• Model:SB250-CON4-3

Biflow SB250-CON4-3 - High Temperature Bifurcated Fan

£ 1,439.14 (excl. VAT)

£ 1,726.97 (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 REB Ecowatt Speed Control - REB-ECO1 x Duct Suspension Rings - 355mm1 x Backdraught Shutters 039-SFSV-63/711 x Female Ducting Connector - 500mm1 x Spiral Ducting 3 Meters - 80mm1 x BDS 800 RA b/d shutter1 x VKS 355-500 Automatic shutter1 x FSD-TD 250mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x CO2 Room Sensor - CO2-R1 x G4 Panel Filter - 495 x 495 x 22mm1 x Commercial Thermostat - TH161 x Ducting T Piece Equal - 300mm1 x FAST-TRACK RANGE 75mm - Semi-Rigid Duct 50M1 x Helios GigaBox 560mm GBW 560/4 centrifugal1 x BDS 400/450 RA b/d shutter1 x Helios Condense Collector1 x BDS 300/315 RA b/d shutter1 x BDS 200/250 RA b/d shutter1 x Flanged Damper 019-0250-STD1 x BDS 630/710 RA b/d shutter1 x JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT560/4-3AC1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FSAF315B2DX Silencer 355/81 x Elta SLC560/4A-3AC - IP551 x Elta Variable Speed Drive IP66 - 1.5KW1 x Spiral Ducting 3 Meters - 160mm1 x Ducting 90 Degree Bend - 160mm1 x Ducting 45 Degree Bend - 160mm1 x CTHB/6-2501 x JAE- 560 Flexible Coupling for CRHB/CRHT Roof Fans1 x Elta SCP560/4-1AC - IP551 x FAST-TRACK RANGE 75mm - Valve Adaptor 90° 125mm1 x SG AXC/AM/AR 800 guard grill1 x Elta SLC800/4B-3AC - IP551 x Soler & Palau TCBT/4-800/G - IP651 x FAST-TRACK RANGE 90mm - Semi-Rigid Duct 50M1 x CC-800-5.5kw1 x Elta SLC800/4A - Fan & Inverter Package1 x Soler & Palau TCBT/4-800/H - IP651 x Soler & Palau TCBT/4-800/K - IP651 x Belt Drive Cased Axial Fan - 800mm - L version1 x Elta 6 Amp Electronic single phase speed controller with TK1 x KVK Slim 125 - Low profile Semi Acoustic Box Fan1 x Venturia Whole House Ventilation1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Miniflow SMF Horizontal Roof Cowl SMF20/301 x Elta 3 Amp Electronic single phase speed controller.1 x KVK Slim 200 - Low profile Semi Acoustic Box Fan1 x Raptor SDA630/4-1EC1 x Raptor SDA630/46-3AC1 x Soler & Palau TCBT/4-630/H - IP651 x Soler & Palau TCBT/6-630/H - IP651 x KVK SLIM 200 EC - Centrifugal Circular Duct Fan1 x Contra Rotating TCBBx2-630 Cased Axial - Single Phase - IP65 - Soler & Palau1 x Elta SLC630/4A-3AC - IP551 x Belt Drive Cased Axial Fan - 630mm - L version1 x Elta Turboflow-TF - 630mm - Three phase1 x Soler & Palau TCBB/4-630/L - IP651 x Belt Drive Cased Axial Fan - 630mm - H version
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...