1-1/4" Brass Quick Coupling – 175 PSI Max, Blast Hose Connector
Part Number: Q-3-BR
Weight: 2.40 lbs
Category: Blast Hose Couplings & Fittings
The Q-3-BR 1-1/4" Brass Quick Coupling is a heavy-duty, industrial-grade connector designed for secure attachment of large-diameter blast hose. Built from durable brass and pressure-rated to 175 PSI, this coupling is ideal for professional blasting contractors who require maximum reliability, corrosion resistance, and long service life.
Compatible with multiple OEM blasting systems, this coupling ensures stable airflow, consistent abrasive delivery, and dependable performance in rugged environments.
Key Features
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Fits 1-1/4" blast hose
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Heavy-duty brass quick coupling
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175 PSI maximum working pressure
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Corrosion-resistant brass construction
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Supports high-volume abrasive blasting applications
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Designed for industrial, marine, automotive, and field blasting operations
OEM Compatibility
| OEM Manufacturer | Part # |
|---|---|
| A-BEC Industries | 181-0516 |
| Clemco / Aerolyte / ZERO | 00565 |
| Graco | 17L273 |
| Schmidt / Axxiom / U.S. Filter | 4213-307 |
⚠️ Installation Warning
Factory blast hose ends are not cut square.
Always cut the hose end perfectly square before installing couplings or nozzle holders — this is the #1 cause of coupling failure.