Mid-pressure pipe fan with cylindrical tube shell, flange on both sides, directly driven. Cylindrical tube made of galvanized steel plate, with flange shaped on both sides, shown in hole pattern according to DIN 24155 Bl.3 with integrated guide wheel. Axial load wheel made of plastic with 14 spatially curved blades. Vibration-free operation thanks to dynamic balancing according to quality level G 6.3 VDI 2060 and DIN ISO 1940. Single-phase alternating current capacitor motor, closed type, maintenance-free, with thermal contacts built into the winding, variable speed through voltage reduction, sealed, low-noise ball bearings with long-term lubrication, not reversible.
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