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Air Sander Onpin OP-3855 - 7 Inch Pad, 7000 RPM, 895W Motor Power
The Onpin OP-3855 air sander features an 895 W (1.2 HP) motor power, operating at a standard air pressure of 90 psi / 6.2 bar. It is equipped with a 177 mm (7 inch) pad size and delivers a free speed of 7,000 rpm for heavy-duty industrial surface treatment. The tool has an overall length of 345 mm, a net weight of 3.31 kg, a 3/8 P.T air inlet, and a 9.5 mm (3/8 inch) hose size with an air consumption rate of 791 l/min.
- OP-3855
- OP3855
- OP 3855
- Onpin OP-3855
- Onpin OP3855
- Onpin OP 3855
- OP-3855 series
- OP-3855 model
- 7 inch air sander
- 7 inch pneumatic sander
- 7 inch air polisher
- Onpin pneumatic sander 7 inch
- heavy duty air sander 895W
Design file download links:
Other fileDescription
Specification OP-3855
The Onpin OP-3855 pneumatic sander is a heavy-duty industrial air tool designed for surface grinding, smoothing, and polishing metals and industrial materials. Operating at a standard working pressure of 90 psi (6.2 bar / 6.3 kg/cm²), it combines a robust 895 W (1.2 HP) motor with a 7-inch sanding pad to deliver high-torque performance. This tool is engineered to withstand continuous heavy-duty operations in manufacturing plants and fabrication shops.
Key Features of Onpin OP-3855
- High Motor Power 895 W (1.2 HP): Delivers consistent torque without stalling under heavy grinding loads on tough materials.
- 177 mm (7 inch) Pad Size: Offers a large contact area to significantly increase material removal rates and productivity on wide surface areas.
- Free Speed of 7,000 RPM: Ensures high rotational speed for optimal surface finishing and rapid deburring.
- Ergonomic & Well-Balanced Design: A net weight of 3.31 kg (7.29 lb) and an overall length of 345 mm (13.58 inch) provide operational stability and minimize vibration during continuous use.
- Standard Pneumatic Connections: Features a 3/8 P.T air inlet and a 9.5 mm (3/8 inch) hose size for seamless integration into standard industrial air line systems.
Technical Specifications of Onpin OP-3855
- Brand: Onpin
- Model: OP-3855
- Operating Air Pressure: 90 psi (6.2 bar / 6.3 kg/cm²)
- Pad Size: 177 mm (7 inch)
- Free Speed: 7,000 rpm
- Air Consumption: 791 l/min (28 cfm)
- Overall Length: 345 mm (13.58 inch)
- Air Inlet: 3/8 P.T
- Hose Size: 9.5 mm (3/8 inch)
- Net Weight: 3.31 kg (7.29 lb)
- Motor Power: 895 W (1.2 HP)
Industrial Applications of Onpin OP-3855
- Shipbuilding & Marine Engineering: Weld seam grinding, rust removal, and surface preparation on large hull structures.
- Automotive & Commercial Vehicle Manufacturing: Surface finishing, defect repair, and pre-paint surface conditioning.
- Heavy Metal Fabrication & Steel Construction: Slag removal, deburring, and smoothing cast iron and steel components.
- Pressure Vessel & Tank Fabrication: Grinding and finishing inner and outer weld joints on industrial tanks and pipelines.
