QBF Low Noise Silent Centrifugal Acoustic Box Fan

QBF Low Noise Silent Centrifugal Acoustic Box Fan upto 2150m3/hr 4 5 6 8 10 12"
Regular price £160.00
Quiet Box Fan (QBF) fan design allows for supply and extract ventilation for areas/rooms with high requirements to low noise levels and limited mounting space. 
Units can be installed above ceilings or in loft spaces. Suitable for connection with 100 (4"), 125 (5"), 150 (6"), 200 (8"), 250 (10") and 315 (12") mm round ducts.
Sound level and Fan Volume
100mm - 240m3/hr - 33 dBA
125mm - 330m3/hr - 35 dBA
150mm - 420m3/hr - 36 dBA
200mm - 730m3/hr - 38 dBA
250mm - 1300m3/hr - 41 dBA
315mm - 2150m3/hr - 43 dBA
Design
The fan casing is made of galvanized steel sheet and provided with heat- and sound-insulating material.
Motor
The centrifugal impeller with back-curved blades is powered by means of 2-pole asynchronous motor with external rotor. The motors are equipped with built-in thermal overheating protection with automatic restart. Motor ball bearings with selective lubricating oil ensure low-noise and maintenance-free operation.
Electronic temperature and speed module (on unit)
In stock Sold out Sold out (Backorder available)

Quiet Box Fan (QBF) fan design allows for supply and extract ventilation for areas/rooms with high requirements to low noise levels and limited mounting space. 
Units can be installed above ceilings or in loft spaces. Suitable for connection with 100 (4"), 125 (5"), 150 (6"), 200 (8"), 250 (10") and 315 (12") mm round ducts.
Sound level and Fan Volume
100mm - 240m3/hr - 33 dBA
125mm - 330m3/hr - 35 dBA
150mm - 420m3/hr - 36 dBA
200mm - 730m3/hr - 38 dBA
250mm - 1300m3/hr - 41 dBA
315mm - 2150m3/hr - 43 dBA
Design
The fan casing is made of galvanized steel sheet and provided with heat- and sound-insulating material.
Motor
The centrifugal impeller with back-curved blades is powered by means of 2-pole asynchronous motor with external rotor. The motors are equipped with built-in thermal overheating protection with automatic restart. Motor ball bearings with selective lubricating oil ensure low-noise and maintenance-free operation.
Electronic temperature and speed module (on unit)
Delivery:

Dispatch cut off point 12:00pm

(if you order after this time you item will be dispatched the following working day)

Free carriage only apply's to the below if we can use royal mail if the item is to large we will call to discuss as there is other options available.

Postcodes Highlands: FK17-22, G83, IV1-28, IV33-39, KW1-3, KW5-14, PA21-33, PA35-40, PH18-26, PH30-42, AB44-56, IV30-32
Islands: HS1-9, IV40-51,IV55-56,KA27,KA28,KW15-17,PA20,PA34,PA41-48,PA60-78,PH42-44,ZE1-3, JE, GY, IM, TR21-25 (ALL ISLANDS APPLY)
Northen Ireland: BT

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D
David Jones

QBF Low Noise Silent Centrifugal Acoustic Box Fan

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