Bionic, low-noise blade for universal use. Following the example of the owl this blade is provided with a serrated trailing edge and a winglet for maximum noise reduction. Available dimensions 250 – 1,250 mm, volume flow rates up to 52,000 m³/h and static pressure increase up to 418 Pa.

Properties & special features

• Low operating costs due to optimum efficiency with minimum noise emissions
• High flexibility due to 100% speed controlled volume flow rate
• Very smooth running and high durability due to dynamic balancing on 2 levels
• Compact dimensions for every installation situation
• Meets current ErP Directive
• Numerous approvals (incl. VDE, UL, CCC, EAC, CE)

External rotor motrs

• ECblue EC technology with integrated controller matched to the fan
• AC technology

FC series
Product specification

Proven die-cast aluminium blade for use in aerodynamically designed air duct systems, such as full nozzles and pipe installation. Available dimensions 315 – 1250 mm, volume flow rates up to 62,000 m³/h and static pressure increase up to 300 Pa.

Properties & special features

• High flexibility due to 100% speed controlled volume flow rate
• Compromise between energy efficiency and investment costs
• Very smooth running and high durability due to dynamic balancing in 2 planes
• Meets ErP Directive 2015
• Numerous approvals (incl. VDE, UL, CCC, EAC, CE)

Motor concepts

• AC technology

FB series
Product specification

Cost-efficient pressed-steel blades for use in short nozzles. Available dimensions 200 – 630 mm, for volume flow rates up to 12,500 m³/h, free blowing with static pressure increase up to 159 Pa.

Properties & special features

• Tried and tested fan with pressed-steel blades
• Optimised for use in short nozzles
• Meets ErP Directive 2015
• Numerous approvals (incl. VDE, UL, CCC, EAC, CE)
• ATEX

Motor concepts
External rotor motors

• AC technology