• 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 Helios TSW 1.5 Amp Transformer speed controller1 x Elta 10 Amp Electronic single phase speed controller.1 x Circular Ceiling Diffuser - TST 1251 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2001 x PCA Diffuser - PCA-3151 x ELTA - Single Phase Transformer 2amps1 x Balance S Diffuser - NO RING - 125mm1 x Round ceiling diffuser 400mm1 x Balance S Diffuser - NO RING - 100mm1 x Versio Square Ceiling Diffusers - RS141 x Circular Ceiling Diffuser - TST 1602 x Electronic extractor fan speed controller - FSC 1.51 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 200mm1 x EC6H - Reversible Group Fan Electronic Controller1 x Round ceiling diffuser 350mm1 x Round ceiling diffuser 250mm1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 16amps1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 4amps1 x Airvent ceiling fan controller1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x EFSC-6N- Single Phase Speed Control1 x PCA Diffuser - PCA-2501 x Elta 6 Amp Electronic single phase speed controller.2 x COM-31 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 10amps2 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B2 x Multi Input Run On Timer - 0 - 20min - CFCU2 x Push Timer Switch - ZA42 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 x ACO 149-ACO1/EDV1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent Room Unit1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x REB-CVF 0-10v Controller1 x Elta Wall Cowl SWC35/401 x CBT-100N Centrifugal1 x Elta Wall Cowl SWC45/501 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC25/311 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Mini Diffuser - 100mm1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x CBB-60N Centrifugal1 x Economy Airvent 100mm Fan with Timer1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x D2E-146-AP47-751 x DV-ROF-V-225 Roof mounted unit1 x DPD 12PM Delivery Surcharge1 x Same Day Shipping Surcharge - City Sprint1 x DEF-900AN1 x G2E160−AL19−56 FLUE FAN1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-12TK1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Helios TSW 3 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x DEF-140T Inlet Guard for the CBT-100N1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Isolator Switch - ISOSW1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x TG-K Duct temperature sensor1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Vent Axia T-Series Controller1 x BEAS-control module1 x Envirovent G4 Filter - SL-G4/F71 x Transformer (silent) speed controller - RE 3.0 Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CBS-60 Outlet Flange for CSB/CBT-601 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Transformer (silent) speed controller - RE 5.0 Amp1 x Transformer Speed Control - RTRE- 7.0Amp1 x Speed Controller - REB101 x Speed Controller - REB51 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x CBM 9-9 550w 4P VR (Open Motor)1 x Transformer Speed Control - RTRE- 1.5Amp1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x MTS10- extractor fan 3 step switch1 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 ...