Floor-standing fume extractor GFB2 W3

stationaryindustrialwelding

Overview
The GeoFilter GFB2 W3 is a self-cleaning cartridge filter unit engineered for efficient welding fume extraction in industrial environments. Built to W3 classification, it integrates safety and maintenance features to reduce operator exposure during filter replacement and handling.

Key features

• Complete self-cleaning filter unit for welding fume extraction.
• Certified to DIN EN ISO 21904-1 and 21904-2 (W3 classification).
• Integrated alarm and lamp indicators for timely cartridge replacement.
• Clean-side cartridge removal procedure to minimise contamination exposure.
• Automatic timer-controlled cleaning (factory pre-programmed, adjustable).
• Optional upgrade to differential pressure-controlled cleaning based on pressure loss.
• Integrated vacuum system for the dust collection bucket to prevent recontamination during emptying.

Additional product information
The GFB2 W3 is tailored for industrial welding fume extraction. Compared with standard GFB2 units, the W3 variant adds enhanced safety and handling features for safer cartridge changes and maintenance. Cleaning intervals are automatic and configurable to match site-specific operating conditions.

Technical table
Material: Galvanised steel
Installation: Indoor / Outdoor
Max. air volume: 1,800 m³/h
3,600 m³/h
5,400 m³/h
7,200 m³/h
Voltage: 230 V
Power: 30 W
Compressed air (Supply): 6 Bar
Compressed air (Consumption): 3 Liter
Filter area: 30 m²
60 m²
90 m²
120 m²
Connection (inlet): ø315 mm
ø315 mm
ø400 mm
ø500 mm
Connection (outlet): ø315 mm
ø315 mm
2 x ø315 mm
3 x ø315 mm
Dimensions (LxWxH): 635 x 935 x 2,226 mm
635 x 935 x 2,226 mm
935 x 935 x 2,226 mm
935 x 1,230 x 2,226 mm
Weight: 145 kg
165 kg
190 kg
230 kg

Technical specifications

• Model: GFB2 W3 (self-cleaning cartridge filter for welding fumes)
• Certification: DIN EN ISO 21904-1 and 21904-2 (W3)
• Material: Galvanised steel
• Installation: Indoor / Outdoor
• Airflow options: 1,800 / 3,600 / 5,400 / 7,200 m³/h
• Electrical supply: 230 V, 30 W
• Compressed air supply: 6 Bar; consumption 3 L (per cleaning)
• Filter area options: 30 / 60 / 90 / 120 m²
• Inlet / outlet connection variations including ø315, ø400 and ø500; multi-outlet options available
• Dimensions and weights vary by configuration (see technical table above)
• Features: timer-controlled automatic cleaning (adjustable), optional differential pressure control, alarm/lamp indicator, clean-side cartridge removal procedure, integrated vacuum for dust bucket