• Model:SMB550/4-1AC

Multiflow SMB550/4-1AC

£ 1,516.99 (excl. VAT)

£ 1,820.39 (inc. VAT)

The unique and new blade geometry in this square, duct mounted, mixed flow fan offers increased airflow with smaller diameters.

Easy Installation
Lightweight construction with Ductmate flanges allowing easy installation.

Efficient Performance
High volume flow rates, high efficiency, low acoustic emissions due to special three-dimensional blade geometry with diagonal air discharge, reduced rotational tone.

Controllability
A range of transformer voltage controllers can be used to provide five speed step control of single phase or three phase motors.

Energy saving
Backward-curved, aerofoil section blades provide high volume flow rates and high efficiencies.

Construction
Manufactured using pre-galvanised sheet steel suitably stiffened. Casings incorporate Ductmate flange connections at each end. Motor supports are constructed from steel sheet, hot-dip galvanised to BS EN ISO 1461:2009 after manufacture and have an aerodynamic profile.

Motor
The motor contains sealed for life bearings and have a Thermal Class of to THCL 130 or 155 dependent on size. All motors are suitable for use in ambient air conditions up to +60°C.

Impeller
Made from high-performance composite material with 7 backward-curved, aerofoil section blades.

Typical Applications:
• Kitchen Canopies
• Restaurants
• Lift Motor Rooms
• General HVAC installations

Warranty
Each SMB has a 12 month warranty.
1 x Elta Variable Speed Drive IP66 - 7.5KW2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x FU 15 40 Frequency Inverter1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP663 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 5.5KW1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1001 x Balance S Diffuser - NO RING - 125mm1 x PCA Diffuser - PCA-3154 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 2002 x EC6H - Reversible Group Fan Electronic Controller1 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 1603 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x ELTA - Single Phase Transformer 8amps3 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps2 x EFSC-3N- Single Phase Speed Control1 x Balance S Diffuser - NO RING - 100mm2 x Round ceiling diffuser 200mm1 x Elta 3 Amp Electronic single phase speed controller.1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 12amps2 x COM-31 x ELTA - Single Phase Transformer 4amps3 x AIRVENT speed control - AIR4019612 x Round ceiling diffuser 250mm2 x Elta 6 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 10amps3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Push Timer Switch - ZA42 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller2 x ACOAS/ AC/EC Auto Changeover 8Amp2 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 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 U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection2 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EC-Vent Room Unit1 x Elta ACO Panel 149-ACO18B1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Vent Axia ACM 150 inline mixed flow duct fan1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp3 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Vent Axia T-Series Controller1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Speed Controller - REB51 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x MTS10- extractor fan 3 step switch3 x PIR Sensor - PIR42 x UB47- Universal Insulated Terminal2 x Mini Diffuser - 100mm1 x Contactor Interface Station - CI92 x SAVE VSR 300 heat recovery unit2 x Silentub - STUB 1001 x Egg Crate Grille with Dust panel filter 1 inch- 595x5952 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Single Deflection Grille 400mm with OBD damper2 x VTR 500 STD Filter Kit1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x CFI In-line 150 - Carbon Filter1 x 100mm Round Connector with Damper3 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 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 fan1 x Remote controller FLEX - for VEKO INT1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Helios TSW 7.5 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-4TK2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Helios TSW 3 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-12TK1 x RDS 11 Helios Transformer Controller With Motor Protection3 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Vent Axia ACM 125 inline mixed flow duct fan2 x Isolator Switch - ISOSW1 x DEF-140T Inlet Guard for the CBT-100N2 x TG-K Duct temperature sensor1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x BEAS-control module1 x MWS 1.5 – Transformer Controller With Motor Protection2 x Helios HQW-200/2 - IP551 x TG-K3/NTC10-01 - Duct temperature sensor2 x WS - Reversing Switch from Helios Fans1 x TG-R room temperature sensor1 x Helios HQW-630/4 - IP551 x Speed Controller - REB102 x Transformer (silent) speed controller - RE 5.0 Amp1 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x Transformer (silent) speed controller - RE 3.0 Amp1 x Speed Controller - REB1-N2 x MTP 10, 10K, Speed control2 x PIR Sensor - PIR22 x Silent 100 Window Kit - windowS2 x Speed Controller - REB12 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Speed Controller - REB83 x QPTW 250C Acoustic Twin Fan with Controller1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x ENV 100 12v transformer SELV1 x CBT-100N Centrifugal1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta - Room Sensor - Temp/Humid/C021 x Compact SCD450/4-1AC1 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x CO2 Room Sensor - CO2-R1 x Singleflow SSDL315-1EC2 x Duct Termination with Mesh - 100mm2 x IR24-P - Presence detector1 x Potentiometer EGH 01 - for DDMP Fans1 x Helios ESA-1 Surface mounted Speed Control 1amp2 x Flakt Woods ME 1.3 speed controller 3amp - EA9011581 x Flat Roof Terminal -OFT 5 - Asphalt2 x Elta SCP400/4-1AC - IP551 x Flakt Woods ME 1.1 speed controller 1amp - EA9011571 x Quietflow Twin SQTDCV250-1ECL2 x ACO3TO-ADS-VFC-7.1A1 x Vent Axia Trickle & Boost Switch2 x Duct Termination with Mesh - 150mm1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x Transformer 5 Speed Controller - ATC1-10TK1 x Capacitor 2uf for use with the EBM A4E range1 x CS2 Current Switch1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x MWS 3 – Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x MWS 5 – Transformer Controller With Motor Protection Unit1 x Elta 10 Amp Electronic single phase speed controller.1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Speed Controller - REB31 x CBS-60 Outlet Flange for CSB/CBT-601 x Two Speed Switch - REGUL-21 x Transformer (silent) speed controller - RE 1.5 Amp1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)2 x Helios HQW-315/4 - IP551 x Transformer Speed Control - RTRE- 5.0Amp2 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Transformer Speed Control - RTRE- 1.5Amp1 x FFR 355 Filter Cassette1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x TG-K Duct temperature sensor1 x DDMP 12-12 3F 1810W M6A4 DG01 x Speed Controller - REB2.5-N1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Speed Controller - REB161 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x VEKA INT 2000/15.0-L1 EKO1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x EBM-Papst D3G133-BF05-14 Double inlet1 x CBP-18/18-RC Belt Driven Centrifugal Fans1 x Electrostatic Precipitator - 1H x 3W1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x CBM 12-12 1100w 6P Three Phase1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x CSB-60 Centrifugal fan1 x CBA-100 Inlet Flange for CBT-1001 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x Helios HQW-355/4 - IP551 x KBA- Inlet Mounting 2251 x DDMP 07/07 Mounting Flange1 x CBS-100 Outlet Flange for CBT-1001 x DDMP 10-10 1F 1000W M6A2 DA52 x DDMP 12-12 3F 5700W M6M0 DG71 x CBB-60N Centrifugal1 x RUCK MTP 20, 10K, Speed control1 x DPD 12PM Delivery Surcharge1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x Speed controller with Reverse - REB-1R2 x Temperature Fan Speed Controller - ATCP4-WMS1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-8TK1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost
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 ...