Our Journey of Growth and Excellence

DK-Lok Corporation is a South Korean company specializing in Instrumentation Fittings & Valves, Ultra High Purity (UHP) Products, and high-performance Process Ball Valves. Established in 1986, DK-Lok has been listed in the Korean Stock Market (KOSDAQ) since 2010. The company prioritizes customer satisfaction, delivering high-quality and high-performance products.

DK-Lok serves major global industries, including:

Oil & Gas
Shipbuilding
EPC Plant
Petrochemical
Analytical Equipment
Hydrogen Fuel Cell & CNG
Semiconductor
Rolling Stock

The company exports its products to nearly 50 countries, working with over 100 distributors worldwide.

DK-Lok maintains key industry certifications, ensuring top product quality and reliability:

Quality Certifications: API Q1, ASME N, ASME NS, ASME NPT, ISO, AS9100, KEPIC
Product Certifications: API 6D, API 6DSS, ABS, BV, DNV-GL, KR, LR
Country-Specific Certifications: Canada (CRN), Russia (TR-CU), Netherlands (SNCH)

Above all, DK-Lok focuses on exceeding customer expectations through continuous innovation and technical excellence, aiming to be the world’s best manufacturer in the industry.

years of experience

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overseas project

Explore the Superior Quality of DK Lok Fittings and Valves

DK Lok is renowned for its precision-engineered fittings and valves, designed to meet the rigorous demands of various industrial applications. At HNP Equipment, we provide access to these high-quality components, ensuring reliability and optimal performance for your operations. Discover how DK Lok can enhance your systems.

DK-LOK Precision Fittings for Secure Connections

DK-Lok's VR Series Tube Fittings feature a patented HOOK design, preventing loosening under extreme vibration—ideal for turbines, compressors, and hazardous environments.
DK-Lok uses SS316, Monel 400, Alloy 625, and Super Duplex for extreme environments, these fittings provide exceptional resistance to corrosion and extreme temperatures, making them ideal for offshore, petrochemical, LNG, and power plant applications.

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DK-LOK High-Performance Valves for Flow Control

Engineered for durability and precision, DK Lok valves ensure efficient flow control in demanding environments. Benefit from reduced downtime and enhanced operational safety. DK-Lok DBB Valves are engineered to offer superior leak prevention and system isolation. Manufactured with Alloy 625 and specialized materials, these valves ensure safe operations in hazardous environments, including offshore platforms, cryogenic systems, and high-pressure industrial settings.

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DK-LOK Easy Installation and Maintenance

DK Lok products are designed for straightforward installation and minimal maintenance, reducing operational costs and increasing productivity. Experience hassle-free performance.

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