• Model:SB250-CON2-3

Biflow SB250-CON2-3 - High Temperature Bifurcated Fan

£ 1,641.00 (excl. VAT)

£ 1,969.20 (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 - 2,037.6m3/hr
Speed RPM - 2780
Three Phase - 380V to 415V / 50Hz
Max Power Absorbed - 0.250kW
Suitable for operating temperatures up to +200°C
DBA @ 3m - 61dB 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


2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 15 40 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 22 25 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter RUCK - FU 075 201 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 10amps1 x FRQ5-10A Inverter Speed controller1 x Elta 10 Amp Electronic single phase speed controller.1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FU 075 04 Frequency Inverter (IP20)1 x NKS-D swirl diffuser v-300 x 300mm1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3151 x Balance S Diffuser - NO RING - 125mm1 x ELTA - Single Phase Transformer 2amps1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)3 x Electronic extractor fan speed controller - FSC 1.53 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1601 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Balance S Diffuser - NO RING - 100mm1 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 16amps1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 200mm3 x Elta 3 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x Airvent ceiling fan controller1 x Round ceiling diffuser 300mm1 x Elta 3 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 4amps2 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 12amps1 x COM-31 x PCA Diffuser - PCA-2502 x Elta 6 Amp Electronic single phase speed controller.1 x EFSC-6N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 10amps3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer3 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B2 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x ACOAS/ AC/EC Auto Changeover 8Amp2 x ACO8AC/EC AutoChangeover panel1 x EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Elta ACO Panel 149-ACO18B1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT3 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Easy-fix termination kit - High Rise Ventilator - EFT1 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 Elta Wall Cowl SWC35/401 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/311 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Speed Controller - REB11 x UB47- Universal Insulated Terminal1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Potentiometer EGH 01 - for DDMP Fans2 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 fan3 x Remote controller FLEX - for VEKO INT2 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Helios TSW 7.5 Amp Transformer speed controller2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Helios TSW 3 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Vent Axia ACM 100 inline mixed flow duct fan2 x DEF-140T Inlet Guard for the CBT-100N2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x TG-K3/NTC10-01 - Duct temperature sensor2 x Speed Controller - REB52 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Transformer (silent) speed controller - RE 5.0 Amp1 x Transformer Speed Control - RTRE- 7.0Amp1 x CBM 9-9 550w 4P VR (Open Motor)1 x Speed Controller - REB1-N1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x MTP 10, 10K, Speed control1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x PIR Sensor - PIR21 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x PIR Sensor - PIR41 x VTR 300 STD Filter Kit2 x Speed Controller - REB2.5-N1 x DDMP 12-12 3F 1810W M6A4 DG01 x CBT-100N Centrifugal1 x Contactor Interface Station - CI92 x Mini Diffuser - 100mm2 x Silentub - STUB 1001 x Compact SCD450/4-1AC2 x EBM-Papst D3G133-BF05-14 Double inlet1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x CBA-100 Inlet Flange for CBT-1001 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C1 x CO2 Room Sensor - CO2-R2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Temperature Fan Speed Controller - ATCP4-WMS2 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer 5 Speed Controller - ATC1-8TK1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Helios TSW 1.5 Amp Transformer speed controller2 x Vent Axia ACM 125 inline mixed flow duct fan2 x CS2 Current Switch1 x Isolator Switch - ISOSW1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x MWS 3 – Transformer Controller With Motor Protection2 x TEM 075 - 5 Speed Transformer Speed Control1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Two Speed Switch - REGUL-21 x Helios HQW-200/2 - IP551 x Vent Axia T-Series Controller1 x Transformer Speed Control - RTRE- 12.0Amp1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Helios HQW-630/4 - IP551 x CBS-60 Outlet Flange for CSB/CBT-601 x Speed Controller - REB31 x Transformer (silent) speed controller - RE 1.5 Amp2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B
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 ...