• 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 Elta Variable Speed Drive IP66 - 7.5KW1 x FU 22 25 Frequency Inverter1 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 Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW2 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 075 52 Frequency Inverter (IP20)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FRQ5-10A Inverter Speed controller2 x Elta 10 Amp Electronic single phase speed controller.1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 211 x NKS-D swirl diffuser v-300 x 300mm1 x FU 22 04 Frequency Inverter2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x Circular Ceiling Diffuser - TST 1251 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 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 Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50183 x Electronic extractor fan speed controller - FSC 1.53 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1601 x Balance S Diffuser - NO RING - 100mm2 x Elta 3 Amp Electronic single phase speed controller with TK2 x EFSC-3N- Single Phase Speed Control1 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 16amps4 x Elta 6 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 8amps3 x Airvent ceiling fan controller1 x Round ceiling diffuser 250mm1 x ELTA - Single Phase Transformer 12amps1 x ELTA - Single Phase Transformer 4amps1 x Round ceiling diffuser 350mm1 x EFSC-6N- Single Phase Speed Control1 x PCA Diffuser - PCA-2501 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps2 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A2 x Helios ZNE Electronic Fan Overrun Timer2 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller2 x ACO8AC/EC AutoChangeover panel1 x EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 x REB-CVF 0-10v Controller1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EC-Vent Room Unit1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Elta ACO Panel 149-ACO18B1 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 Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/502 x MTP 10, 10K, Speed control1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC25/311 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x FU 075 04 Frequency Inverter (IP20)2 x Transformer 5 Speed Controller - ATC1-12TK2 x Three Phase Transformer controllers - RMT 1.5 Amp3 x Vent Axia ACM 100 inline mixed flow duct fan2 x TG-K Duct temperature sensor1 x BEAS-control module1 x MWS 1.5 – Transformer Controller With Motor Protection2 x Envirovent G4 Filter - SL-G4/F72 x Vent Axia T-Series Controller2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Transformer (silent) speed controller - RE 3.0 Amp2 x Speed Controller - REB53 x Transformer 5 Speed Controller - ATC1-4TK1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Speed Controller - REB1-N1 x Quietflow SQS400-1ECL - Centrifugal Box Fan3 x Speed Controller - REB11 x PIR Sensor - PIR22 x MTS10- extractor fan 3 step switch1 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 PIR Sensor - PIR41 x UB47- Universal Insulated Terminal1 x QPTW 250C Acoustic Twin Fan with Controller1 x CBT-100N Centrifugal1 x Contactor Interface Station - CI91 x Mini Diffuser - 100mm1 x Elta - Room Sensor - Temp/Humid/C021 x AIRVENT speed control - AIR4019612 x SAVE VSR 300 heat recovery unit1 x Round ceiling diffuser 200mm1 x CBA-100 Inlet Flange for CBT-1001 x VTR 500 STD Filter Kit1 x Potentiometer EGH 01 - for DDMP Fans1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Duct Termination with Mesh - 100mm1 x CFI In-line 150 - Carbon Filter1 x KBA- Inlet Mounting 2251 x 100mm Round Connector with Damper1 x Elta SCP400/4-1AC - IP551 x Vent Axia Trickle & Boost Switch1 x Duct Termination with Mesh - 150mm1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Multi Input Run On Timer - 0 - 20min - CFCU2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan2 x Remote controller FLEX - for VEKO INT2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Helios TSW 7.5 Amp Transformer speed controller1 x COM-31 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Helios TSW 1.5 Amp Transformer speed controller2 x Vent Axia ACM 200 inline mixed flow duct fan3 x Transformer speed controller - ATC1 - 1.5 Amps1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x TG-R room temperature sensor1 x Transformer (silent) speed controller - RE 5.0 Amp2 x WS - Reversing Switch from Helios Fans2 x Helios HQW-630/4 - IP551 x Speed Controller - REB81 x DDMP 09/09 Mounting Flange2 x Transformer Speed Control - RTRE- 12.0Amp1 x GRA-100 External Grill by S&P1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Helios HQW-250/4 - IP551 x CO2 Room Sensor - CO2-R1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x CBS-100 Outlet Flange for CBT-1004 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x CPTA-E Flush mounted PIR sensor with timer1 x Transformer 5 Speed Controller - ATC1-10TK1 x Helios TSW 3 Amp Transformer speed controller1 x TDP-D Pressure Sensor with Display1 x MWS 5 – Transformer Controller With Motor Protection Unit1 x RTRD - Three Phase Speed Controller - 2 Amp1 x Capacitor 2uf for use with the EBM A4E range1 x Helios TSW MCB Amp Transformer speed controller2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CS2 Current Switch2 x Vent Axia ACM 125 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan2 x Two Speed Switch - REGUL-22 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Helios HQW-200/2 - IP551 x MWS 3 – Transformer Controller With Motor Protection1 x Speed Controller - REB32 x Helios HQW-200/4 - IP551 x CBS-60 Outlet Flange for CSB/CBT-601 x Transformer (silent) speed controller - RE 1.5 Amp1 x Speed Controller - REB101 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Transformer Speed Control - RTRE- 5.0Amp1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Transformer Speed Control - RTRE- 7.0Amp1 x Multiflow SMB550/4-1AC1 x Helios HQW-315/4 - IP551 x CBM 9-9 550w 4P VR (Open Motor)1 x Transformer Speed Control - RTRE- 1.5Amp1 x DDMP 09-09 3F 2130W M6A4 DG01 x DEF-CBM-RE-7 - Protection Guard1 x SG-200 Fan Guard for the HQW 2001 x TG-K3/NTC10-01 - Duct temperature sensor1 x Vent Axia Silent 100T (TIMER)1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Silent 100 Window Kit - windowS1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x TD Mixvent 800/200 EEXEIIT3
Reviews
TD-SILENT 350/125
TD-SILENT 350/125
£ 178.68

Excellent low noise fan, I've got one unit running years and...