Instrumentation Fittings and Tubing: A Complete Guide for High-Pressure Applications

Introduction

Instrumentation fittings and tubing are critical in high-pressure systems, especially in sectors like oil & gas, pharmaceuticals, and industrial automation. They ensure leak-proof, safe, and reliable fluid or gas transport. In this guide, we cover the various types, materials, standards, and selection factors you should know when designing or maintaining high-pressure applications.

1. What Are Instrumentation Fittings?

These are small mechanical components used to connect sections of tubing or pipe. They play a vital role in maintaining system integrity, especially under high pressure.

Common Types:

• Tube connectors

• Compression fittings

• Bulkhead fittings

• Quick-connect fittings

• Elbow and tee fittings

2. Tubing Materials & Standards

Popular Materials:

• SS 316: Corrosion-resistant, ideal for most applications

• Monel: Excellent for corrosive environments

• Hastelloy: For highly aggressive fluids

Standards to Follow:

• ASTM and ASME standards for pressure ratings

• ISO and DIN for dimensional accuracy

3. Pressure Ratings & Safety

Instrumentation fittings and tubing can handle pressures up to 10,000 psi and beyond. Always consider:

• Pressure rating of both the fitting and tubing

• Temperature compatibility

• Vibration resistance

Tip: Never exceed 80% of the rated pressure in dynamic systems.

4. How to Choose the Right Fitting

• Application Needs: Gas or liquid? High or low temp?

• Material Compatibility: Match fitting material with media

• Ease of Installation: Choose fittings with clear threading and reliable seals

• System Maintenance: Go for fittings that are easy to inspect and replace

5. Why Choose Valvenok for Instrumentation Components?

Valvenok supplies a comprehensive range of high-pressure instrumentation fittings and tubing:

• SS 316 compression fittings

• Monel and Hastelloy components

• Tube plugs, reducers, elbows, and more

• Designed for pressures up to 10,000 psig

Backed by global brands and in-stock availability, Valvenok serves UK manufacturers with quality and speed.

Conclusion

Whether you're building a new system or upgrading an existing one, the right instrumentation fittings and tubing are essential for safe and efficient operation. Trust Valvenok to deliver the quality and performance your high-pressure systems demand.

Explore our full range of instrumentation fittings at valvenok.com or reach out for technical support.