DFW
VALVE
& FITTING

NEW PRODUCT! 

TWISTMax Actuators--Small, Strong, Light...


Click Here for More Information

HIGH PRESSURE Valves & Fittings!  Click Here...


DK-LOK Tube Fittings & Valves are made from the highest grade raw materials, and each and every part is manufactured to specifications that adhere to a tolerance control of 1/1000th of an inch.


Below you will find PDF Catalogs for our tube fittings, instrument pipe & weld fittings, valves, and other products for supporting your instrumentation process controls.



An affiliated company of Kirby Oil Field Supply LLC

Authorized Dealers for:

So many reasons to make the switch to 
DK-Lok Valves &
Fittings...
  • Highest Quality Products
  • Reliable, Leak-Free Connections
  • Broad Product Line
  • Very Attractive Pricing
  • Interchangeable with Swagelok
  • Exceptional Service & Support

Honesty, commitment, and quality

SERVICE

Quick Connect Couplings & Hose Assemblies

CNG Valves & Fittings!

Click Here...