Quick Coupling – 1-1/4" Brass Coupler, 175 PSI Max

Part Number: Q-3-BR
Weight: 2.40 lbs

The Q-3-BR Quick Coupling is a heavy-duty 1-1/4" brass hose coupler designed for abrasive blasting systems, industrial air lines, and high-pressure pneumatic applications. Rated for 175 PSI maximum working pressure, this solid brass coupling delivers exceptional strength, corrosion resistance, and long-term durability in harsh operating environments.

Built to withstand vibration, abrasive media exposure, and demanding jobsite conditions, this coupling provides a secure, leak-free connection trusted by professionals across blasting and industrial sectors.

Specifications

Key Features & Performance Advantages

Heavy-Duty Brass Construction

• High corrosion resistance for long service life

• Maintains strength in abrasive, wet, or outdoor environments

• Ideal for high-vibration blasting applications

175 PSI Maximum Working Pressure

• Supports demanding industrial systems

• Ensures stable airflow and secure engagement under load

• Perfect for professional sandblasting operations

Reliable Quick-Connect Design

• Fast coupling and uncoupling for improved workflow

• Strong locking action minimizes accidental disconnects

• Helps maintain consistent media flow and blasting efficiency

OEM-Equivalent Fit

• Direct replacement for major blasting equipment brands

• Ideal for equipment rebuilds, maintenance, and system upgrades

⚠️ Critical Installation Note

Factory hose ends are NOT cut square. Always cut hose ends perfectly square before installing couplings or nozzle holders.
This is the #1 cause of coupling failure.

A clean, square cut ensures proper sealing, locking engagement, and safe long-term performance.

OEM Cross-Reference