• 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 Elta Variable Speed Drive IP66 - 7.5KW1 x FRQ5-4A V2 Inverter Speed Controller2 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 FU 22 25 Frequency Inverter1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x NKS-D swirl diffuser v-300 x 300mm1 x FU 075 52 Frequency Inverter (IP20)1 x Circular Ceiling Diffuser - TST 1252 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 203 x Elta Variable Speed Drive IP66 - 0.75KW1 x Frequency converter FU 075 14 - IP661 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 3amps1 x PCA Diffuser - PCA-3151 x ELTA - Three Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FU 15 16 Frequency Inverter1 x FRQ5-10A Inverter Speed controller1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x Circular Ceiling Diffuser - TST 2001 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Circular Ceiling Diffuser - TST 1001 x FU 075 04 Frequency Inverter (IP20)1 x Curved Blade Grille 600x600 (2way blow)1 x JSR 200 Painted RAL50181 x Balance S Diffuser - NO RING - 100mm1 x Versio Square Ceiling Diffusers - RS141 x Round ceiling diffuser 200mm1 x Round ceiling diffuser 350mm1 x Round ceiling diffuser 300mm3 x Remote Timer Control - 13511 x PCA Diffuser - PCA-2501 x Run On Timer - 5s - 4hrs - RT5A3 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B2 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller2 x ACO8AC/EC AutoChangeover panel1 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 Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan2 x Push Timer Switch - ZA41 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Balance S Diffuser - NO RING - 125mm2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Round ceiling diffuser 250mm2 x Helios ZNE Electronic Fan Overrun Timer1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5003 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B3 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Circular Ceiling Diffuser - TST 1601 x CS2 Current Switch1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp3 x Isolator Switch - ISOSW2 x Elta 6 Amp Electronic single phase speed controller with TK2 x TG-K Duct temperature sensor2 x BEAS-control module2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x TG-K3/NTC10-01 - Duct temperature sensor1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x Helios TSW 7.5 Amp Transformer speed controller2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Remote controller FLEX - for VEKO INT2 x Transformer 5 Speed Controller - ATC1-12TK3 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Vent Axia ACM 100 inline mixed flow duct fan5 x Vent Axia ACM 125 inline mixed flow duct fan2 x MWS 1.5 – Transformer Controller With Motor Protection3 x Transformer (silent) speed controller - RE 3.0 Amp2 x Helios HQW-315/4 - IP551 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x TG-R room temperature sensor1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)3 x Electronic extractor fan speed controller - FSC 1.52 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Transformer 5 Speed Controller - ATC1-2TK1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Transformer (silent) speed controller - RE 1.5 Amp1 x CBM 9-9 550w 4P VR (Open Motor)1 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-8TK1 x Helios TSW MCB Amp Transformer speed controller4 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x Transformer Speed Control - RTRE- 1.5Amp2 x WS - Reversing Switch from Helios Fans1 x Airvent ceiling fan controller1 x MTS10- extractor fan 3 step switch1 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Speed Controller - REB51 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x EM30-24 Control Panel Commissioning Service1 x Speed Controller - REB11 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x VTR 300 STD Filter Kit1 x CBT-100N Centrifugal1 x QPTW 250C Acoustic Twin Fan with Controller1 x MTP 10, 10K, Speed control1 x REE-2 Electronic Speed Controller1 x Vent Axia Silent 100T (TIMER)1 x REB-CVF 0-10v Controller1 x EBM-Papst D4E225-BC01-17 Double inlet1 x VEKA INT 2000/15.0-L1 EKO1 x PIR Sensor - PIR21 x Multiflow SMB550/4-1AC1 x Elta Wall Cowl SWC56/631 x Elta 6 Amp Electronic single phase speed controller.1 x Elta Wall Cowl SWC35/401 x SAVE VSR 300 heat recovery unit1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Silentub - STUB 1001 x Elta Wall Cowl SWC45/501 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Potentiometer EGH 01 - for DDMP Fans1 x Silent 100 Window Kit - windowS1 x PIR Sensor - PIR41 x GRA-100 External Grill by S&P1 x AIRVENT speed control - AIR4019611 x Elta Wall Cowl SWC25/311 x CBS-60 Outlet Flange for CSB/CBT-601 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x TD Mixvent 800/200 EEXEIIT31 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Elta Louvre Shutter - 400mm1 x Elta - Room Sensor - Temp/Humid/C021 x CBA-100 Inlet Flange for CBT-1001 x RDS 11 Helios Transformer Controller With Motor Protection1 x Singleflow SSDL315-1EC1 x Compact SCD450/4-1AC1 x Transformer 5 Speed Controller - ATC1-10TK1 x Helios HQW-200/4 - IP551 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x KMBI 315 Connector rectangular/circular to install on the discharge of CMT1 x Elta 10 Amp Electronic single phase speed controller.1 x Speed Controller - REB10
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

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