• 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

1 x 220x90mm Insulated Rectangular Horizontal 45° Bend1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan3 x Vent Axia ACM 125 inline mixed flow duct fan1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Helios HQW-200/2 - IP554 x WS - Reversing Switch from Helios Fans3 x EC6H - Reversible Group Fan Electronic Controller4 x MWS 1.5 – Transformer Controller With Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Helios HQW-630/4 - IP552 x TG-K3/NTC10-01 - Duct temperature sensor3 x Vent Axia T-Series Controller1 x Envirovent G4 Filter - SL-G4/F76 x Transformer (silent) speed controller - RE 3.0 Amp2 x Electronic extractor fan speed controller - FSC 1.53 x Airvent ceiling fan controller1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Rectangular Airbrick Adaptor5 x Helios HQW-200/4 - IP555 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x REE-1 Electronic Speed Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Variable Speed Drive IP66 - 0.75KW2 x Transformer Speed Control - RTRE- 12.0Amp2 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Remote Timer Control - 13513 x Elta Variable Speed Drive IP66 - 2.2KW5 x SG-200 Fan Guard for the HQW 2004 x REB-CVF 0-10v Controller1 x Elta Wall Cowl SWC56/633 x Speed Controller - REB51 x Multiflow SMB550/4-1AC5 x Helios HQW-315/4 - IP551 x GRA-100 External Grill by S&P3 x Speed Controller - REB1-N1 x Elta Louvre Shutter - 400mm1 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Silent 100 Window Kit - windowS1 x Elta Wall Cowl SWC35/406 x MTP 10, 10K, Speed control1 x Isolator Switch - EFF-ISO1 x Elta Wall Cowl SWC25/313 x Speed Controller - REB101 x Elta Wall Cowl SWC45/504 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x PIR Sensor - PIR25 x QPTW 250C Acoustic Twin Fan with Controller1 x Transformer 5 Speed Controller - ATC1-12TK2 x Vent Axia ACM 200 inline mixed flow duct fan1 x DEF-140T Inlet Guard for the CBT-100N1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Two Speed Switch - REGUL-22 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x Vent Axia Silent 100T (TIMER)2 x Transformer Speed Control - RTRE- 7.0Amp1 x TUNE-R-200-3-M1 - Control Damper2 x PIR Sensor - PIR43 x Helios HQW-250/4 - IP556 x Transformer Speed Control - RTRE- 1.5Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Transformer (silent) speed controller - RE 5.0 Amp3 x UB47- Universal Insulated Terminal2 x CBS-60 Outlet Flange for CSB/CBT-602 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x EBM-Papst D4E225-BC01-17 Double inlet2 x RDH FLEX-SQUARE - ADH/RDH 04501 x TD Mixvent 800/200 EEXEIIT31 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7103 x Elta 6 Amp Electronic single phase speed controller.1 x Jet Cowl - 315mm3 x Transformer 5 Speed Controller - ATC1-2TK1 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-8TK2 x RDS 11 Helios Transformer Controller With Motor Protection1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3002 x Elta 10 Amp Electronic single phase speed controller.2 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x Compact SCD450/4-1AC4 x Speed Controller - REB14 x DDMP 12-12 3F 1810W M6A4 DG01 x Elta - Room Sensor - Temp/Humid/C021 x CBM 9-9 550w 4P VR (Open Motor)1 x Elta Variable Speed Drive IP66 - 1.5KW2 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Speed Controller - REB81 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x MTS10- extractor fan 3 step switch1 x VTR 300 STD Filter Kit1 x Contactor Interface Station - CI91 x Egg Crate Grille with Dust panel filter 1 inch- 595x5952 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Isolator Switch - ISOSW2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x CBT-100N Centrifugal1 x Helios TSW 1.5 Amp Transformer speed controller2 x CBA-60 Inlet Flange for CBT-601 x DDMP 10-08 3F 2210W M6A4 DG01 x Helios RR-250-C Centrifugal inline fan1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x CO2 Room Sensor - CO2-R1 x RDS 7 Helios Transformer Controller With Motor Protection1 x REE-2 Electronic Speed Controller1 x Single Deflection Grille 400mm with OBD damper1 x Transformer speed controller - ATC1 - 1.5 Amps2 x ENV 100 12v transformer SELV2 x Duct Termination with Mesh - 355mm1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x SPI-100 C Iris damper1 x GXC6EC - High Performance Extract Fan1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Multi Input Run On Timer - 0 - 20min - CFCU
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 ...