• Model:SB250-CON4-1

Biflow SB250-CON4-1 - High Temperature Bifurcated Fan

£ 1,701.18 (excl. VAT)

£ 2,041.42 (inc. VAT)

A range of bifurcated axial fans, specially developed with motor out of the airstream to handle more hostile air movement applications.

Max Duty - 1,008m3/hr
Speed RPM - 1450
Single Phase - 220V to 240V / 50Hz
Max Power Absorbed - 0.120kW
Suitable for operating temperatures up to +200°C
DBA @ 3m - 48dB Inlet

High Temperature
Class H motors out of the airstream are not effected by contaminates in the ventilated air. Suitable for elevated temperatures of up to 200°C.
Efficient Performance
High Efficiency Adjustable pitch aerofoil impellers are provided with blades made from high quality pressure die cast aluminium.
Weather Resistance
The fans are suitable for external mounting as standard.
Long Life
Motor is isolated from hot and contaminated air, prolonging the life of the fan. Motors are foot mounted, totally enclosed fan cooled, IP55, with sealed for life bearings with a standard industrial paint finish and Class H insulation to EN 60034-5.
Impeller
Adjustable pitch aerofoil impellers are provided with blades made from high quality pressure die cast aluminium (LM6), natural finish. Impellers are factory set at an angle to provide maximum performance. The hubs are manufactured from die cast aluminium alloy (LM24). Assembled impellers are to be dynamically balanced to ISO 14694 Grade G6.3.

Typical Applications
• Kitchen Extract
• Spray Booths
• Hot Gas Situations
• Corrosive Atmospheres
• Boiler Houses
• Heavy Industrial


PDF Files


Biflow

1 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Multi Input Run On Timer - 0 - 20min - CFCU2 x COM-31 x CS2 Current Switch1 x 7 Day Programmable TIMECLOCK3 x Time Delay Unit - DT20B7 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x TTC-2000 Three phase electric heater controller2 x MWS 3 – Transformer Controller With Motor Protection1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x MV-B Dual Switch for use with Helios HQW plate fans,2 x Isolator Switch - ISOSW1 x Multiflow SMB550/4-1AC1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic2 x TG-K Duct temperature sensor1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent control board4 x Elta 6 Amp Electronic single phase speed controller with TK3 x Systemair Save Connect 2.0 Internet Module1 x ACO 149-ACO1/EDV2 x TG-K3/NTC10-01 - Duct temperature sensor2 x MWS 1.5 – Transformer Controller With Motor Protection1 x Elta ACO Panel 149-ACO18B1 x Helios HQW-200/2 - IP551 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Transformer 5 Speed Controller - ATC1-12TK1 x BEAS-control module1 x EC-Vent Room Unit1 x Helios HQW-200/4 - IP551 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x WS - Reversing Switch from Helios Fans1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EC6H - Reversible Group Fan Electronic Controller1 x Envirovent G4 Filter - SL-G4/F71 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...