Radial-pipe fan with noise-damped casing. Sound-absorbing casing made of galvanized sheet steel with round connection supports tuned to standard pipes. Sound-absorbing perforated plate inner lining, deposited with 50mm strong mineral fiber plate. Removable lid Fan room freely accessible. Motor and impeller can be swiveled out. High-performance radial impeller with backward curved blades made of plastic. Vibration-free running through dynamic balancing according to quality grade G 6.3 VDI 2060 and DIN ISO 1940. Single-phase AC external rotor motor, closed design, maintenance-free, speed can be controlled by voltage reduction, built-in thermal contacts, sealed, low-noise ball bearings with long-term lubrication.
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