The Gison GP-851A is an industrial-grade, straight-body air needle scaler engineered for aggressive surface preparation and de-rusting. Delivering 3,700 blows per minute (BPM), this heavy-duty pneumatic tool utilizes 19 high-tensile steel needles to independently contour to uneven surfaces, making it far more effective than manual scraping or grinding.
The straight-line design is specifically chosen by professionals in the marine and fabrication industries for its ability to reach into tight recesses, pipes, and deep corners where traditional pistol-grip scalers are too bulky to operate.
Key Features & Industrial Benefits
- Straight-Line Configuration: Provides extended reach and better visibility when working in narrow gaps, engine bays, or internal structural frames.
- High-Impact 3,700 BPM: The rapid-fire action ensures fast material removal, cutting through hardened scale and thick layers of oxidation in seconds.
- 19-Needle Bundle (3mm): Hardened steel needles work independently to clean around bolt heads, weld seams, and textured metal surfaces.
- Heavy-Duty Construction: Built to withstand the rigours of New Zealand workshops, shipyards, and construction sites with a durable, polished housing.
Common Applications Across NZ Industries
The Gison GP-851A pneumatic pin derusting gun is a versatile workhorse trusted for various demanding tasks:
- Marine Maintenance: Removing heavy rust, scale, and barnacle buildup from steel boat hulls and deck fittings.
- Steel Fabrication: Rapid de-slagging and de-sputtering of heavy welds to prepare metal for painting or galvanising.
- Restoration & Masonry: Cleaning brickwork, stone-carving, and removing old mortar or paint from textured surfaces.
- Automotive & Machinery: Stripping chassis rust and cleaning heavy equipment components during overhauls.
Technical Specifications
- Model: GP-851A (Straight Type)
- Needle Size & Count: 3 mm x 19 needles
- Stroke Speed: 3,700 bpm
- Net Weight: 2.60 kg
- Overall Length: 375 mm
- Air Consumption: 0.16 m³/min (5.65 cfm)
- Air Inlet Thread: 1/4"
- Min. Hose Size (I.D.): 8 mm
- Recommended Air Pressure: 90 psi (6.3 kg/cm²)
- Vibration Level: 8.7 m/S²
Why Buy Gison Tools from Albany Air?
Albany Air is New Zealand’s specialist in professional pneumatic equipment. When you purchase the GP-851A from us, you get more than just a tool:
- NZ Owned & Operated: Benefit from local expertise and dedicated customer support.
- Fast Overnight Dispatch: We understand your downtime is costly; we aim for same-day dispatch on stocked items.
- Authorised Local Warranty: Rest easy knowing your industrial tools are backed by full NZ-based warranties and repair services.
- Short Description:
Gison Needle Scaler Str
