Quick Coupling – 1-1/2" Brass Coupler, 175 PSI Max

Part Number: Q-4-BR
Weight: 2.80 lbs

The Q-4-BR Quick Coupling is a heavy-duty 1-1/2" brass hose coupler engineered for abrasive blasting systems, high-pressure pneumatic lines, and industrial air hose assemblies. Rated for 175 PSI maximum working pressure, this premium brass coupling delivers exceptional strength, corrosion resistance, and long-term reliability in demanding environments.

Its solid brass construction ensures a secure, leak-free connection capable of withstanding vibration, moisture, and abrasive exposure—making it ideal for professional blasting operations and industrial air systems.

Specifications

Key Features & Performance Advantages

Premium Heavy Brass Construction

• Extremely durable and corrosion-resistant

• Withstands abrasive media, moisture, and heavy use

• Provides stable and long-lasting sealing performance

175 PSI Maximum Working Pressure

• Supports high-pressure blasting applications

• Maintains secure engagement and airflow stability

• Ideal for contractors and industrial facilities using heavy-duty blast equipment

Reliable Quick-Connect Design

• Allows fast hose changes with secure locking action

• Prevents accidental disconnection during operation

• Enhances workflow efficiency and system uptime

Precision Fit for 1-1/2" Hose Systems

• Direct replacement for brass quick couplings used by major OEMs

• Provides leak-free performance across industrial hose assemblies

• Perfect for rebuilds, upgrades, and new system installations

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 squared, clean hose end ensures proper seating, safe retention, and maximum sealing performance.

OEM Cross-Reference