The Wolf Safety VF-EFi75xx & VF-EFi150xx High-Output Hazardous Area Blower/Exhauster series (engineered in strategic partnership with Ramfan™) represents the pinnacle of industrial explosion-proof ventilation technology. Built specifically to handle demanding air displacement challenges in high-risk environments, these heavy-duty units fully comply with international ATEX and IECEx certifications for Zone 1 and Zone 2 hazardous locations (Gas Groups IIA, IIB, Temperature Class T6).

This versatile product line offers two motor power and size configurations tailored to varying project scales:
- VF-EFi75xx: Powered by a 0.75 HP (0.55 kW) motor with a 30cm (12-inch) duct housing, generating impressive free airflow up to 2,500 cfm (4,250 m³/h).
- VF-EFi150xx: Powered by a robust 1.5 HP (1.1 kW) motor with a 40cm (16-inch) duct housing, producing a massive free airflow of up to 4,459 cfm (7,580 m³/h)—ideal for large-scale industrial ventilation.
Both series offer dual-voltage supply options of 115V AC or 230V AC (50/60Hz), featuring enclosed motor starters safely sealed inside flameproof enclosures ('db') to prevent electrical sparking during startup and operation.

The fan housing is precision-molded from carbon-filled conductive Polycarbonate/ABS alloy, designed to safely discharge static electricity, withstand heavy mechanical impacts, resist aggressive chemicals, and comply with V0 flame-retardant standards. Dynamically balanced precision impellers deliver high static pressure, driving air through long ducting runs up to tens of meters without significant flow degradation.

Equipped with an IP55 rain-tested enclosure, a heavy-duty stackable frame for space-saving storage, and ergonomic carrying handles, the Wolf Safety VF-EFi75xx & VF-EFi150xx blowers are indispensable assets for shipyard maintenance, oil tank cleaning, refinery turnarounds, underground tunnel projects, and emergency hazmat response operations.

• Manufacturer: Wolf Safety Lamp Company Ltd (In partnership with Ramfan™)
• Product Line: High-Output Hazardous Area Blower/Exhauster
• Model References:
  - VF-EFi75xx (115V) / VF-EFi75xx (230V) — 30cm (12") Version
  - VF-EFi150xx (115V) / VF-EFi150xx (230V) — 40cm (16") Version
• Explosion-Proof Certifications: ATEX & IECEx (Zone 1 & Zone 2)
• ATEX Marking: II 2 G Ex db eb IIB T6 Gb / II 2 G Ex h IIB T6 Gb
• Operating Ambient Temperature: -20°C to +40°C
• Electrical & Motor Specifications:
  - VF-EFi75xx (115V/230V): 0.75 HP (0.55 kW) Motor | 115V AC or 230V AC (50/60Hz)
  - VF-EFi150xx (115V/230V): 1.5 HP (1.1 kW) Motor | 115V AC or 230V AC (50/60Hz)
• Fan Duct Diameter:
  - VF-EFi75xx: 30 cm (12 inches)
  - VF-EFi150xx: 40 cm (16 inches)
• Free Airflow Performance:
  - VF-EFi75xx: 2,500 cfm (4,250 m³/h)
  - VF-EFi150xx: 4,459 cfm (7,580 m³/h)
• Airflow Through Duct (Duct Airflow @ 25' / 7.6m):
  - VF-EFi75xx: ~1,660 cfm (2,820 m³/h)
  - VF-EFi150xx: ~3,179 cfm (5,400 m³/h)
• Housing Material: Anti-static Conductive PC/ABS Alloy (corrosion proof, high-impact resistant, V0 flame retardant)
• Engress Protection Rating: IP55 (Dust tight and rain resistant)
• Power Cable Length: 7.6 meters (Heavy duty)
• Dimensions (H x W x D):
  - VF-EFi75xx: 48 x 41 x 41 cm
  - VF-EFi150xx: 48 x 46 x 50 cm
• Net Weight:
  - VF-EFi75xx: ~22 kg
  - VF-EFi150xx: ~28 kg
• Applicable Standards: EN 60079-0, EN 60079-1, EN 60079-7, ISO 80079-36