fan image
Model
BD TWINBOX 12/12

BD TWINBOX 12/12

CENTRIFUGAL BELT DRIVE TWINFAN WITH FORWARD CURVED IMPELLER IN SOUNDPROOF CABINET

MANUFACTURING FEATURES

• Impellers made of polyamide reinforced with fi­breglass up to size 12/12 (33/33). Other models are made of galvanised steel sheet.
• BD , BDC , BDP range fans assembled in sound­proof cabinets with thermo-acoustic insulation, Bs1d0 fire class.
• Fan assembled on antivibration mountings.
• Supplied with motor, pulleys and belts.
• Connection gland included.
• Squirrel cage asynchronous standard motor, IP-55 protection and rated class F insulation. Standard voltages 230/400V  50Hz for three phase, motors up to 4kW and 400/690V 50Hz for higher powers.
• Fans can run separately or simultaneously.

APPLICATIONS

Designed for inline installation, indoor or outdoor assembly, they are suitable for:
• Air renewal in buildings and industries.
• Industrial and professional kitchen hood.
• Maximum working temperature: 60ºC.

UNDER REQUEST

• 2 speed motors.
• LG0 position. Add 10% additional cost.
• Impeller made of galvanized sheet.
• Aluminium box up to size 12/12.

* All data are referred to a single working fan. If both fans are working at the same time, data should be twice (x2) except for weight.

Fan

Max flow
9080 m³/h
BD TWINBOX 12/12
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Design point
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Alternative point

BD TWINBOX 12/12

Dimensions scheme
A B C D E F H I J K L M N
1220 651 872 409 351 84 216 940 423 104 123 23 17

BD TWINBOX 12/12

Electrical scheme

BD TWINBOX 12/12

Model
PI 33/33 (12/12)
Information
METALLIC GRAVITY SHUTTER FOR CABINET FANS. CERTIFIED 400ºC/2H

MANUFACTURING FRATURES

• Frame made of galvanised sheet and shutters made of aluminium.
• To be fitted on centrifugal fans likeBDL FIRE F400, DD BOX and BD BOX.
• Certified 400ºC/2h.

Model
TIAC 4 (OUT)
Information
INLET/OUTLET ROUND COVER

MANUFACTURING FEATURES

• Allows duct connection.
• Made of galvanized steel.

Model
VIS OUT 12
Information
OUTDOOR FLANGE WITH BIRD GUARD

MANUFACTURING FEATURES

• Outdoor flange with bird guard.
• Made of galvanized Steel.
• VIS OUT = Outlet
• VIS IN = Inlet

Model
BAC 4 (OUT 12/12)
Information
RECTANGULAR-CIRCULAR ANTI-VIBRATION FLANGE

MANUFACTURING FEATURES

• Accessory for connection of DD BOX, BD BOX and BDL FIRE F400 cabinet fans to a circular duct using anti-vibration canvas.
• Fire resistance M0 of -50ºC to 200ºC in continuous and 400ºC/2h.

BD TWINBOX 12/12

Spare parts scheme
Family Name Qty
1 CASING BV 12/12 x1
2 TURBINE PA6 BV12/12 x1
3 SHAFT BV-BVC12/12 x1
4 BEARING SUPPORT+BEARING BV 12/9 x2