• 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


2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter3 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 15 16 Frequency Inverter1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 212 x Elta 10 Amp Electronic single phase speed controller.1 x FU 075 04 Frequency Inverter (IP20)2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm1 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1254 x Electronic extractor fan speed controller - FSC 1.54 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3154 x Elta 3 Amp Electronic single phase speed controller with TK1 x Circular Ceiling Diffuser - TST 2001 x Curved Blade Grille 600x600 (2way blow)1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta 3 Amp Electronic single phase speed controller.1 x EFSC-3N- Single Phase Speed Control2 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps1 x JSR 200 Painted RAL50183 x Airvent ceiling fan controller1 x Round ceiling diffuser 400mm1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x ELTA - Single Phase Transformer 12amps1 x Circular Ceiling Diffuser - TST 1601 x Balance S Diffuser - NO RING - 100mm1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019614 x COM-31 x Round ceiling diffuser 300mm1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 200mm1 x Elta 6 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A3 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B2 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV3 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x EC-Vent Room Unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EM30-24 Control Panel Commissioning Service1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 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- 3551 x Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P2 x Vent Axia ACM 150 inline mixed flow duct fan4 x Vent Axia ACM 125 inline mixed flow duct fan2 x Envirovent G4 Filter - SL-G4/F75 x Transformer (silent) speed controller - RE 3.0 Amp1 x Transformer (silent) speed controller - RE 1.5 Amp2 x Speed Controller - REB52 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x QPTW 250C Acoustic Twin Fan with Controller1 x MTS10- extractor fan 3 step switch2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-43 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan4 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller3 x Helios TSW 3 Amp Transformer speed controller3 x Three Phase Transformer controllers - RMT 1.5 Amp5 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x MWS 3 – Transformer Controller With Motor Protection2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Helios HQW-200/2 - IP554 x WS - Reversing Switch from Helios Fans2 x Helios HQW-630/4 - IP552 x Helios HQW-200/4 - IP552 x Multiflow SMB550/4-1AC2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x Speed Controller - REB1-N5 x MTP 10, 10K, Speed control1 x Helios HQW-315/4 - IP551 x Helios HQW-250/4 - IP551 x Speed Controller - REB11 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x ELTA - Single Phase Transformer 10amps1 x Transformer 5 Speed Controller - ATC1-4TK1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Helios TSW 1.5 Amp Transformer speed controller1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-12TK3 x Helios TSW MCB Amp Transformer speed controller2 x CS2 Current Switch3 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp4 x MWS 1.5 – Transformer Controller With Motor Protection2 x Two Speed Switch - REGUL-21 x CBS-60 Outlet Flange for CSB/CBT-601 x TG-K3/NTC10-01 - Duct temperature sensor2 x REE-1 Electronic Speed Controller1 x Vent Axia T-Series Controller1 x Speed Controller - REB102 x SG-200 Fan Guard for the HQW 2001 x Transformer Speed Control - RTRE- 7.0Amp1 x Speed Controller - REB31 x Silent 100 Window Kit - windowS1 x REB-CVF 0-10v Controller2 x PIR Sensor - PIR21 x Isolator Switch - EFF-ISO1 x CBM 9-9 550w 4P VR (Open Motor)1 x Transformer (silent) speed controller - RE 5.0 Amp1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x TD Mixvent 800/200 EEXEIIT31 x Transformer Speed Control - RTRE- 1.5Amp1 x UB47- Universal Insulated Terminal1 x Transformer Speed Control - RTRE- 12.0Amp1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Speed Controller - REB81 x TG-K Duct temperature sensor2 x MV-B Dual Switch for use with Helios HQW plate fans,2 x Helios TSW 10 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Isolator Switch - ISOSW2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x TG-R room temperature sensor1 x CBA-60 Inlet Flange for CBT-601 x VTR 300 STD Filter Kit1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC35/402 x Temperature Fan Speed Controller - ATCP4-WMS1 x Speed controller with Reverse - REB-1R1 x Transformer 5 Speed Controller - ATC1-2TK2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x DEF-140T Inlet Guard for the CBT-100N1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven
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 ...