Brass Brake Line Union – 3/16″ Inverted‑Flare Tube | 3/8″ UNF Female Thread

Overview

The EBS.BL.ADP brass brake line union is a precision component engineered to securely join two 3/16″ inverted‑flare brake hoses or tubing via 3/8″ UNF (24 TPI) female threads. Ideal for pressing steel or copper brake line configurations, this union simplifies brake routing and ensures leak-resistant connections.

✅ Key Features

• Premium brass construction for long-term corrosion resistance and durability 

• Compatible with 3/16″ brake tube, standard in trailer and automotive brake systems

• 3/8″ UNF female threads with SAE inverted-flare seating for a reliable hydraulic seal 

• Compact, standard-sized component that works seamlessly with braided hoses or hardline installations

• 12-month manufacturer warranty and fast shipping from Brisbane 

 Technical Specifications

Applications

• Joining stainless steel or copper brake tubing to wheel-end hoses

• Creating clean split circuits in tandem-axle brake installs

• Connecting feed hoses to double-leg brake configurations

• Replacing worn or corroded unions in trailer brake assemblies

 Why Use This Union?

This brass union delivers a compact, leak-proof junction for brake plumbing without welding or rigid assemblies. With precise female UNF threads and SAE seating, it offers a dependable hydraulic seal and integrates cleanly into modern stainless or copper hose layouts. Compatible with both rigid and flexible setups, it supports clean installation paths for brake systems.

 Installation Tips

1. Thread union to hose ends finger-tight, then torque to spec—avoid over-tightening.

2. Ensure flare surfaces are clean and FIRMLY seated in union for leak-free joining.

3. Secure the union to chassis if needed to reduce vibration or strain.

4. Pressure-test brake system after installation to confirm seal integrity.