1/8 inch copper tubing used in HVAC refrigeration and instrumentation systems

1/8 Inch Copper Tubing for HVAC, Refrigeration and Precision Systems

1/8 inch copper tubing is a precision-engineered tubing solution designed for applications where controlled flow, compact design and reliability are critical. It is widely used in HVAC systems, refrigeration units, instrumentation lines and medical gas systems.

This small-diameter tubing offers excellent thermal conductivity, corrosion resistance and flexibility, making it ideal for sensitive and high-performance systems.

What is 1/8 Inch Copper Tubing?

1/8 inch copper tubing refers to copper tubing with an outer diameter of approximately 3.18 mm. It is commonly used in systems that require precise fluid or gas flow in compact environments.

Manufactured from high-purity copper such as C12200, it provides superior durability and consistent performance.

Types of 1/8 Inch Copper Tubing

Soft Copper Tubing (Annealed)

Flexible and easy to bend, ideal for tight spaces and complex routing.

Hard Copper Tubing (Drawn)

Rigid and strong, suitable for fixed installations.

ACR Copper Tubing

Designed for HVAC and refrigeration systems, cleaned and sealed for optimal performance.

Technical Specifications

Parameter Details
Nominal Size 1/8 inch
Outer Diameter 3.18 mm
Material Grade C12200 Copper
Standards ASTM B88 / ASTM B280 / EN 1057
Forms Coils / Straight lengths

Key Features

  • Compact and lightweight design
  • Excellent thermal conductivity
  • High corrosion resistance
  • Flexible and easy to install
  • Long service life
  • Ideal for precision applications

Standards and Compliance

1/8 inch copper tubing is manufactured according to international standards:

  • ASTM B88 – Copper water tube
  • ASTM B280 – Copper tubing for HVAC and refrigeration
  • EN 1057 – Copper tubes for water and gas systems
  • ISO standards for industrial piping

Applications of 1/8 Inch Copper Tubing

HVAC Systems

Used in control lines and small refrigerant circuits.

Refrigeration Systems

Used in compact cooling systems and precision refrigeration units.

Instrumentation Systems

Used in pressure measurement and control systems.

Medical Gas Systems

Used in hospitals and laboratories for specialized gas delivery.

Industrial Applications

Used in laboratories and process control systems.

Installation Methods

  • Soldering for secure joints
  • Brazing for higher pressure applications
  • Compression fittings for easy installation
  • Flare fittings for precision systems

Advantages of 1/8 Inch Copper Tubing

  • High precision flow control
  • Reliable and leak-proof performance
  • Low maintenance requirements
  • Excellent durability
  • Versatile across industries

Maintenance and Longevity

Copper tubing requires minimal maintenance. With proper installation, 1/8 inch copper tubing can last for decades while maintaining consistent performance.

Why Choose 1/8 Inch Copper Tubing?

1/8 inch copper tubing offers unmatched reliability and precision for compact systems. Its excellent material properties make it ideal for modern industrial and commercial applications.

Conclusion

1/8 inch copper tubing is a reliable and efficient solution for HVAC, refrigeration and precision systems. Its durability, corrosion resistance and thermal efficiency make it a preferred choice across industries.

Choosing high-quality 1/8 inch copper tubing ensures long-term performance, safety and efficiency in all applications.