Backward curved rectangular duct fans
Backward curved rectangular duct fans
Backward curved rectangular duct fans
Ideal for transporting even contaminated air
Helios centrifugal rectangular duct fans with backward curved impeller blades for conveying contaminated air. Particularly easy to service due to the retractable motor-impeller unit. High-performance impellers with high efficiency. Compact design, low space requirement, linear rectangular duct throughflow. Optionally available with EC technology and as SKR type with silenced AcousticLine version.
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