Semiconductor Manufacturing

Chemical Plants

Nuclear, Gas, and Coal-fired Power Plants

Gas Compressing Plants

DK-LOK Instrumentation Valves & Fittings serve many industries.  Here are just some of the industry application where we can help you achieve reliable, leak-free connections and precision valve performance:

Authorized Dealers for:

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

CNG/NGV Industry (applications shown:  Shut-off ball valves for control panel on Ford commercial NGV truck, and mobile CNG refilling unit.)

Pharmaceutical Manufacturing

Offshore Platforms

Oil Refineries

Gas Processing & Treatment Plants

Condensate Stabilization & Vapor Recovery Units

Honesty, commitment, and quality


An affiliated company of Kirby Oil Field Supply LLC