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, GOST, CE) ATEX Motor concepts: External rotor motors AC technology