AL420-35-KIT | Wet Sandblast Kit Coating & Heavy Grime Removal

AL420-35-KIT | Wet Sandblast Kit Coating & Heavy Grime Removal

The AR AL420-35-KIT Wet Sandblast Kit is a heavy-duty, high-flow blasting package engineered to convert compatible pressure washers into controlled, high-energy coating-removal systems. Rated for up to 3.5 GPM at 3,650 PSI, it uses the momentum of water to accelerate abrasive media at the surface while suppressing dust, moderating heat, and reducing rebound compared to dry blasting. The result is cleaner work areas, fewer airborne particulates, and simpler end-of-job cleanup.

How the Kit Works

Venturi-Style Abrasive Injection

At the core of the AL420-35-KIT is a venturi-style injector that draws abrasive through a suction line, meters it smoothly into the pressurized stream, and projects a coherent, high-velocity plume. This venturi action maintains energy across distance for consistent cutting and a uniform surface profile, even on large structures and expansive pads.

Controlled Wet Blasting Action

By blending water and abrasive at the nozzle, the kit shortens dwell time on tough coatings while helping avoid unnecessary substrate damage or warping on thinner workpieces. When paired with appropriate media and sensible technique, the process leaves a finish that is ready for rinse-down, inspection, and recoating.

Construction & Performance

Built with corrosion-resistant metal components, reinforced fittings, and a wear-focused nozzle assembly, the AL420-35-KIT is designed for extended duty cycles in industrial environments. The streamlined hydraulic path minimizes pressure loss, so pump output is converted into cutting work at the nozzle instead of wasted in restrictions. This improves productivity and reduces the number of passes required to reach bare substrate.

The system works effectively with widely used non-silica abrasives such as garnet, crushed glass, or baking soda, allowing operators to match particle hardness and size to the target material and desired anchor profile. Jobs that benefit include stripping epoxy from steel, removing oxidation on equipment frames, scouring marine growth from hardware, and clearing paint or graffiti from concrete and brick.

Setup & Operation

Simple, Repeatable Setup

• Attach the blasting head to the pressure washer wand.
• Place the suction probe into the abrasive container.
• Start water flow; the venturi automatically generates suction and begins blending media.

Tuning Technique & Media

Performance tuning is straightforward: select a pressure and standoff distance appropriate to the surface, choose a media grade that balances aggressiveness with finish quality, and maintain a steady traverse to preserve plume coherence and limit excess media consumption. Because water carries and cushions the particles, operator exposure to dust is reduced, rebound is gentler, and spent media settles quickly for easier containment and disposal.

These advantages are especially valuable in facilities, shipyards, fleet bays, and job sites where dust control and cleanliness are priorities.

Maintenance & Media Care

Post-Job Flushing & Inspection

• After blasting, flush the head and suction line with clean water to remove residual grit.
• Inspect the orifice and wear points; store the assembly dry to protect sealing surfaces.
• Periodically check threaded joints and hose condition to keep the unit leak-free under pressure.
• Replace worn orifices at sensible intervals to preserve cutting power and avoid unnecessary load on the pressure washer.

Good Media Hygiene

• Keep abrasive containers covered to prevent moisture ingress and clumping.
• Strain out oversized fragments that could impede flow or damage components.
• Use clean, compatible abrasives for predictable metering and consistent results.

Typical Applications

• Preparing steel for repainting or recoating.
• Restoring concrete surfaces and pads.
• Cleaning equipment and structures prior to inspection.
• Removing marine growth, rust, and scale from hardware and frames.
• Addressing graffiti and aged sealers on masonry and brick.

In operation, the AL420-35-KIT’s efficient energy transfer and balanced metering help crews achieve uniform removal rates and consistent profiles, reducing rework and creating a better substrate for primers, sealers, and topcoats. The wet process softens impact on thin panels or sensitive edges, yet still delivers the bite needed for heavy coating removal when paired with harder media.

Why Choose the AL420-35-KIT

High-Flow Wet Blasting, Done Right

With its clear rating of 3.5 GPM and 3,650 PSI, the AL420-35-KIT provides an unambiguous compatibility target for high-flow pressure washer platforms. Straightforward construction keeps training short and maintenance predictable, while venturi-driven media delivery and dust-suppressing water flow bring industrial wet blasting capability to professional crews.

Whether you are prepping steel, restoring concrete, cleaning equipment, or tackling graffiti, this kit offers a practical, repeatable method that balances power, control, and cleanliness—helping users move faster through demanding surface preparation tasks with less mess and more consistent, high-quality results.