Description
The Mosmatic TYR 81.486 is a heavy-duty, non-adjustable duct cleaner designed for maximum impact in 24-inch environments. Unlike the adjustable versions, the fixed-arm design provides maximum structural rigidity, making it the “workhorse” for consistent, large-scale industrial cleaning tasks where a standard diameter is maintained.
Key Features
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Fixed Precision: The arms are set to a fixed 24-inch diameter, ensuring consistent nozzle distance from the duct walls for a uniform, deep clean every time.
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High-Stability Rotation: The fixed-arm geometry reduces vibration at high RPMs, allowing the dual-nozzle system to strip away grease, soot, and debris with relentless efficiency.
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Maintenance-Free Durability: Built with Mosmatic’s world-renowned stainless steel swivel, this unit is designed for long-term use in high-moisture and corrosive environments.
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Universal Compatibility: Can be used with high-pressure lances, telescopic poles, or suspended via a hose for vertical drops.
Technical Specifications
| Feature | Specification |
| Model Number | 81.486 |
| Diameter | 24″ (Fixed) |
| Max Pressure | 4,000 PSI |
| Max Temperature | 250°F |
| Inlet | 3/8″ NPTF |
| Nozzles | Requires 2x 1/8″ NPTM Nozzles (Sold Separately) |
| Material | High-Grade Stainless Steel |
Primary Applications
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Industrial Exhaust Stacks: Ideal for heavy-duty cleaning of factory exhaust systems where diameters are standardized.
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Vertical Garbage Chutes: Effectively sanitizes and degreases multi-story waste chutes in residential and commercial buildings.
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Silo Maintenance: Removing dust and residue from the internal walls of storage silos and large grain hoppers.
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Large Chimney Flues: High-impact removal of creosote and heavy soot deposits in industrial-scale masonry flues.





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