Overview
- Summary
- DK-LOK Corp. is a specialized manufacturer of instrumentation fittings and valves, established in 1986. The company offers a diverse product portfolio including tube fittings, ball valves, bellows valves, tubes, and tools. It has established technical partnerships with major global marine equipment manufacturers, including the 'Big 3' domestic offshore plant leaders, driving the new offshore plant era. Recognized for its technical capabilities and customer satisfaction comparable to Swagelok, the world's largest fitting and valve manufacturer, the company actively explores global markets. Currently, it exports products to over 40 countries, demonstrating continuous growth as a global hidden champion.DK-LOK Corp. is a specialized manufacturer of instrumentation fittings and valves, established in 1986. The company offers a diverse product portfolio including tube fittings, ball valves, bellows valves, tubes, and tools. It has established technical partnerships with major global marine equipment manufacturers, including the 'Big 3' domestic offshore plant leaders, driving the new offshore plant era. Recognized for its technical capabilities and customer satisfaction comparable to Swagelok, the world's largest fitting and valve manufacturer, the company actively explores global markets. Currently, it exports products to over 40 countries, demonstrating continuous growth as a global hidden champion.
- Key Products/Technologies
- DK-Lok Tube Fittings: DK-Lok VRSeries, DK-Lok Z Series Fittings, Hose Adapter Fittings, Instrumentation Pipe & Weld Fittings, Hydraulic Pipe Fittings, Bite type Fittings (JIS, DIN), DO Series O-Ring Face Seal Fittings, and various other tube fitting products. Patented tube coupling technology for enhanced airtightness through sealing installation.DK-Lok Tube Fittings: DK-Lok VRSeries, DK-Lok Z Series Fittings, Hose Adapter Fittings, Instrumentation Pipe & Weld Fittings, Hydraulic Pipe Fittings, Bite type Fittings (JIS, DIN), DO Series O-Ring Face Seal Fittings, and various other tube fitting products. Patented tube coupling technology for enhanced airtightness through sealing installation.
- DK-Lok Valves: V63, V33, VP33, VA33, VDA33, VH36, VL36 Series, VM 1D, 3D, 6D and VMH Series, DQ, DQM, DF Series ball valves, bellows valves, check valves, needle valves, diaphragm valves, gauge valves, quick connects, and relief valves, covering a comprehensive range of valve products.DK-Lok Valves: V63, V33, VP33, VA33, VDA33, VH36, VL36 Series, VM 1D, 3D, 6D and VMH Series, DQ, DQM, DF Series ball valves, bellows valves, check valves, needle valves, diaphragm valves, gauge valves, quick connects, and relief valves, covering a comprehensive range of valve products.
- Core Technologies: Corrosion-resistant ferrules with unique selective case hardening technology, ensuring leak-tight performance and intermixability with Swagelok products through comprehensive ASTM F-1387 testing. Vibration-resistant design (Patent No. 10-2012-0042936) and error-proofing design (Patent No. 10-2011-0130057) technologies.Core Technologies: Corrosion-resistant ferrules with unique selective case hardening technology, ensuring leak-tight performance and intermixability with Swagelok products through comprehensive ASTM F-1387 testing. Vibration-resistant design (Patent No. 10-2012-0042936) and error-proofing design (Patent No. 10-2011-0130057) technologies.
- Ultra-high Purity Piping Systems: Essential components for semiconductor manufacturing, including ultra-high purity piping systems and related fitting fixture patent technology.Ultra-high Purity Piping Systems: Essential components for semiconductor manufacturing, including ultra-high purity piping systems and related fitting fixture patent technology.
- Hydrogen-related Product Technologies: Key component technologies for the hydrogen industry, such as safety valves, regulators, and high-pressure valves for hydrogen fueling stations.Hydrogen-related Product Technologies: Key component technologies for the hydrogen industry, such as safety valves, regulators, and high-pressure valves for hydrogen fueling stations.
