• 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

4 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 7.5KW2 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 Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP664 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW3 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)2 x FRQ5-10A Inverter Speed controller1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter3 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x NKS-D swirl diffuser v-300 x 300mm1 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1251 x PCA Diffuser - PCA-3154 x Electronic extractor fan speed controller - FSC 1.51 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2004 x EC6H - Reversible Group Fan Electronic Controller2 x Round ceiling diffuser 400mm1 x Curved Blade Grille 600x600 (2way blow)1 x 5-Speed Controller for use with Elta SAX Classic Fans2 x Elta 2 Amp Electronic single phase speed controller.1 x JSR 200 Painted RAL50185 x Elta 6 Amp Electronic single phase speed controller with TK3 x Airvent ceiling fan controller2 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 16amps1 x Circular Ceiling Diffuser - TST 1603 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 3 Amp Electronic single phase speed controller.1 x Balance S Diffuser - NO RING - 100mm1 x ELTA - Single Phase Transformer 12amps2 x Round ceiling diffuser 300mm3 x COM-31 x ELTA - Single Phase Transformer 4amps4 x AIRVENT speed control - AIR4019612 x Round ceiling diffuser 200mm2 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x PCA Diffuser - PCA-2503 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A3 x Push Timer Switch - ZA43 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B4 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp2 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x Elta ACO Panel 149-ACO18B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit5 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Control Panel Commissioning Service3 x MTP 10, 10K, Speed control1 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 Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC25/312 x CBT-100N Centrifugal1 x Elta Wall Cowl SWC45/501 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Jet Cowl - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x CBA-100 Inlet Flange for CBT-1001 x Single Deflection Grille 400mm with OBD damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH4 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Three Phase Transformer controllers - RMT 1.5 Amp3 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Envirovent G4 Filter - SL-G4/F73 x Vent Axia T-Series Controller5 x Transformer (silent) speed controller - RE 3.0 Amp2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted3 x Speed Controller - REB53 x REB-CVF 0-10v Controller2 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x PIR Sensor - PIR23 x QPTW 250C Acoustic Twin Fan with Controller1 x UB47- Universal Insulated Terminal3 x PIR Sensor - PIR43 x Mini Diffuser - 100mm2 x SAVE VSR 300 heat recovery unit1 x Contactor Interface Station - CI91 x CO2 Room Sensor - CO2-R3 x Transformer (silent) speed controller - RE 1.5 Amp1 x VTR 500 STD Filter Kit1 x KBA- Inlet Mounting 2251 x RUCK MTP 20, 10K, Speed control1 x Quietflow SQS250-1ECL - Centrifugal Box Fan1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x Vent Axia T-Series Wall Model TX9WL1 x MV-Silent 250 Bathroom Extractor Fan Kit - Standard - No Timer1 x Spiral Ducting 1 meter - 200mm2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-45 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost3 x Helios TSW 7.5 Amp Transformer speed controller4 x Remote controller FLEX - for VEKO INT3 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-10TK3 x Transformer 5 Speed Controller - ATC1-12TK4 x Helios TSW MCB Amp Transformer speed controller2 x Vent Axia ACM 200 inline mixed flow duct fan1 x Helios TSW 1.5 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-8TK5 x Vent Axia ACM 125 inline mixed flow duct fan2 x DEF-140T Inlet Guard for the CBT-100N3 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x TG-K Duct temperature sensor1 x BEAS-control module2 x MWS 3 – Transformer Controller With Motor Protection1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Two Speed Switch - REGUL-25 x MWS 1.5 – Transformer Controller With Motor Protection2 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT5 x WS - Reversing Switch from Helios Fans2 x Helios HQW-630/4 - IP553 x Transformer Speed Control - RTRE- 12.0Amp3 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Multiflow SMB550/4-1AC2 x Transformer (silent) speed controller - RE 5.0 Amp2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS3 x Helios HQW-200/4 - IP553 x Speed Controller - REB1-N1 x Helios HQW-315/4 - IP552 x Silent 100 Window Kit - windowS2 x CBM 9-9 550w 4P VR (Open Motor)3 x Vent Axia Silent 100T (TIMER)1 x MTS10- extractor fan 3 step switch2 x Speed Controller - REB11 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x Elta - Room Sensor - Temp/Humid/C021 x Helios HQW-355/4 - IP552 x CPTA-E Flush mounted PIR sensor with timer3 x Temperature Fan Speed Controller - ATCP4-WMS1 x RTRD - Three Phase Speed Controller - 2 Amp2 x Helios TSW 3 Amp Transformer speed controller1 x Capacitor 2uf for use with the EBM A4E range2 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Vent Axia ACM 100 inline mixed flow duct fan2 x CS2 Current Switch1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan2 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Helios HQW-200/2 - IP553 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x ERR 20/1 Centrifugal inline fan2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x REE-1 Electronic Speed Controller2 x Speed Controller - REB32 x CBS-60 Outlet Flange for CSB/CBT-602 x TG-R room temperature sensor3 x Speed Controller - REB101 x Skyflow SSR Horizontal Roof Cowl SSR31/35B2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x Isolator Switch - EFF-ISO1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x FFR 355 Filter Cassette1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Transformer Speed Control - RTRE- 7.0Amp1 x Transformer Speed Control - RTRE- 5.0Amp2 x Transformer Speed Control - RTRE- 1.5Amp1 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Helios HQW-250/4 - IP551 x SG-200 Fan Guard for the HQW 2001 x Speed Controller - REB81 x DDMP 12-12 3F 1810W M6A4 DG02 x TG-K Duct temperature sensor1 x DDMP 09/09 Mounting Flange2 x VTR 300 STD Filter Kit2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-2TK3 x RDS 11 Helios Transformer Controller With Motor Protection1 x Transformer speed controller - ATC1 - 1.5 Amps1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Vent Axia SC5001 - Speed controller2 x Isolator Switch - ISOSW1 x ERR 31/1 Centrifugal inline fan1 x TD Mixvent 800/200 EEXEIIT31 x CBA-60 Inlet Flange for CBT-602 x Compact SCD450/4-1AC1 x Speed Controller - REB161 x KBA- inlet mounting flange for CRMT 2501 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x GENIOX 11 Internal Mounted Unit2 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x CBP-18/18-RC Belt Driven Centrifugal Fans1 x Silentub - STUB 1001 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Duct Termination with Mesh - 355mm1 x Electrostatic Precipitator - 1H x 3W1 x Helios RR-250-C Centrifugal inline fan1 x CBM 12-12 1100w 6P Three Phase1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x TUNE-R-250-3-M0 - Control Damper (NO ACTUATOR)1 x VEKA INT 2000/15.0-L1 EKO1 x Duct Termination with Mesh - 100mm1 x CSB-60 Centrifugal fan1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x EBM-Papst D3G133-BF05-14 Double inlet1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x DDMP 10-08 3F 2210W M6A4 DG01 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Speed controller with Reverse - REB-1R1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x MWS 5 – Transformer Controller With Motor Protection Unit1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT2 x KMBI 315 Connector rectangular/circular to install on the discharge of CMT2 x TEM 075 - 5 Speed Transformer Speed Control2 x Vortice Quadro Micro 100 I - Standard Version2 x KMBI 250 Connector rectangular/circular to install on the discharge of CMT3 x TG-K3/NTC10-01 - Duct temperature sensor1 x TUNE-R-200-3-M1 - Control Damper1 x DDMP 09-09 3F 2130W M6A4 DG01 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

Look good, works well, except the shaft of the lanellae cuts...