Description
The Mosmatic TYR 81.476 is a professional-grade, high-pressure cleaning tool engineered for fixed 20-inch diameter applications. Combining Swiss precision with rugged stainless steel construction, this unit is designed to provide a deep, consistent clean in vertical or horizontal shafts where a standard width is maintained, eliminating the need for manual adjustment.
Key Features
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Rigid Fixed-Arm Design: The arms are set at a permanent 20-inch diameter, providing maximum structural integrity and ensuring the nozzles remain at the perfect distance for high-impact cleaning.
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High-Speed Swivel Technology: Features Mosmatic’s renowned maintenance-free swivel, capable of high RPMs to ensure a 360-degree cleaning pattern without shadowing.
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Corrosion Resistance: The entire unit is crafted from high-quality stainless steel, making it ideal for use in wet, greasy, or chemically harsh environments.
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Versatile Deployment: Can be attached to a high-pressure hose for vertical drops in chutes or mounted to a lance for more controlled cleaning in reachable ductwork.
Technical Specifications
| Feature | Specification |
| Model Number | 81.476 |
| Diameter | 20″ (Fixed) |
| Max Pressure | 4,000 PSI |
| Max Temperature | 250°F |
| Inlet | 3/8″ NPTF |
| Nozzles | Requires 2x 1/8″ NPTM Nozzles (Sold Separately) |
| Throughput Medium | pH 3–12 |
Primary Applications
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Commercial Ventilation: Deep cleaning of 20-inch HVAC main lines and air distribution shafts.
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Garbage & Laundry Chutes: Ideal for sanitizing and removing buildup in multi-story residential or hotel chutes.
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Kitchen Exhaust Systems: Removing heavy grease layers in mid-sized restaurant ductwork to reduce fire hazards.
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Manufacturing Pipes: Clearing internal scale or chemical residue from industrial process piping.





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