Overview
- Summary
- JOKWANG ILI Co., Ltd. is a specialized manufacturer that has focused on the development of industrial special automatic valves for over 50 years since its establishment in 1968. The company primarily produces safety valves, pressure reducing valves, and steam traps. It provides essential pressure control solutions for critical facilities in national key industries such as power plants, petrochemicals, and shipbuilding and offshore plants. Recently, the company has been pursuing sustainable growth by expanding its business into eco-friendly future industries like LNG and hydrogen energy.JOKWANG ILI Co., Ltd. is a specialized manufacturer that has focused on the development of industrial special automatic valves for over 50 years since its establishment in 1968. The company primarily produces safety valves, pressure reducing valves, and steam traps. It provides essential pressure control solutions for critical facilities in national key industries such as power plants, petrochemicals, and shipbuilding and offshore plants. Recently, the company has been pursuing sustainable growth by expanding its business into eco-friendly future industries like LNG and hydrogen energy.
- Key Products/Technologies
- Safety Valves: These valves automatically operate when fluid pressure in boilers, pressure vessels, and instrumentation exceeds preset limits, with ASME (UV & V Stamp) certification and inspection by KOSHA and Korea Gas Safety Corporation. The company offers various models including JSV-FF41, JSV-BF31, JSV-HF91, JSV-HT Series (JSV-HT41, JSV-HT91), JSV-FF100, JSV-FF200, and JSV-PF100. Notably, the JSV-HT91 model ensures corrosion resistance and durability for hydrogen environments.Safety Valves: These valves automatically operate when fluid pressure in boilers, pressure vessels, and instrumentation exceeds preset limits, with ASME (UV & V Stamp) certification and inspection by KOSHA and Korea Gas Safety Corporation. The company offers various models including JSV-FF41, JSV-BF31, JSV-HF91, JSV-HT Series (JSV-HT41, JSV-HT91), JSV-FF100, JSV-FF200, and JSV-PF100. Notably, the JSV-HT91 model ensures corrosion resistance and durability for hydrogen environments.
- Pressure Reducing Valves: These valves reduce primary fluid pressure to a desired secondary pressure by adjusting the opening degree based on fluid energy. Their self-actuated structure eliminates the need for auxiliary equipment, facilitating easy installation and maintenance. The product lineup includes models such as JRV-ST13,21, JRV-ST41,SF41, JRV-SF11/SF16 (Pilot Operating Type), JRV-SF14/SF24D (Direct Acting Type), and JRV-ST11/ST17. The direct-acting diaphragm type pressure reducing valve for low-pressure gases features a high single reduction ratio of up to 300:1 and a single seat structure preventing seat leakage.Pressure Reducing Valves: These valves reduce primary fluid pressure to a desired secondary pressure by adjusting the opening degree based on fluid energy. Their self-actuated structure eliminates the need for auxiliary equipment, facilitating easy installation and maintenance. The product lineup includes models such as JRV-ST13,21, JRV-ST41,SF41, JRV-SF11/SF16 (Pilot Operating Type), JRV-SF14/SF24D (Direct Acting Type), and JRV-ST11/ST17. The direct-acting diaphragm type pressure reducing valve for low-pressure gases features a high single reduction ratio of up to 300:1 and a single seat structure preventing seat leakage.
- Steam Traps: Automatic valves designed to efficiently discharge condensate from steam systems and prevent steam leakage. Ball float type steam traps (JTR-FF12), utilizing buoyancy, are used in steam equipment like heat exchangers, unit heaters, and dryers, offering excellent energy-saving efficiency. Key components are precisely machined from stainless steel for superior durability, and an air vent capsule is integrated to prevent air lock. Models include JTL-EF31, JTL-ST31, JTL-TF31, JTR-BT21, JTR-DT31, and JTR-DF21.Steam Traps: Automatic valves designed to efficiently discharge condensate from steam systems and prevent steam leakage. Ball float type steam traps (JTR-FF12), utilizing buoyancy, are used in steam equipment like heat exchangers, unit heaters, and dryers, offering excellent energy-saving efficiency. Key components are precisely machined from stainless steel for superior durability, and an air vent capsule is integrated to prevent air lock. Models include JTL-EF31, JTL-ST31, JTL-TF31, JTR-BT21, JTR-DT31, and JTR-DF21.
