured products.
- Sustainable Growth Potential: Designated as a 'Jump-Up Program' candidate by the Ministry of SMEs and Startups, demonstrating significant growth potential as a specialized valve manufacturer. Achieved rapid growth with an average annual increase of over 40%, reaching 20 billion KRW in sales in 2023.Sustainable Growth Potential: Designated as a 'Jump-Up Program' candidate by the Ministry of SMEs and Startups, demonstrating significant growth potential as a specialized valve manufacturer. Achieved rapid growth with an average annual increase of over 40%, reaching 20 billion KRW in sales in 2023.
- Shipbuilding and Offshore Plant Industry: Key equipment for high-value-added vessels such as LNG carriers, LNG bunkering vessels, and offshore plants.Shipbuilding and Offshore Plant Industry: Key equipment for high-value-added vessels such as LNG carriers, LNG bunkering vessels, and offshore plants.
- Ship Exhaust Gas After-treatment Systems: SCR, EGR, and scrubber systems addressing International Maritime Organization (IMO) regulations.Ship Exhaust Gas After-treatment Systems: SCR, EGR, and scrubber systems addressing International Maritime Organization (IMO) regulations.
- Onshore Power Generation and Industrial Plants: Industrial valves and actuators required for stable operation in extreme high-temperature and high-pressure environments, such as gas turbines in combined cycle power plants.Onshore Power Generation and Industrial Plants: Industrial valves and actuators required for stable operation in extreme high-temperature and high-pressure environments, such as gas turbines in combined cycle power plants.
- Eco-friendly Energy Industry: Valves and safety systems related to future fuel systems like methanol, ammonia, and hydrogen infrastructure.Eco-friendly Energy Industry: Valves and safety systems related to future fuel systems like methanol, ammonia, and hydrogen infrastructure.
- South Korea, Japan, ChinaSouth Korea, Japan, China
- HungaryHungary
- Patents: 37 patents held.Patents: 37 patents held.
- Government Projects: 18 government projects undertaken.Government Projects: 18 government projects undertaken.
- MAN Diesel&Turbo Tier III Valve (Group 1~4) Certification.MAN Diesel&Turbo Tier III Valve (Group 1~4) Certification.
- ISO 9001 (Quality Management System) Certification.ISO 9001 (Quality Management System) Certification.
- ISO 14001 (Environmental Management System) Certification.ISO 14001 (Environmental Management System) Certification.
- ISO 45001 (Occupational Health and Safety Management System) Certification.ISO 45001 (Occupational Health and Safety Management System) Certification.
- Intellectual Property Management Certification (Korean Intellectual Property Office).Intellectual Property Management Certification (Korean Intellectual Property Office).
- Innovative Small and Medium Business (Inno-Biz) Certification.Innovative Small and Medium Business (Inno-Biz) Certification.
- Venture Company Certification.Venture Company Certification.
- Promising Export SME Certification.Promising Export SME Certification.
- Risk Assessment Certified Workplace (Korea Occupational Safety and Health Agency).Risk Assessment Certified Workplace (Korea Occupational Safety and Health Agency).
- Company-affiliated Research Institute Recognition.Company-affiliated Research Institute Recognition.
- K-STAR Company Selection (Korea Testing & Research Institute).K-STAR Company Selection (Korea Testing & Research Institute).
- Busan Regional Star Company (Pre-Champ) Certification.Busan Regional Star Company (Pre-Champ) Certification.
- Materials/Parts/Equipment Specialized Company Certification.Materials/Parts/Equipment Specialized Company Certification.
- Innovative Growth Type Venture Business Certification.Innovative Growth Type Venture Business Certification.
- K-Preliminary Unicorn Candidate Company Selection (Korea SMEs and Startups Agency).K-Preliminary Unicorn Candidate Company Selection (Korea SMEs and Startups Agency).