Standard Compression Union

The Standard Compression Union is a high-quality brass fitting designed to connect two lengths of tubing in fluid and air systems. Built for durability and leak-proof performance, it is widely used across compressed air, fuel, oil, water, lubrication, and natural gas lines.

Compatible with copper, aluminium, Bundy, and nylon tubing, this union supports secure tube-to-tube connections, making it ideal for maintenance and system expansions. For high-pressure applications, a spiggot is recommended to ensure optimal sealing and strength.

Key Applications

• Tube-to-tube connections in air and fuel systems

• Plumbing for oil, water, and gas

• Industrial and mechanical system builds or repairs

• Agricultural and transport installations

Product Features

• Precision-machined from corrosion-resistant brass

• Tube union fitting for joining same-size tubes

• Rated to 3500 kPa / 500 PSI (varies by size and application)

• Temperature rating from 0°C to 120°C

• Works with copper, aluminium, Bundy, and nylon tubes

• Simple installation and reliable compression seal

Technical Specifications

• Material: Brass

• Fitting Type: Compression Union

• Tube Sizes: 1/8", 3/16", 1/4", 5/16", 3/8", 1/2", 5/8", 3/4"

• Thread Sizes: 5/16" to 1 1/16"

• TPI: From 24 to 14, depending on size

• Pressure Rating: Up to 3500 kPa (500 PSI)

• Temperature Rating: 0°C to 120°C

Why Choose This Product?

Our Brass Compression Fittings are designed for reliability and flexibility. The Brass Compression Union is an essential fitting for clean, safe, and efficient fluid system connections. It’s a practical choice for trade professionals and system installers who value long-term reliability and ease of use.

Size Table