FDv 075 - 280 rooftop radial fans
FDv rooftop radial fans for pumping corrosive and explosive gases, vapors and fumes of dust content of < 5 mg/m³, maximum medium temperature of 40°C and maximum ambient temperature of 40°C.
Polyethylene casing made by injection molding with a guide device as a single casting, with an integrated maintenance-free sealing system with a labyrinth seal. In the Ex version, additionally with a lubricant lock and sealing with a self-sealing ring. Conformity with VDMA 24 169 i RL/94/9/WE (ATEX). Condensate nozzle in the lowest casing point.
Drum rotor made of polypropylene by method of injection molding with rotor blade arrangement ensuring guaranteed negative pressure on the shaft penetration during operation.
Direct drive with a standardized IEC-34 motor in an exhaust air-tight casing, with temperature-resistant motor shields on the casing and rotor to prevent installation position deflections, also in case of a failure. Casing cooling air guided through separated supply and exhaust chambers for cooling air and to prevent uncontrolled circulation.
TECHNICAL DETAILS:
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Exhaust direction: |
vertical |
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Drive: |
1 x 230 V or 3 x 230/400 V, 50 Hz standardized motor, IP55, heat class F with a thermal contactor |
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Protection class for Ex version: |
Fan II 3G c IIB T3 X 04 ATEX D132 Motor EExe II2GT3 |
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Accessories: |
lockable maintenance switch with an auxiliary contactor, installed and equipped with cables (in the Ex version, only the terminal box is installed and equipped with cables |
