DK-LOK® fittings and valves are manufactured to the most stringent industry standards. As a result, DK-LOK® is one of the most certified tube fitting and valve manufacturers in the world. Our guarantee is a leak-tight seal in process, power, and instrumentation applications.

DK-LOK® tube fittings, instrument pipe & weld fittings, and valves are manufactured to stringent industry standards. With the use of only the highest grade raw material and 1/1000″ tolerance control on each and every part, DK-LOK® Fittings and Valves assures a leak-tight seal in all process, power and instrumentation applications.

DK-LOK manufactures tube fittings and valves to the most stringent industry standards...one of the most certified tube fitting & valve manufacturers in the world

DK-Lok Tube Fittings are manufactured in both double ferrule and single ferrule design. Tube Fittings are designed to connect tubing in various systems when media is conveyed from point A to B. DK-Lok Tube Fittings are available in many configurations and materials.

DK-Lok Tube Fittings have been proved to be excellent vacuum tight seal in many applications including analytical industry. DK-Lok Tube Fittings comply with the leakage requirements of TA-LUFT 2002. DK-Lok Fittings in SS316 Stainless Steel provide highly reliable performance on cryogenic application.

Availability Enjoy Dk-Lok tube fitting working your application. Process Valves A valve is a device that regulates, directs or controls the flow of a fluid by closing.

Browse Coupling Fittings in the DK-LOK USA catalog including GCG Series Hex Coupling Fittings,GCGR Series Hex Reducing Coupling Fittings

DK-Lok Canada offers an immense catalogue of instrumentation fittings. All our products, from our tube fittings to hose adapter fittings - are designed using industrial codes and specifications, offering cutting-edge engineering on swaging action and sealing integrity.

Questions about the use of the DK-LOK products? Watch the instruction videos. - VB16 Series Integral Bonnet Needle Valves, V46A series Hex. Body Needle Valves.

Your trusted source for DK-LOK® fittings and valves. Engineered for reliable performance in the most demanding industrial applications. Your bottom line depends on predictability and performance