• 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


1 x KBD- outlet mounting flange for CRMT 2251 x IP65 Remote Speed Adjustment Station1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x Elta Wall Cowl SWC35/401 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x Elta Louvre Shutter - 400mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Step switch S-5EC, 0-10V1 x D2E-146-AP47-751 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Small Centrifugal Fans CBM/2-133/190 185w1 x Remote controller FLEX - for VEKO INT1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Helios TSW 7.5 Amp Transformer speed controller1 x Helios TSW 3 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 10 Amp Transformer speed controller2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Helios TSW 1.5 Amp Transformer speed controller1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Vent Axia ACM 150 inline mixed flow duct fan1 x RDS 7 Helios Transformer Controller With Motor Protection1 x Transformer 5 Speed Controller - ATC1-2TK1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Systemair Save Connect 2.0 Internet Module1 x MV-B Dual Switch for use with Helios HQW plate fans,2 x DEF-140T Inlet Guard for the CBT-100N1 x CS2 Current Switch1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Vent Axia SC5001 - Speed controller1 x Elta 3 Amp Electronic single phase speed controller with TK1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box1 x WS - Reversing Switch from Helios Fans1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Helios HQW-200/2 - IP551 x Two Speed Switch - REGUL-21 x Electronic extractor fan speed controller - FSC 1.51 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Push Timer Switch - ZA41 x RTRD - Three Phase Speed Controller - 2 Amp1 x Helios HQW-630/4 - IP551 x Remote Timer Control - 13511 x MWS 3 – Transformer Controller With Motor Protection1 x Isolator Switch - ISOSW1 x Helios HQW-200/4 - IP551 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)1 x CBS-60 Outlet Flange for CSB/CBT-60
BD7/7 centrifugal M4 0.13Kw
BD7/7 centrifugal M4 0.13Kw
£ 345.00 now £ 300.00
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 ...