• Model:SB250-CON4-3

Biflow SB250-CON4-3 - High Temperature Bifurcated Fan

£ 1,663.74 (excl. VAT)

£ 1,996.49 (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 - 972m3/hr
Speed RPM - 1370
Three Phase - 380V to 415V / 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


4 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Push Timer Switch - ZA43 x CS2 Current Switch1 x Helios ZNE Electronic Fan Overrun Timer2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x MWS 3 – Transformer Controller With Motor Protection2 x Isolator Switch - ISOSW1 x Time Delay Unit - DT20B4 x Multi Input Run On Timer - 0 - 20min - CFCU1 x TTC-2000 Three phase electric heater controller1 x ACO8AC/EC AutoChangeover panel3 x COM-31 x ACOAS/ AC/EC Auto Changeover 8Amp3 x Elta 6 Amp Electronic single phase speed controller with TK2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x EM30-24 Electro-Mechanical Control Panel2 x TG-K Duct temperature sensor1 x ACO 149-ACO1/EDV2 x MWS 1.5 – Transformer Controller With Motor Protection1 x Systemair Save Connect 2.0 Internet Module1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Transformer 5 Speed Controller - ATC1-12TK1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Elta ACO Panel 149-ACO18B1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Transformer Speed Control - RTRE- 7.0Amp1 x BEAS-control module1 x TG-R room temperature sensor2 x Isolator Switch - EFF-ISO1 x EM30-24 Control Panel Commissioning Service1 x WS - Reversing Switch from Helios Fans1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR
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 ...