Description
Product Overview
The QAVODB sandblasting gun head PSJ-WWHTJ-003 is engineered for professional dental and industrial sandblasting applications. It combines a tungsten carbide lined nozzle with a boron carbide interior to provide exceptional durability and resistance to wear. The nozzle length is 175 mm with a M41 thread, and it offers interchangeable venturi holes of 8 mm or 10 mm for versatile flow control. Weighing just 2.54 lb and packaged in a compact 8.27 × 5.51 × 4.33 in box, it is easy to handle and install.
![[Product front view showing all components]](https://www.renolife.store/wp-content/uploads/2026/06/a3fabd47fc184283923ec48915c5f52a.jpg)
Usage
Designed for dustless operation, the gun head mixes water, abrasives and air inside the nozzle, eliminating airborne particles and reducing cleanup time. It is ideal for dental laboratories performing precise enamel preparation, as well as for high‑pressure wet‑blast cabinets in industrial settings. The low water consumption makes it environmentally friendly and cost‑effective, while the robust construction ensures reliable performance in continuous use.
Why Choose Us
QAVODB stands for quality manufacturing and rigorous testing. Each gun head undergoes strict inspection to guarantee a perfect fit and consistent performance. The use of tungsten carbide and boron carbide liners extends service life far beyond standard steel nozzles, reducing replacement frequency and total cost of ownership. Our dedicated support team provides technical assistance and a hassle‑free warranty, ensuring you stay productive.
Key Features
- Dustless operation – water, abrasives and air mix inside the nozzle for a clean workspace.
- Reduced water usage compared with conventional wet‑blast systems, saving resources.
- Ultra‑durable tungsten carbide liner delivers long service life and consistent performance.
- Interchangeable venturi holes (8 mm or 10 mm) allow precise control of abrasive flow.
- Comprehensive after‑sales support and warranty for peace of mind.
FAQ
What size venturi holes are available?
The gun head comes with selectable venturi openings of 8 mm or 10 mm, allowing you to match the flow rate to your specific application.
Is this gun head compatible with standard dental sandblasting cabinets?
Yes, it is designed as a direct replacement for high‑pressure or movable wet‑type sandblast cabinet machines, fitting standard M41 threads.
How does the dustless feature work?
Water, abrasives and compressed air are combined inside the nozzle, which captures particles before they can become airborne, resulting in a cleaner work environment.
What maintenance is required?
Regularly flush the nozzle with clean water after each use to prevent residue buildup, and inspect the carbide liner for wear every few months.
Does the product include a power source or batteries?
No, the gun head operates with external air and water supplies; no batteries or power adapters are required.





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