AL-PLUG1/4MB | 1/4 M Quick-Connect Plug, Brass
The AR AL-PLUG1/4MB — 1/4 in Male Quick-Connect Plug is a compact, precision-engineered brass
fitting developed by Annovi Reverberi to deliver fast, reliable, and leak-free connections in high-pressure
cleaning systems. Its standard 1/4-inch male quick-connect configuration pairs with common
female couplers across most major pressure washer brands, allowing hoses, spray guns, and accessories to be
attached or removed in seconds without tools.
Designed for both professional and residential use, the AL-PLUG1/4MB reduces setup time, speeds accessory
changes, and helps maintain consistent hydraulic performance wherever quick, repeatable connections are a
priority.
Construction & Materials
Solid Brass Body for Long Service Life
- Solid, corrosion-resistant brass construction resists rust, pitting, and chemical wear in wet, detergent-rich environments.
- Precision-machined sealing surfaces support tight coupling engagement and smooth, repeatable locking action.
- Robust mechanical strength prevents deformation under high pressure and frequent connect/disconnect cycles.
- Good thermal conductivity helps dissipate heat during long cleaning sessions, protecting adjacent seals.
Brass is the material of choice for high-pressure fittings, maintaining its shape under stress and providing
consistent sealing performance across thousands of cycles.
Quick-Connect Performance
Fast, One-Handed Operation
- Standard 1/4 in male QC profile snaps into compatible female couplers with a positive “click” for a secure, watertight seal.
- Tool-free attachment and release accelerates changes between foam cannons, nozzles, lances, and extension wands.
- Stable, vibration-resistant joint supports high PSI operation while minimizing leaks, drips, and pressure fluctuations.
- Internal smooth bore preserves flow, limiting turbulence and pressure loss from pump to nozzle.
This quick-locking mechanism keeps workflows moving—ideal for jobs that require frequent configuration
changes or accessory swaps.
Integration & Compatibility
Universal 1/4 in Male QC Interface
- Compatible with standard 1/4 in female quick couplers used across most pressure washer brands.
- Fits portable units, mobile detailing rigs, and fixed wash bays that share the same quick-connect standard.
- Compact size and rugged build suit both hot- and cold-water applications within equipment limits.
- Ideal for hoses, guns, and lances where rapid, repeatable connectivity is required.
Because it follows a universal QC geometry, the AL-PLUG1/4MB integrates seamlessly with mixed fleets and
accessory kits, simplifying inventory and training.
Installation & Use
Simple, Repeatable Connection Routine
- Inspect the matching female coupler to ensure the O-ring and bore are clean and undamaged.
- Insert the AL-PLUG1/4MB straight into the coupler until the locking collar engages with an audible click.
- Tug gently to confirm lock-in before pressurizing the system.
- To disconnect, pull back the coupler sleeve and withdraw the plug in a controlled motion.
The plug’s polished brass finish resists seizing and makes engagement and release smooth, even after prolonged
use or exposure to detergents.
Care & Maintenance
Keeping Connections Clean and Leak-Free
- Rinse off chemical residue and wipe the plug at the end of the shift to keep sealing surfaces clean.
- Visually inspect the companion O-ring in the female coupler; replace if flattened, nicked, or cracked.
- Check for impact damage, thread wear, or deformation and replace the plug if geometry is compromised.
- Store hoses and guns so the plug is not dragged across abrasive surfaces that could mar the sealing area.
Following these simple checks helps maintain factory-tight sealing, prevents nuisance drips, and extends the
service life of both the plug and the coupler.
Applications
- Automotive and fleet detailing rigs with frequent tip and tool changes.
- Agricultural and construction equipment washdown stations.
- Facility maintenance, plant wash bays, and rental fleets.
- Prosumer and residential pressure washers upgraded for multiple accessories.
AL-PLUG1/4MB | 1/4 M Quick-Connect Plug, Brass
The AR AL-PLUG1/4MB – 1/4 in Male Quick-Connect Plug combines robust brass construction,
universal compatibility, and effortless operation to deliver fast, secure, and leak-free connections in
high-pressure cleaning systems. Compact yet durable, it supports smooth hydraulic flow, consistent spray
performance, and long-term reliability across a wide range of professional and residential applications.





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