- Core Advantages
- World-Class Technical Prowess: A company recognized for technical capabilities and quality on par with Swagelok, the world's largest fitting and valve manufacturer. Guaranteed leak-free performance and perfect interchangeability with Swagelok products based on ASTM F-1387 standards.World-Class Technical Prowess: A company recognized for technical capabilities and quality on par with Swagelok, the world's largest fitting and valve manufacturer. Guaranteed leak-free performance and perfect interchangeability with Swagelok products based on ASTM F-1387 standards.
- Extensive International Certifications and Standard Compliance: Holds numerous international classification and quality certifications including ASME N, NPT, NS STAMP (second globally, first in Korea), API, PED, ISO, ABS, DNV, LR, TUV. Capability to produce products meeting stringent industry standards.Extensive International Certifications and Standard Compliance: Holds numerous international classification and quality certifications including ASME N, NPT, NS STAMP (second globally, first in Korea), API, PED, ISO, ABS, DNV, LR, TUV. Capability to produce products meeting stringent industry standards.
- Continuous R&D and Production Facility Investment: Building a foundation for sustained growth through human resource development and R&D for new technology advancement. Operates Korea's first R&D center for heat exchange test equipment design. Manages a new plant with a fully automated production line spanning 17,000 square meters.Continuous R&D and Production Facility Investment: Building a foundation for sustained growth through human resource development and R&D for new technology advancement. Operates Korea's first R&D center for heat exchange test equipment design. Manages a new plant with a fully automated production line spanning 17,000 square meters.
- Global Market Expansion and Service Network: Exports to over 40 countries worldwide with a global distribution network of 124 distributors in 45 countries. Strengthening local presence and expanding distribution partnerships in key markets such as North America, Europe, Asia, and the Middle East.Global Market Expansion and Service Network: Exports to over 40 countries worldwide with a global distribution network of 124 distributors in 45 countries. Strengthening local presence and expanding distribution partnerships in key markets such as North America, Europe, Asia, and the Middle East.
- Differentiated Quality Control and Customer Satisfaction Services: Maintains a stringent quality control system with Single PPM (less than 10 failures per million parts) certification, authorized by the Korean Government since 2007. Provides differentiated high-quality technology and services with a focus on customer satisfaction.Differentiated Quality Control and Customer Satisfaction Services: Maintains a stringent quality control system with Single PPM (less than 10 failures per million parts) certification, authorized by the Korean Government since 2007. Provides differentiated high-quality technology and services with a focus on customer satisfaction.
- Competitive Pricing and Lead Times: Offers reasonable pricing compared to competitors and ensures fast delivery through an efficient production system.Competitive Pricing and Lead Times: Offers reasonable pricing compared to competitors and ensures fast delivery through an efficient production system.
- Target Industrie
- Oil & Gas Industry (Offshore & Onshore): Oil and gas exploration, offshore and onshore platforms, safety instrumented systems, wellhead control panels, emergency shutdown systems.Oil & Gas Industry (Offshore & Onshore): Oil and gas exploration, offshore and onshore platforms, safety instrumented systems, wellhead control panels, emergency shutdown systems.
- Chemical & Petrochemical Industry: Research laboratories, pilot plants, analytical instrumentation, process control instrumentation.Chemical & Petrochemical Industry: Research laboratories, pilot plants, analytical instrumentation, process control instrumentation.
- Shipbuilding & Marine Industry: Shipbuilding and marine engines, offshore plants, military vessels and specialized equipment, nuclear submarine reactor auxiliary systems, cooling systems, hydraulic/gas piping systems.Shipbuilding & Marine Industry: Shipbuilding and marine engines, offshore plants, military vessels and specialized equipment, nuclear submarine reactor auxiliary systems, cooling systems, hydraulic/gas piping systems.
