Instrumentation Tube Fittings
Tube connections for instrumentation and process systems.
DISTRIBUTOR-FIRST SUPPLY PARTNER · SINCE 1999 BRAND · DK-LOK
DK-LOK equipment for the application.
Select the family. Confirm the model.
DK-Lok manufactures fittings and valves for instrumentation, semiconductor and process systems. Its manufacturer product catalog separates tube fittings, valves, quick connections, tubing and hose.
The photographed families below focus on instrumentation tube fittings, ball valves and check valves. A replacement or new installation needs the tube outside diameter, connection thread, body material and service conditions. For a valve, include the control function and required pressure and temperature ratings. SPC Company can use the exact part number or those requirements to review the selected manufacturer series and quote the requested components.
Bring the application and model requirements.
Tube connections for instrumentation and process systems.
Shutoff valves for fluid-system isolation.
Directional flow control to limit reverse flow.
Oil & Gas / Energy → Instrumentation and process fittings on wellhead, pipeline, and refinery skids. 
Chemical & Petrochemical → High-purity 316 SS fittings for corrosive and high-pressure chemical process lines. 
Pharmaceutical, Medical Device & Laboratory → Ultra-high-purity tube fittings for sterile process and laboratory gas distribution. 
Electronics & Semiconductor → Clean fittings for high-purity gas distribution in semiconductor fabrication. 
Power Generation → Instrumentation fittings for steam and process measurement in power plant systems. 
Marine & Shipbuilding → ABS/DNV/LR-approved fittings for offshore and shipboard instrumentation systems. Confirm the service, required capacity, operating conditions and installation before choosing the model.
Use the manufacturer catalog for dimensions and ratings. SPC Company can help review the selected model and quote availability.
Tell us the spec and the account and we will come back with the right line, sourced through the distribution network.
Your quote. We reply within one business day with pricing, lead-time, and configured parts.