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

- YNV Co., Ltd. is a specialized manufacturer of special valves, including safety valves, pressure reducing valves, and steam traps. The company focuses on supplying critical components for petrochemical, power generation plants, shipbuilding, and marine industries. YNV is actively expanding its business into next-generation eco-friendly energy sectors, such as hydrogen charging systems and LNG carriers. The company excels in providing high-performance valve solutions optimized for extreme environments like ultra-high pressure and ultra-low temperature.YNV Co., Ltd. is a specialized manufacturer of special valves, including safety valves, pressure reducing valves, and steam traps. The company focuses on supplying critical components for petrochemical, power generation plants, shipbuilding, and marine industries. YNV is actively expanding its business into next-generation eco-friendly energy sectors, such as hydrogen charging systems and LNG carriers. The company excels in providing high-performance valve solutions optimized for extreme environments like ultra-high pressure and ultra-low temperature.
- Safety Relief Valve: Offers a diverse range of models including Low Lift Type (LSV-1S), High Lift Type (HSV-3S, HSV-3S1), Full Bore (FSV-1F, FSV-2F, FSV-3F), High Lift Type for Gas (GSV-3S, 4S), Full Bore for Gas (GSV-2F, 3F), and Vacuum Breaker (VSV-1S) [database]. Successful development of safety valves for small and medium-sized enterprises, maintaining stable performance in 250℃ high-temperature environments. Securing safety valve technology for ultra-high pressure hydrogen charging systems.Safety Relief Valve: Offers a diverse range of models including Low Lift Type (LSV-1S), High Lift Type (HSV-3S, HSV-3S1), Full Bore (FSV-1F, FSV-2F, FSV-3F), High Lift Type for Gas (GSV-3S, 4S), Full Bore for Gas (GSV-2F, 3F), and Vacuum Breaker (VSV-1S) [database]. Successful development of safety valves for small and medium-sized enterprises, maintaining stable performance in 250℃ high-temperature environments. Securing safety valve technology for ultra-high pressure hydrogen charging systems.
- Pressure Reducing Valve: Provides a comprehensive product line including DRE-1S, DRE-1F, 2F, PIR-1S, PIR-1F, 2F, DRS-1S, and DRE-3F models [database]. Application of technology to enhance durability and simplify the structure of pressure reducing valves for LNG carriers. Development of pressure reducing valves with bypass filters for easy foreign matter removal and combined pressure reducing valves.Pressure Reducing Valve: Provides a comprehensive product line including DRE-1S, DRE-1F, 2F, PIR-1S, PIR-1F, 2F, DRS-1S, and DRE-3F models [database]. Application of technology to enhance durability and simplify the structure of pressure reducing valves for LNG carriers. Development of pressure reducing valves with bypass filters for easy foreign matter removal and combined pressure reducing valves.
- Steam Trap: Possesses the capability to produce screw-type and flange-type steam traps.Steam Trap: Possesses the capability to produce screw-type and flange-type steam traps.
- Strainer: Supplies a range of strainer products for removing foreign matter from fluids [database, 9].Strainer: Supplies a range of strainer products for removing foreign matter from fluids [database, 9].
- Other Valves: Establishes a diverse portfolio of industrial valves, including primary regulating valves, globe valves, angle valves, air vents, and sight glasses.Other Valves: Establishes a diverse portfolio of industrial valves, including primary regulating valves, globe valves, angle valves, air vents, and sight glasses.
- Core Technologies: Development capabilities for products ensuring perfect performance even in extreme environments, based on proprietary design technology and engineering expertise.Core Technologies: Development capabilities for products ensuring perfect performance even in extreme environments, based on proprietary design technology and engineering expertise.
- Leading Localization Technology: Contributes to domestic technological self-reliance by successfully localizing automatic safety valves in the industrial valve market, which previously relied heavily on imports.Leading Localization Technology: Contributes to domestic technological self-reliance by successfully localizing automatic safety valves in the industrial valve market, which previously relied heavily on imports.
- Extreme Environment Specialized Product Development: Capability to develop and supply valves optimized for demanding conditions such as ultra-high pressure (990bar) hydrogen environments, ultra-low temperature (-196℃) LNG environments, and 250℃ high-temperature environments.Extreme Environment Specialized Product Development: Capability to develop and supply valves optimized for demanding conditions such as ultra-high pressure (990bar) hydrogen environments, ultra-low temperature (-196℃) LNG environments, and 250℃ high-temperature environments.
- Acquisition of Multiple Domestic and International Certifications: Proof of product reliability through extensive certifications meeting stringent domestic and international standards, including international classification societies (DNV, ABS, GL, KR), CE/PED, KC, KGS, and industrial safety.Acquisition of Multiple Domestic and International Certifications: Proof of product reliability through extensive certifications meeting stringent domestic and international standards, including international classification societies (DNV, ABS, GL, KR), CE/PED, KC, KGS, and industrial safety.
