• 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


1 x Circular Ceiling Diffuser - TST 1001 x Balance S Diffuser - NO RING - 125mm1 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x Balance S Diffuser - NO RING - 100mm1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 200mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 350mm1 x EFSC-6N- Single Phase Speed Control1 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 10amps3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer3 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU1 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 EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 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- 5002 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x EC-Vent Room Unit1 x EM30-24 Control Panel Commissioning Service1 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 Elta Wall Cowl SWC35/401 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x Jet Cowl - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x ELTA - Single Phase Transformer 2amps1 x PCA Diffuser - PCA-3153 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 2001 x Circular Ceiling Diffuser - TST 1603 x Elta 3 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 250mm2 x COM-33 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 S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Helios TSW 7.5 Amp Transformer speed controller3 x Transformer 5 Speed Controller - ATC1-4TK3 x Helios TSW 3 Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-12TK2 x Vent Axia ACM 150 inline mixed flow duct fan2 x RDS 11 Helios Transformer Controller With Motor Protection1 x Helios TSW MCB Amp Transformer speed controller2 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 200 inline mixed flow duct fan3 x Vent Axia ACM 125 inline mixed flow duct fan2 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 TG-K Duct temperature sensor1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Elta 6 Amp Electronic single phase speed controller with TK1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x BEAS-control module1 x Envirovent G4 Filter - SL-G4/F71 x MWS 1.5 – Transformer Controller With Motor Protection1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Vent Axia T-Series Controller2 x Transformer (silent) speed controller - RE 3.0 Amp1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Speed Controller - REB51 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Transformer (silent) speed controller - RE 5.0 Amp1 x Transformer Speed Control - RTRE- 5.0Amp1 x Transformer Speed Control - RTRE- 7.0Amp1 x MTP 10, 10K, Speed control1 x Speed Controller - REB1-N1 x PIR Sensor - PIR21 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x MTS10- extractor fan 3 step switch1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x CBM 9-9 550w 4P VR (Open Motor)1 x Silent 100 Window Kit - windowS1 x QPTW 250C Acoustic Twin Fan with Controller1 x Speed Controller - REB11 x PIR Sensor - PIR41 x UB47- Universal Insulated Terminal1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x VTR 300 STD Filter Kit1 x Speed Controller - REB2.5-N1 x Contactor Interface Station - CI91 x Compact SCD450/4-1AC1 x Mini Diffuser - 100mm1 x CBT-100N Centrifugal1 x SAVE VSR 300 heat recovery unit1 x AIRVENT speed control - AIR4019611 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Isolator Switch - ISOSW1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Speed Controller - REB101 x Silentub - STUB 1003 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Speed controller with Reverse - REB-1R1 x Temperature Fan Speed Controller - ATCP4-WMS1 x Transformer 5 Speed Controller - ATC1-2TK2 x Transformer 5 Speed Controller - ATC1-10TK1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x MWS 5 – Transformer Controller With Motor Protection Unit1 x Vent Axia ACM 100 inline mixed flow duct fan1 x CS2 Current Switch2 x DEF-140T Inlet Guard for the CBT-100N1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan2 x TEM 075 - 5 Speed Transformer Speed Control2 x Helios HQW-200/2 - IP551 x ERR 20/1 Centrifugal inline fan2 x Helios HQW-630/4 - IP552 x Vortice Quadro Micro 100 I - Standard Version1 x EC6H - Reversible Group Fan Electronic Controller1 x CBS-60 Outlet Flange for CSB/CBT-601 x REE-1 Electronic Speed Controller1 x Airvent ceiling fan controller1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Helios HQW-200/4 - IP551 x Two Speed Switch - REGUL-21 x Transformer (silent) speed controller - RE 1.5 Amp1 x WS - Reversing Switch from Helios Fans1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Isolator Switch - EFF-ISO
LINEO 200 QUIET
LINEO 200 QUIET
£ 293.00 now £ 235.00
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 ...