• 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 Flanged Spigot - 180mm1 x Ducting 45 Degree Bend - 180mm1 x Ducting 90 Degree Bend - 180mm1 x Ducting 30 Degree Bend - 180mm1 x Male Ducting Connector - 180mm1 x Female Ducting Connector - 180mm1 x Spiral Ducting 3 Meters - 180mm1 x Curved boot - 180mm1 x Duct Suspension Rings - 180mm1 x Ducting 15 Degree Bend - 180mm2 x Elta 10 Amp Electronic single phase speed controller.2 x EC6H - Reversible Group Fan Electronic Controller3 x Electronic extractor fan speed controller - FSC 1.51 x ELTA - Single Phase Transformer 2amps1 x ELTA - Single Phase Transformer 12amps2 x Elta 3 Amp Electronic single phase speed controller.1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 16amps1 x 5-Speed Controller for use with Elta SAX Classic Fans2 x Airvent ceiling fan controller4 x Elta 3 Amp Electronic single phase speed controller with TK2 x Elta 2 Amp Electronic single phase speed controller.2 x Elta 6 Amp Electronic single phase speed controller.2 x ELM 18 EX Flexible Cuff for ERM 182 x Transformer 5 Speed Controller - ATC1-2TK2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans3 x Transformer 5 Speed Controller - ATC1-8TK1 x Three Phase Transformer controllers - RMT 1.5 Amp2 x CS2 Current Switch1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan2 x Helios HQW-200/2 - IP554 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan3 x Remote controller FLEX - for VEKO INT3 x Helios TSW 7.5 Amp Transformer speed controller1 x Systemair Save Connect 2.0 Internet Module2 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan2 x Helios TSW 10 Amp Transformer speed controller2 x RDS 11 Helios Transformer Controller With Motor Protection2 x Helios TSW MCB Amp Transformer speed controller4 x Vent Axia ACM 125 inline mixed flow duct fan2 x Transformer speed controller - ATC1 - 1.5 Amps1 x Temperature Fan Speed Controller - ATCP4-FLS3 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x DEF-140T Inlet Guard for the CBT-100N1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan3 x Transformer 5 Speed Controller - ATC1-4TK3 x Transformer 5 Speed Controller - ATC1-10TK3 x Helios TSW 3 Amp Transformer speed controller1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Isolator Switch - ISOSW3 x MWS 3 – Transformer Controller With Motor Protection2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp3 x Elta 6 Amp Electronic single phase speed controller with TK2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven4 x MWS 1.5 – Transformer Controller With Motor Protection3 x Helios HQW-630/4 - IP551 x Rectangular Airbrick Adaptor2 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)2 x Helios HQW-200/4 - IP552 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box5 x Transformer (silent) speed controller - RE 3.0 Amp2 x Vent Axia T-Series Controller4 x WS - Reversing Switch from Helios Fans1 x ERR 20/1 Centrifugal inline fan1 x CBS-60 Outlet Flange for CSB/CBT-602 x REE-1 Electronic Speed Controller2 x Speed Controller - REB52 x ERR 31/1 Centrifugal inline fan2 x Speed Controller - REB31 x RSK400 - Back Draught Shutter1 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Speed Controller - REB102 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x SG-200 Fan Guard for the HQW 2002 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x Vent Axia ACM 100 inline mixed flow duct fan2 x Transformer Speed Control - RTRE- 12.0Amp5 x MTP 10, 10K, Speed control2 x REB-CVF 0-10v Controller1 x Elta Variable Speed Drive IP66 - 2.2KW2 x Transformer Speed Control - RTRE- 7.0Amp1 x TUNE-R-200-3-M1 - Control Damper2 x Helios HQW-250/4 - IP552 x Silent 100 Window Kit - windowS2 x Temperature Fan Speed Controller - ATCP4-WMS2 x Transformer 5 Speed Controller - ATC1-12TK4 x Helios TSW 1.5 Amp Transformer speed controller2 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Speed Controller - REB84 x Helios HQW-315/4 - IP551 x PIR Sensor - PIR24 x QPTW 250C Acoustic Twin Fan with Controller1 x Speed Controller - REB11 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Envirovent G4 Filter - SL-G4/F72 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x Transformer Speed Control - RTRE- 1.5Amp1 x UB47- Universal Insulated Terminal1 x PIR Sensor - PIR41 x Elta Variable Speed Drive IP66 - 4.0KW1 x Speed Controller - REB2.5-N1 x Control switch - CR1501 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x TD Mixvent 800/200 EEXEIIT31 x Transformer Speed Control - RTRE- 5.0Amp2 x Speed controller with Reverse - REB-1R1 x DDMP 12-12 3F 1810W M6A4 DG01 x CBM 9-9 550w 4P VR (Open Motor)1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x MTS10- extractor fan 3 step switch1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Vent Axia ACM 150 inline mixed flow duct fan1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Push Timer Switch - ZA41 x RDS 7 Helios Transformer Controller With Motor Protection
Reviews
TD-SILENT 350/125
TD-SILENT 350/125
£ 178.68

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