Gison 4" Air Waterfed Polisher - Dial Type (GPW-7)
The Professional Standard for Wet Stone Polishing
The Gison GPW-7 is a revolution in stone and glass fabrication. Specifically designed for continuous production, this "Dial Type" model features a 3-section-shifting knob that allows the user to adjust the air frequency to match the material’s requirements.
Equipped with an integrated center water feed, the GPW-7 manages heat build-up and suppresses airborne silica dust, making it an essential tool for workshops adhering to NZ Health and Safety standards. Its lightweight aircraft-aluminum housing and low-vibration design ensure comfort during long polishing shifts.
Precision Speed Control (3-Section Dial)
The GPW-7 provides three distinct speed settings via the manual dial:
- Section 1: 700 RPM (Detail work & fine finishes)
- Section 2: 3,800 RPM (Standard polishing)
- Section 3: 4,500 RPM (Fast material removal)
Technical Specifications
| Feature | Details |
|---|---|
| Max Free Speed | 4,500 RPM |
| Spindle Size | M14 |
| Pad Size Capacity | 3" (75mm) or 4" (100mm) |
| Air Consumption | 16.2 CFM (0.46 m3/min) |
| Weight | 1.17 kg (Ultra-Lightweight) |
Applications & Material Compatibility
The Gison GPW-7 is ideally suited for wet sanding and polishing of:
- Granite and Marble Benchtop Edges
- Engineered Stones (Silica Dust Suppression)
- Glass and Fiberglass
- Porcelain and Ceramics
- Short Description:
Gison 4" Air Waterfed Polisher GPW-7