DK-Lok 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 assures a leak-tight seal in all process, power, and instrumentation applications. Testaments to DK-Lok’s quality are their N and NPT stamps awarded by ASME for the use of their products in Nuclear applications. In addition, DK-Lok has obtained approvals from such agencies as Lloyd’s Register, DN, ABS, etc; making them one of the most certified tube fitting and valve manufactures in the world.


Tube Fittings

Ball and Plug Valves

Needle Valves

Check Valves

Relief, Excess Flow, Bleed, Purge Valves

Manifolds,GaugeĀ  Root Valves,Filters

Quick Connectors