Centrifugal fan ATEX 2G/3G, 2D/3D

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Overview
ZIEHL-ABEGG ATEX process air fans are available as coated steel or stainless steel units for housing (enclosed) and built-in installation. Manufactured and tested to ATEX 2014/34/EU, these fans are certified for use in hazardous areas Zones 1 and 2 and Zones 21 and 22. They are designed for process air, HVAC and extraction systems where ignition protection and regulatory compliance are required.

Product specification
ATEX fans for housing and built-in versions, certified for potentially explosive atmospheres. Key compliance and design features include:

• Manufactured in conformity with ATEX 2014/34/EU
• Certified for Zones 1 and 2 (gas) and Zones 21 and 22 (dust)
• Available in coated sheet steel or stainless steel
• Designed for industrial process air, paint shops, chemical and petrochemical plants

Properties & special features

• Explosion protection types: d (pressure-resistant enclosure), e (increased safety), nA (non-sparking equipment), td (protection by housing)
• Surface finish electrically conductive to avoid electrostatic ignition
• Special sealing options to separate zones: from double shaft seals to carbon labyrinth seals with sealing-gas connection
• Versions for different zone requirements and for explosion groups IIa, IIb and hydrogen (IIC)

Applications

• Chemical and petrochemical plants
• Paint shops, spray booths and extraction systems
• Industrial HVAC and process air handling

Technical specifications

• Series: ATEX 2G/3G and 2D/3D
• Models shown: ZIEHL-ABEGG PR 352, PR 404
• Versions: housing (enclosed) or built-in fans
• Standards: ATEX 2014/34/EU
• Zone suitability: Zones 1/2 and 21/22
• Materials: coated sheet steel or stainless steel
• Surface: electrically conductive
• Sealing: double shaft seals to carbon labyrinth seals; optional sealing gas connection
• Protection types: d, e, nA, td
• Explosion groups: IIa, IIb, hydrogen (IIC where applicable)