LEF-MEF Series
The LEF and MEF Series of direct drive centrifugal fan sets are equipped with backward blade impellers for optimum efficiency. Designed for mixed airflows up to 23,500 m³/h, they are particularly suited to operation by variable speed control.
Enjoying a fully galvanised construction, complete with inlet grill, support legs and anti-vibration pads they can be supplied in optional with spark proof (EExe T3) protection.
For extraction of corrosive gases alternative construction materials, including stainless steel and acid-proof steel complete with epoxy painted impeller and suction inlet are available.
More about this product
- Air volume up to 23,500 m³/h
- Pressure up to 4.500 Pa
- Motor directly driven by a B5- Flange motor
- Sealing class IP-55
- Voltage: 3 x 400V or 1 x 230V / 50 Hz
- Made of hot-galvanised plate
- All screws and bolts electrolytically galvanised
- LEF/MEF 250 – 630 – LEX/MEX ATEX versions with vibration absorbers, inlet nozzle with net and clamp for mounting the outlet flange
- The dust amount from the extracted air may not exceed 12 g/m³
- The size of the dust particles may not exceed 6 mm³
- The dust/steams may not be sticky
- Surrounding temperature: +40°C
- Temperature of extracted air: +80°C