DK-LOK® – Certified Tube Fittings and Valves You Can Trust

Since 1986, DK-LOK® has been a leading manufacturer of precision tube fittings and valves, trusted across critical industries for their leak-tight performance and exceptional quality. With rigorous manufacturing standards and ISO certifications, DK-LOK® products are engineered for reliability in demanding applications.

From instrumentation systems to process control and hydraulic operations, DK-LOK® components are used where safety and accuracy matter most. Their fittings and valves are interchangeable with major industry brands and are backed by decades of proven performance.

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DK-LOK® Products Available at PipingNow

• Tube Fittings: Male and female connectors, elbows, tees, unions, adapters, and more.
• Weld & Flare Adapters: Tube-to-pipe butt welds, JIC flare unions, and reducing options.
• Ferrules, Plugs & Caps: Front and rear ferrules, thread plugs, and sealing caps for complete system security.

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Order DK-LOK® fittings from PipingNow for fast shipping and expert support. Questions? Email info@pipingnow.com or call 833.290.3800 today.