- Provision of Customized Solutions: Offers tailored engineering services for designing and manufacturing products according to specific process conditions and technical specifications of client companies.Provision of Customized Solutions: Offers tailored engineering services for designing and manufacturing products according to specific process conditions and technical specifications of client companies.
- Continuous Research and Development and Patent Holdings: Development of new products through its corporate research institute and ownership of over 15 patents, including those for fire-fighting pressure reducing valves and high-pressure safety valves for hydrogen gas.Continuous Research and Development and Patent Holdings: Development of new products through its corporate research institute and ownership of over 15 patents, including those for fire-fighting pressure reducing valves and high-pressure safety valves for hydrogen gas.
- Prompt and Responsible After-Sales Service: Maintains high customer satisfaction through same-day on-site visits for A/S requests and problem resolution without shifting responsibility.Prompt and Responsible After-Sales Service: Maintains high customer satisfaction through same-day on-site visits for A/S requests and problem resolution without shifting responsibility.
- Supply of essential valve solutions to the petrochemical plant industry.Supply of essential valve solutions to the petrochemical plant industry.
- Provision of critical components contributing to the stable operation of power generation plant industries (thermal, nuclear, etc.).Provision of critical components contributing to the stable operation of power generation plant industries (thermal, nuclear, etc.).
- Application of high-performance valves specialized for the shipbuilding and marine industries (LNG carriers, marine equipment).Application of high-performance valves specialized for the shipbuilding and marine industries (LNG carriers, marine equipment).
- Establishment of valve systems optimized for the demanding environments of the GAS & OIL industry.Establishment of valve systems optimized for the demanding environments of the GAS & OIL industry.
- Playing a crucial role in ensuring the safety of hydrogen energy infrastructure (hydrogen charging systems).Playing a crucial role in ensuring the safety of hydrogen energy infrastructure (hydrogen charging systems).
- Possession of product lines widely applicable in general industrial facilities and construction sites.Possession of product lines widely applicable in general industrial facilities and construction sites.
- Strengthening market penetration in safety-related sectors by expanding business into fire-fighting equipment.Strengthening market penetration in safety-related sectors by expanding business into fire-fighting equipment.
- Vietnam, Indonesia, Malaysia, China, Bangladesh, IraqVietnam, Indonesia, Malaysia, China, Bangladesh, Iraq
- Russia, TurkeyRussia, Turkey
- United StatesUnited States
- Certifications: ISO 9001:2009 Quality Management System certification. ISO 14001:2015/45001:2018 Environmental and Occupational Health & Safety Management System certification. Acquisition of Safety Valve Type Approval from Germanischer Lloyd (GL) and Korean Register (KR). Holds Specific Equipment Manufacturing Permit (KGS) and KFI certification for fire-fighting relief valves. Obtained CE/PED certification for pressure reducing valves and strainers, and KC certification for water supply pressure reducing valves. Secured DNV, ABS TYPE APPROVAL for cryogenic safety valves, and Russian/Chinese classification society certifications. Scheduled to acquire ASME UV STAMP in the United States in 2026.Certifications: ISO 9001:2009 Quality Management System certification. ISO 14001:2015/45001:2018 Environmental and Occupational Health & Safety Management System certification. Acquisition of Safety Valve Type Approval from Germanischer Lloyd (GL) and Korean Register (KR). Holds Specific Equipment Manufacturing Permit (KGS) and KFI certification for fire-fighting relief valves. Obtained CE/PED certification for pressure reducing valves and strainers, and KC certification for water supply pressure reducing valves. Secured DNV, ABS TYPE APPROVAL for cryogenic safety valves, and Russian/Chinese classification society certifications. Scheduled to acquire ASME UV STAMP in the United States in 2026.
- Patents: Holds a total of 15 patents. Key patents include fire-fighting pressure reducing valves, safety valves with attached check valves for maintenance, safety valves equipped with spring eccentricity correction devices, and valve devices with adjustable tube lengths. Also, pressure reducing valves with bypass filters for easy foreign matter removal, safety valves with easily adjustable disc opening/closing gaps, and fluid control pressure reducing valve systems. Other patents cover combined pressure reducing valves, high-pressure safety valves for hydrogen gas with back pressure compensation structures, and safety valves with test-friendly disc holder structures.Patents: Holds a total of 15 patents. Key patents include fire-fighting pressure reducing valves, safety valves with attached check valves for maintenance, safety valves equipped with spring eccentricity correction devices, and valve devices with adjustable tube lengths. Also, pressure reducing valves with bypass filters for easy foreign matter removal, safety valves with easily adjustable disc opening/closing gaps, and fluid control pressure reducing valve systems. Other patents cover combined pressure reducing valves, high-pressure safety valves for hydrogen gas with back pressure compensation structures, and safety valves with test-friendly disc holder structures.