- Strainers: Devices used to remove scale and impurities from various pipelines, preventing malfunctions in downstream equipment such as pressure reducing valves, control valves, and steam traps. Models like JST-YT11/JST-YT12 (Y-Type) and JST-YT42 contribute to maintaining system cleanliness.Strainers: Devices used to remove scale and impurities from various pipelines, preventing malfunctions in downstream equipment such as pressure reducing valves, control valves, and steam traps. Models like JST-YT11/JST-YT12 (Y-Type) and JST-YT42 contribute to maintaining system cleanliness.
- Other Products: The company also manufactures a range of other industrial valves and related devices, including globe valves, temperature control valves, air vents, air traps, sight glasses, sight checks, and changeover valves.Other Products: The company also manufactures a range of other industrial valves and related devices, including globe valves, temperature control valves, air vents, air traps, sight glasses, sight checks, and changeover valves.
- Core Advantages
- Over Half a Century of Expertise and Accumulated Technology: The company possesses unparalleled technical expertise and know-how accumulated over 50 years of dedicated valve development since its founding in 1968. This extensive experience forms the foundation for providing customized solutions that meet diverse industrial demands.Over Half a Century of Expertise and Accumulated Technology: The company possesses unparalleled technical expertise and know-how accumulated over 50 years of dedicated valve development since its founding in 1968. This extensive experience forms the foundation for providing customized solutions that meet diverse industrial demands.
- World-Class International Certifications and Quality Competitiveness: JOKWANG ILI has obtained numerous international certifications, including ASME (UV & V Stamp) for capacity and quality, CE (PED) Mark, TR-CU (Russia), RS Class, BV, and K.R., ensuring global credibility and competitiveness.World-Class International Certifications and Quality Competitiveness: JOKWANG ILI has obtained numerous international certifications, including ASME (UV & V Stamp) for capacity and quality, CE (PED) Mark, TR-CU (Russia), RS Class, BV, and K.R., ensuring global credibility and competitiveness.
- Possession of Korea's Only Large-Scale Safety Valve Test Facility: The company operates the only large-scale safety valve test facility in Korea capable of testing steam up to 225kg, validating product stability and reliability. This capability also allows the company to respond to testing requests from domestic and international research institutions and companies.Possession of Korea's Only Large-Scale Safety Valve Test Facility: The company operates the only large-scale safety valve test facility in Korea capable of testing steam up to 225kg, validating product stability and reliability. This capability also allows the company to respond to testing requests from domestic and international research institutions and companies.
- Leading Localization of Core Valves and Future Industry Technologies: Successful development of Korea's first Balanced Bellows Type Safety Relief Valve and completion of localization for Main Steam Safety Valves (MSSV) for nuclear power plants. The company is a technology leader expanding into eco-friendly future industries like LNG and hydrogen energy, contributing to the safety of hydrogen infrastructure. It is also pursuing the localization of Pilot Operated Safety Relief Valves (POSRV), contributing to the technological self-reliance of critical nuclear power components.Leading Localization of Core Valves and Future Industry Technologies: Successful development of Korea's first Balanced Bellows Type Safety Relief Valve and completion of localization for Main Steam Safety Valves (MSSV) for nuclear power plants. The company is a technology leader expanding into eco-friendly future industries like LNG and hydrogen energy, contributing to the safety of hydrogen infrastructure. It is also pursuing the localization of Pilot Operated Safety Relief Valves (POSRV), contributing to the technological self-reliance of critical nuclear power components.
