
Instrumentation Fittings from McGill Hose & Coupling
Your Trusted Distributor for DK-LOK Instrumentation Fittings – A Reliable Alternative to Parker & Swagelok
At McGill Hose & Coupling, we are committed to providing high-quality instrumentation fittings that deliver precision, reliability, and cost-effectiveness. As an authorized distributor ofDK-LOK, we offer an excellent alternative to Parker and Swagelok, with interchangeable fittings that meet or exceed industry standards. Our instrumentation fittings ensure leak-free performance for high-pressure and process control applications across various industries.
Why Choose McGill Hose & Coupling for Instrumentation Fittings?
DK-LOK: A Competitive Alternative to Parker & Swagelok
As a leading distributor of DK-LOK, McGill Hose & Coupling offers fully interchangeable instrumentation fittings that provide a seamless transition for customers currently using Parker or Swagelok fittings.
- Swagelok-Compatible – Many DK-LOK fittings meet the same specifications and are designed for easy interchangeability.
- Parker Alternative – DK-LOK provides a cost-effective, high-performance option compared to Parker instrumentation fittings.
- Industry-Recognized Testing & Certifications – DK-LOK fittings meet ASTM F1387 standards, ensuring high-pressure sealing and system integrity.
- Full Warranty & Insurance Policy – Customers can be confident in the quality and reliability of DK-LOK products.
Types of Instrumentation Fittings We Offer
McGill Hose & Coupling distributes a full range of DK-LOK instrumentation fittings, including:Compression Fittings
Double Ferrule Compression Fittings – Swagelok® Alternative
- Interchangeable Design – DK-LOK’s double ferrule compression fittings are designed to be fully compatible with Swagelok® and Parker CPI™ fittings.
- Two-Ferrule System for Superior Grip – The front ferrule creates a metal-to-metal seal, while the back ferrule grips the tubing for a secure, vibration-resistant connection.
- Proven Leak-Free Performance – Engineered to handle high-pressure and extreme temperature conditions.
Single-Ferrule Compression Fittings
- Single-Ferrule Compression Fittings – Engineered for secure, high-pressure connections.
Pipe & Tube Fittings
- Precision Tube Fittings – Designed for high-integrity sealing in fluid and gas applications.
- Industrial Pipe Fittings – Reliable high-pressure instrumentation components for industrial use.
Valves & Flow Control Components
- Needle Valves & Manifolds – Precision flow control solutions for critical applications.
- Check Valves & Ball Valves – Leak-proof shut-off for fluid control systems.
Adapters & Connectors
- Instrumentation Adapters – Seamlessly integrate into existing Swagelok or Parker systems.
- Cone & Thread Fittings – High-pressure sealing solutions for demanding environments.
Why Switch to DK-LOK?
✅ Seamless transition from Swagelok & Parker fittings
✅ Same or better performance at a lower cost
✅ Extensive product availability with full technical support
Industries & Applications
DK-LOK instrumentation fittings, distributed by McGill Hose & Coupling, are used in a wide range of industries, providing precision fluid and gas system connections:
Aerospace & Defense – High-pressure precision fittings for mission-critical systems.
Oil & Gas – Leak-proof instrumentation for upstream and downstream operations.
Pharmaceutical & Biotech – Sanitary and precision-sealed fittings for clean environments.
Power Generation – Reliable connections for steam, fuel, and hydraulic systems.
Process Automation – Control system fittings for industrial process optimization.
McGill Hose & Coupling – Your Trusted DK-LOK Distributor
As a trusted distributor of DK-LOK instrumentation fittings, McGill Hose & Coupling provides customers with:
A Reliable Swagelok & Parker Alternative – Proven interchangeability with leading brands.
Full Engineering & Technical Support – Our experts help select the right fittings for your system.
Fast & Reliable Service – Quick lead times and responsive customer support.
Competitive Pricing – High-quality products at cost-effective rates.