- Power Generation Industry: Nuclear, thermal, and hydroelectric power generation facilities, power plants.Power Generation Industry: Nuclear, thermal, and hydroelectric power generation facilities, power plants.
- Semiconductor & Display Industry: Measurement equipment and semiconductor fields, ultra-high purity piping systems.Semiconductor & Display Industry: Measurement equipment and semiconductor fields, ultra-high purity piping systems.
- CNG/RNG/NGV & Hydrogen Industry: CNG/NGV vehicles, hydrogen fueling stations, hydrogen fuel cells.CNG/RNG/NGV & Hydrogen Industry: CNG/NGV vehicles, hydrogen fueling stations, hydrogen fuel cells.
- Aerospace & Defense Industry: Localization projects for aerospace piping fitting components, supply of parts for KAI's KF21 Boramae prototype, special processes for aerospace and defense industries.Aerospace & Defense Industry: Localization projects for aerospace piping fitting components, supply of parts for KAI's KF21 Boramae prototype, special processes for aerospace and defense industries.
- Major Markets
- African regionAfrican region
- South Korea, Japan, China, Middle East region, Southeast AsiaSouth Korea, Japan, China, Middle East region, Southeast Asia
- Germany, United Kingdom, France, Russia, European regionGermany, United Kingdom, France, Russia, European region
- United States, Canada, North American regionUnited States, Canada, North American region
- Australia, Oceania regionAustralia, Oceania region
- South American regionSouth American region
- Certifications/Patents
- ASME N, NPT, NS STAMP certifications (second globally, first in Korea).ASME N, NPT, NS STAMP certifications (second globally, first in Korea).
- API (API-6A, API-6D, API-6DSS) certifications.API (API-6A, API-6D, API-6DSS) certifications.
- PED (97/23/EC) certification.PED (97/23/EC) certification.
- ISO 9001, ISO 14001, OHSAS 18001 certifications.ISO 9001, ISO 14001, OHSAS 18001 certifications.
- Classification Society Certifications: LR (Lloyd's Register), GL (Germanischer Lloyd), ABS (American Bureau of Shipping), DNV (Det Norske Veritas), RWTUV, NK (Nippon Kaiji Kyokai), KR (Korean Register of Shipping).Classification Society Certifications: LR (Lloyd's Register), GL (Germanischer Lloyd), ABS (American Bureau of Shipping), DNV (Det Norske Veritas), RWTUV, NK (Nippon Kaiji Kyokai), KR (Korean Register of Shipping).
- NADCAP (National Aerospace and Defense Contractors Accreditation Program) certification.NADCAP (National Aerospace and Defense Contractors Accreditation Program) certification.
- Patents: Partially carbonitriding heat treated stainless steel ferrule and manufacturing method thereof (US Patent No. 9695498, 9631747), Partial heat treatment method in salt bath at low temperature (US Patent No. 9534284).Patents: Partially carbonitriding heat treated stainless steel ferrule and manufacturing method thereof (US Patent No. 9695498, 9631747), Partial heat treatment method in salt bath at low temperature (US Patent No. 9534284).
- Patents: Tube coupling for tube connection and assembly (improved airtightness).Patents: Tube coupling for tube connection and assembly (improved airtightness).
- Patents: Safety valves, regulators, and high-pressure valves for hydrogen fueling stations.Patents: Safety valves, regulators, and high-pressure valves for hydrogen fueling stations.
- Patents: Fitting fixtures for semiconductor gas piping.Patents: Fitting fixtures for semiconductor gas piping.
- Patents: Vibration Resistant design (Patent No. 10-2012-0042936), Error proofing design (Patent No. 10-2011-0130057).Patents: Vibration Resistant design (Patent No. 10-2012-0042936), Error proofing design (Patent No. 10-2011-0130057).
Introduction
Key Products
Location
7 Golden root-ro 129beon-gil, Juchon-myeon, Gimhae, Gyeongsangnam-do, South Korea
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