ATEX Fan for Hazardous Area Ventilation | Wolf VF-UB20/230

Wolf Safety Lamp Hazardous Area Lighting

ATEx fan | Wolf VF-UB20/230

Portable Fans & Temporary Ventilation for Hazardous Areas with ATEX Certification

Ramfan | UK Distributor | Wolf Safety Lamp Company

The 20cm Wolf VF-UB20/230 ATEX Ventilation Fan is the largest in the range of hazardous area fans and ventilators and produces a class leading airflow of up to 980 cfm (1,666 m3/hr).

The Ramfan portable fan is tough, resistant to chemicals has anti-static housing and is supplied with a 7.6m long power cable. It operates at an ultra-quiet level of 74dB at one metre.

ATEX and IECEx certified the ventilation fan is suitable for use in Zone 1 & Zone 2 Explosive Atmospheres & Hazardous Area Zones  – the portable fan has an IP55 rating. The hazardous area ventilation fan is supplied complete with duct adapters and ATX plug.

Ramfan is a world leading manufacturer of portable fans and ventilators for confined spaces and hazardous area zone locations where potentially explosive risks (flammable gas or combustible dusts) necessitate a compliant and certified ventilation fan in accordance with ATEX & IECEx.

Ramfan is a world leading manufacturer of portable fans and ventilators for confined spaces and hazardous area zone locations where potentially explosive risks (flammable gas or combustible dusts) necessitate a compliant and certified ventilation fan in accordance with ATEX & IECEx.


Further technical information about the 20cm 115V & 230V hazardous area ventilation fans can be found below:

Contact Thorne & Derrick Sales Team for further information, technical advice or to place an order for Wolf VF-UB20/230.

  • Product: ATEX Fan 230V
  • Manufacturer: Ramfan
  • Distributor: Wolf Safety Lamp
  • Description: EF8002 20cm 1/4HP 240v 50/60 Hz IECEX/ATEX/INMETRO Blower-Exhauster
  • Power Supply 230V
  • ATEX and IECEx certified for use in Zone 1 & 2
  • Class leading air-flow at up to 980 cfm (1,666 m3/hr)
  • Ultra quiet – 74dB at 1 metre
  • Compact and lightweight – 12kg
  • Thermally protected cut-off switch
  • Durable, PC/ABS anti-static casing – weatherproof, dent resistant, v0 flame retardant and chemical resistant
  • Starter secured in flameproof motor enclosure to prevent risk of ignition when powered on
  • Extended reach power cable – 7.6 metres
  • IP55 water tight rain tested switch enclosure

Fan Product Table

Should you require any customer service or support to enable the correct selection of portable ventilation equipment please do not hesitate to contact us.

ATEX Fan Product Reference VF-UB20XX (115V) VF-UB20XX (230V)
Fan Description 20cm Hazardous Location Fan / Ventilator
Hazardous Area Code II 2 G Ex db eb IIB T6 Gb
II 2 G Ex h IIB T6 Gb
Type of Explosion Protection db’ flameproof enclosures
‘eb’ increased safety
‘h’ non-electrical equipment
Area of Flammable Class (Gas) Zones 1 & 2, Gas Groups IIA and IIB
Max Surface Temp (Gas) T6
Ambient Temp (Gas) -20°C TO +40°C
Hazardous Area Certificate  DEMKO 09 ATEX 0926969X
IECEx UL 13.0062X
Enclosure Anti-static PolycarbonateABS Alloy
Motor 0.33 Hp (0.25 kW)
Voltage 115V 50/60Hz 230V 50/60Hz
Amps:Start Amps: Run 7A / 2.3A 7A / 1.2A
Free Air Through Duct 980 cfm (1,666m³/hr) 816 cfm (1,386m³/hr)
15’/4.6m with one 90° turn 980 cfm (1,666m³/hr) 659 cfm (1,120m³/hr)
15’/4.6m with two 90° turn 666 cfm (1,132m³/hr) 558 cfm (948m³/hr)
25’/7.6m with one 90° turn 722 cfm (1,227m³/hr) 603 cfm (1,025³/hr)
25’/7.6m with two 90° turn 614 cfm (1,044m³/hr) 510 cfm (1,025³/hr)
Ingress Protection IP55
Fan Dimensions (H/W/D) 35 x 35 x 39 cm
Fan Weight  12kg
Duct Adapters 2
Noise 74 dB @ 1m

Wolf Safety is the world’s leading manufacturer of hazardous area portable temporary lighting, offering the widest range of ATEX and IECEx certified explosion protected lighting and power distribution systems for safe use in potentially explosive atmospheres worldwide.


Portable ATEX Ventilation & Lighting for Explosive Atmospheres & Hazardous Areas

Ramfan is a world leading manufacturer of portable fans and ventilators, commonly referred to as Air Movers, for confined spaces and hazardous areas – the range of Ramfans are trusted and specified for ventilating and exhausting workplaces with potentially explosive atmospheres. In 2019, Wolf Safety Lamp were appointed Exclusive UK Distributor for the Ramfan – Wolf are the UK’s leading manufacturer of ATEX & IECEx portable and temporary safety lighting accredited for use in hazardous locations. Thorne & Derrick, Experts in Equipment for Explosive Atmospheres, can provide competitive prices and excellent customer service to support the specification and sale of Hazardous Area Temporary & Portable Ventilation & Lighting Products.

ATEX Fans Ventilators Air Movers Ramfans

Choose from a wide range of Ramfan Portable Ventilation Products such as industrial fans, blowers and ducts distributed in the UK by Wolf.

➡ Read Blog Confined Spaces | Light, Power, Heat & Ventilation for Explosive Atmospheres

Data Sheets