- Extensive Domestic and International Sales Network with Prompt After-Sales Service: JOKWANG ILI has established a broad sales network through over 30 domestic dealerships and overseas export partners in regions like China and Southeast Asia. The company enhances customer satisfaction through a prompt and thorough after-sales service system.Extensive Domestic and International Sales Network with Prompt After-Sales Service: JOKWANG ILI has established a broad sales network through over 30 domestic dealerships and overseas export partners in regions like China and Southeast Asia. The company enhances customer satisfaction through a prompt and thorough after-sales service system.
- Target Industrie
- Power Plants (including thermal and nuclear power generation facilities)Power Plants (including thermal and nuclear power generation facilities)
- Petrochemical PlantsPetrochemical Plants
- Shipbuilding and Offshore PlantsShipbuilding and Offshore Plants
- Gas Industry (LNG, Hydrogen Energy Infrastructure)Gas Industry (LNG, Hydrogen Energy Infrastructure)
- Chemical PlantsChemical Plants
- Mid-to-High-Rise Buildings (water supply pressure control systems)Mid-to-High-Rise Buildings (water supply pressure control systems)
- Heat Exchangers, Unit Heaters, Drying EquipmentHeat Exchangers, Unit Heaters, Drying Equipment
- General Industrial Pipeline SystemsGeneral Industrial Pipeline Systems
- Major Markets
- China, Southeast AsiaChina, Southeast Asia
- Russia, UkraineRussia, Ukraine
- United States (ASME certification)United States (ASME certification)
- Certifications/Patents
- ASME (American Society of Mechanical Engineers) 'UV' & 'V' Stamp capacity and quality certification (for the manufacture of pressure vessel pressure relief valves, valid until March 14, 2027).ASME (American Society of Mechanical Engineers) 'UV' & 'V' Stamp capacity and quality certification (for the manufacture of pressure vessel pressure relief valves, valid until March 14, 2027).
- CE (Conformite Europeene) Mark / PED certification (obtained December 2017).CE (Conformite Europeene) Mark / PED certification (obtained December 2017).
- TR-CU (Customs Union Technical Regulations of Russia) certification (obtained August 2017).TR-CU (Customs Union Technical Regulations of Russia) certification (obtained August 2017).
- RS Class (Russia) Type Approval acquisition (November 2017).RS Class (Russia) Type Approval acquisition (November 2017).
- Bureau Veritas (BV) Type Approval Certificate (for liquefied gas piping system pressure relief valve model JSV-FF100).Bureau Veritas (BV) Type Approval Certificate (for liquefied gas piping system pressure relief valve model JSV-FF100).
- Korean Register (K.R.) Type Approval Certificate (for boiler safety relief valve models JSV-FF11, JSV-FF21, JSV-FF41, valid until April 19, 2028).Korean Register (K.R.) Type Approval Certificate (for boiler safety relief valve models JSV-FF11, JSV-FF21, JSV-FF41, valid until April 19, 2028).
- ISO 9001, 14001, OHSAS 18001 quality management system certifications.ISO 9001, 14001, OHSAS 18001 quality management system certifications.
- KS (Korean Industrial Standards) mark approval and EM Mark (for bellows type safety valves) acquisition.KS (Korean Industrial Standards) mark approval and EM Mark (for bellows type safety valves) acquisition.
- Certification by Korea Occupational Safety & Health Agency (KOSHA) and inspection by Korea Gas Safety Corporation.Certification by Korea Occupational Safety & Health Agency (KOSHA) and inspection by Korea Gas Safety Corporation.
- Technological capability for the successful development of Korea's first Balanced Bellows Type Safety Relief Valve and completion of localization for Main Steam Safety Valves (MSSV) for nuclear power plants.Technological capability for the successful development of Korea's first Balanced Bellows Type Safety Relief Valve and completion of localization for Main Steam Safety Valves (MSSV) for nuclear power plants.
- Possession of international patents for power generation facilities and unique manufacturing technology for missile propulsion devices.Possession of international patents for power generation facilities and unique manufacturing technology for missile propulsion devices.
Introduction
Key Products
Location
37 Sanmakgongdanbuk 10-gil, Yangsan, Gyeongsangnam-do, South Korea
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