• 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


5 x Isolator Switch - ISOSW1 x ACO8AC/EC AutoChangeover panel2 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 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 EC-Vent Room Unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6305 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/311 x Elta Louvre Shutter - 400mm1 x Jet Cowl - 315mm2 x Helios ZNE Electronic Fan Overrun Timer1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Egg Crate Grille with Dust panel filter 1 inch- 595x5955 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan5 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Vent Axia ACM 100 inline mixed flow duct fan3 x Remote Timer Control - 13513 x Vent Axia ACM 125 inline mixed flow duct fan1 x Run On Timer - 5s - 4hrs - RT5A5 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Push Timer Switch - ZA43 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B2 x 7 Day Programmable TIMECLOCK2 x Elta 3 Amp Electronic single phase speed controller with TK1 x TTC-2000 Three phase electric heater controller3 x Transformer (silent) speed controller - RE 3.0 Amp2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Speed Controller - REB54 x Speed Controller - REB11 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EM30-24 Control Panel Commissioning Service1 x REB-CVF 0-10v Controller3 x PIR Sensor - PIR22 x Contactor Interface Station - CI92 x Multiflow SMB550/4-1AC2 x QPTW 250C Acoustic Twin Fan with Controller2 x PIR Sensor - PIR41 x UB47- Universal Insulated Terminal1 x AIRVENT speed control - AIR4019611 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7104 x Transformer 5 Speed Controller - ATC1-2TK3 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost4 x Transformer 5 Speed Controller - ATC1-4TK2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x TDP-D Pressure Sensor with Display2 x CS2 Current Switch1 x ERR 20/1 Centrifugal inline fan3 x Elta 6 Amp Electronic single phase speed controller with TK1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan2 x Helios TSW 0.3Amp Compact Transformer speed controller2 x CBS-60 Outlet Flange for CSB/CBT-601 x BEAS-control module5 x TG-K3/NTC10-01 - Duct temperature sensor1 x WS - Reversing Switch from Helios Fans2 x TG-R room temperature sensor2 x Transformer (silent) speed controller - RE 5.0 Amp2 x Electronic extractor fan speed controller - FSC 1.54 x Speed Controller - REB1-N3 x MTS10- extractor fan 3 step switch2 x Elta Variable Speed Drive IP66 - 0.75KW4 x VTR 300 STD Filter Kit1 x CBT-100N Centrifugal1 x TD Mixvent 800/200 EEXEIIT32 x Vent Axia Silent 100T (TIMER)2 x Speed Controller - REB2.5-N3 x TG-K Duct temperature sensor2 x Silent 100 Window Kit - windowS1 x Silentub - STUB 1004 x MTP 10, 10K, Speed control2 x SAVE VSR 300 heat recovery unit1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Singleflow SSDL315-1EC1 x Potentiometer EGH 01 - for DDMP Fans1 x Mini Diffuser - 100mm1 x CBA-100 Inlet Flange for CBT-1001 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x VTR 500 STD Filter Kit1 x Helios RR-250-C Centrifugal inline fan1 x CSB-60 Centrifugal fan3 x CPTA-E Flush mounted PIR sensor with timer2 x Helios TSW 7.5 Amp Transformer speed controller2 x Remote controller FLEX - for VEKO INT1 x Capacitor 2uf for use with the EBM A4E range3 x Helios TSW 1.5 Amp Transformer speed controller5 x Transformer speed controller - ATC1 - 1.5 Amps1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Transformer Speed Control - RTRE- 7.0Amp2 x DEF-CBM-RE-7 - Protection Guard2 x Transformer Speed Control - RTRE- 1.5Amp2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Temperature Fan Speed Controller - ATCP4-WMS1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Helios TSW 3 Amp Transformer speed controller2 x Speed controller with Reverse - REB-1R2 x RDS 11 Helios Transformer Controller With Motor Protection2 x TEM 075 - 5 Speed Transformer Speed Control2 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x ERR 31/1 Centrifugal inline fan2 x TG-K Duct temperature sensor1 x Two Speed Switch - REGUL-21 x ELM 18 EX Flexible Cuff for ERM 181 x Helios HQW-200/2 - IP552 x Transformer Speed Control - RTRE- 5.0Amp2 x Airvent ceiling fan controller1 x CBM 9-9 550w 4P VR (Open Motor)2 x Helios HQW-315/4 - IP552 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x Transformer 5 Speed Controller - ATC1-10TK1 x Transformer 5 Speed Controller - ATC1-12TK1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.3 x DEF-140T Inlet Guard for the CBT-100N2 x Vent Axia ACM 200 inline mixed flow duct fan2 x MWS 3 – Transformer Controller With Motor Protection1 x Speed Controller - REB31 x DDMP 09-09 3F 2130W M6A4 DG01 x TUNE-R-200-3-M1 - Control Damper2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Elta 6 Amp Electronic single phase speed controller.1 x DA9/9-NT1 x TUNE-R-200-3-M4 - Control Damper1 x Compact SCD450/4-1AC1 x IR24-P - Presence detector1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x Helios HQW-200/4 - IP551 x Speed Controller - REB102 x CBA-60 Inlet Flange for CBT-601 x Vortice Quadro Micro 100 I - Standard Version1 x Envirovent G4 Filter - SL-G4/F71 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Helios HQW-630/4 - IP552 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Helios HQW-250/4 - IP551 x DDMP 09/09 Mounting Flange2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Speed Controller - REB81 x VEKA INT 2000/15.0-L1 EKO2 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-8TK1 x MWS 5 – Transformer Controller With Motor Protection Unit2 x Helios TSW MCB Amp Transformer speed controller1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Elta 2 Amp Electronic single phase speed controller.1 x FRQ5-10A Inverter Speed controller1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Round ceiling diffuser 400mm1 x LFBR 160 G4 - Helios Inline Filter Box - 160mm1 x DDMP 12-12 3F 1810W M6A4 DG01 x GENIOX 11 Internal Mounted Unit1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x RSK355 - Back Draught Shutter1 x GXC6EC - High Performance Extract Fan1 x Speed Controller - REB6
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