Description

• Centrifugal roof fan suitable for extracting hot fumes at up to 400 °C for 120 minutes.
• Base manufactured from phosphated pressed steel, epoxy powder coated with hammered effect finish, guaranteeing long-term resistance to atmospheric agents.
• Aerodynamically contoured inlet port for optimum performance, fashioned as a single unit with the base and gauged to optimize air flow.
• Motor mounting plate made of steel with galvanization surface treatment.
• Pressed steel motor cover: pickled and phosphated surface, polyester powder coated and oven baked finish, colour grey, with hammered texture.
• Accident prevention and anti-bird grilles (to UNI ISO 13857 standard), consisting of electrically welded steel rings with epoxy powder coated finish, colour black.
• Centrifugal impeller with self-cleaning backward curved blades, dynamically balanced (UNI ISO 1940, Point 1 – Class 6.3), made of electrolytically galvanized pressed steel.
• Dahlander 2 speed three-phase AC motor with shaft turning in ball bearings, size to UNEL MEC standard, flange B5, self-ventilating. Motor insulation class H, with metal cooling fan and cable gland.
• Minimum air flow 8300 m3/h
Maximum air flow: 9100 m3/h.
• Equipped with a motor start capacitor that must be installed remotely from the fan so that it cannot be damaged through direct exposure to heat.
• Galvanized steel eye lugs for transport and lifting/handling operations.
• Cable guaranteeing continuity of earth connection.
• Steel safety wire for anchoring the appliance once installed.
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Certifications

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Technical Data Sheet

  • Frequency (Hz)
    50
  • Insulation class
  • Max absorbed current at Max speed (A)
    4,90
  • Max absorbed current at Min speed (A)
    2,30
  • Max absorbed power at Max speed (W)
    1950
  • Max ambient temperature for continuous operation (°C)
    50
  • Motor protection IP
    55
  • Nominal diameter (mm)
    400
  • Number of phases (Ph)
    3
  • Number of poles
    4
  • Power absorbed at 1st speed (W)
    1400
  • Voltage (V)
    380-415
  • Weight (Kg)
    81,5
  • Airflow at 1st speed (l/s)
    2306
  • Airflow at 1st speed (m³/h)
    8300
  • Max airflow at Max speed (l/s)
    2528
  • Max airflow at Max speed (m³/h)
    9100
  • Max pressure at Max speed (mmH20)
    84
  • Max pressure at Max speed (Pa)
    824
  • Max RPM
    1400
  • Min RPM
    1200
  • Pressure at 1st speed (mmH20)
    72
  • Pressure at 1st speed (Pa)
    706
  • Sound pressure Lp [dB (A)] at 3 m
    84
  • Size A (mm)
    1015
  • Size B (mm)
    830
  • Size C (mm)
    750
  • Size D (mm)
    449
  • Size E (mm)
    283
  • Size F (mm)
    38
  • Size G (mm)
    40
  • Size H (mm)
    770
  • Size L (mm)
    365
  • Size M (mm)
    375
  • Size N (mm)
    562
quota
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