Overview
The Annovi Reverberi AR50900 RL84 Spray Trigger Control is a heavy-duty,
industrial-grade trigger gun designed to operate at the highest levels of pressure and flow
in commercial cleaning. Rated for 21 GPM and up to 8,100 PSI,
the RL84 is purpose-built for hydro-blasting, industrial surface preparation, marine cleaning,
and heavy equipment maintenance where ordinary guns cannot survive.
From its reinforced trigger assembly to premium seals and corrosion-resistant body, every
aspect of the RL84 is engineered for continuous, high-stress environments—delivering
maximum cleaning power with precise control, operator safety, and long service life.
Performance & Functionality
- Extreme capacity: Handles flows up to 21 GPM at 8,100 PSI for the largest industrial rigs and hydro-blasting systems.
- Delivers the power needed to strip coatings, remove scale, blast concrete, and degrease machinery quickly and efficiently.
- Precision trigger mechanism is finely balanced for smooth engagement and controlled release.
- Allows confident transitions between blasting and rinsing while reducing system shock and hose whip.
Durability & Construction
- Reinforced trigger assembly built to withstand repeated high-pressure cycling without degradation.
- Premium seals protect against leaks, water ingress, and chemical breakdown.
- Corrosion-resistant materials support long service life in harsh, wet, or marine environments.
- Heavy-duty housing resists accidental drops, impacts, and daily industrial abuse.
Operator Safety & Ergonomics
- Comfort grip: Contoured, non-slip handle designed for long sessions in wet, greasy, or chemical-laden conditions.
- Reduced strain: Balanced trigger resistance provides precise control without excessive hand force.
- Robust build helps prevent accidental leaks or bursts, protecting operators and extending system life.
- Ergonomic design mitigates fatigue during extended high-pressure cleaning sessions.
Compatibility & Integration
- Works seamlessly with high-capacity pumps and hoses rated to 8,100 PSI / 21 GPM.
- Features dual 3/8″ female BSP ports for flexible installation and plumbing layouts.
- Compatible with turbo nozzles, hydro-blasting tips, foamers, and rinse attachments designed for extreme duty.
- Suitable for both hot- and cold-water systems, including rigs using harsh detergents and chemicals.
Key Specifications
- Model: AR50900 RL84 Spray Trigger Control
- Maximum flow: 21 GPM
- Maximum pressure: 8,100 PSI
- Connections: Dual 3/8″ F BSP ports
- Construction: Reinforced, corrosion-resistant housing with premium sealing
- Design focus: Smooth trigger action, leak-free performance, and reduced operator fatigue
Typical Applications
- Shipyards & marine facilities – stripping barnacles, rust, and coatings from hulls and structures.
- Industrial plants – removing grease, scale, and heavy debris from process equipment and floors.
- Heavy equipment wash bays – cleaning bulldozers, excavators, mining trucks, and agricultural machinery.
- Surface preparation – blasting concrete, steel, and industrial flooring prior to repair or coating.
- Contractor & hydro-blasting systems – high-output rigs where uptime and performance are critical.
Bottom Line
- The AR50900 RL84 Spray Trigger Control is more than a trigger gun—it is an
industrial cleaning powerhouse. With 21 GPM / 8,100 PSI capacity, reinforced
construction, and operator-focused ergonomics, it delivers the extreme performance, control,
and durability required in shipyards, industrial facilities, and contractor fleets where
failure is not an option.





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