Centrifugal Scroll Fans

Commercial Centrifugal Scroll Fans, forward curved and backward curved impellers, different versions and sizes of double and single inlet fans available. Often classified by two numbers, eg. 10/10, 9/9 etc. This indicates the size of the scroll/squirrel cage impeller. ie. 10 inches long, 10 inches diameter. Closed motor or external rotor versions advised for dirty air.
Also known as snail fans.
These need an enclosure to operate and are normally at one end of a system. For inline commercial fans, see our Centrifugal & MixVent Fans or industrial section. for larger units.

Displaying 49 to 54 (of 54 products)
RD31S-4DW.6Q.AL - 121303  (Three Phase)
RD31S-4DW.6Q.AL - 121303 (Three Phase)
£ 1,456.92
RD31S-4DW.6Q.AL Double inlet centrifugal fan with spiral housing. Type: RD31S-4DW.6Q.AL ...
RD31S-4EW.6Q.AL - 122296 (Single Phase)
RD31S-4EW.6Q.AL - 122296 (Single Phase)
£ 1,456.92
RD31S-4EW.6Q.AL Double inlet centrifugal fan with spiral housing. Type: RD31S-4EW.6Q.AL ...
RD35S-4DW.6W.3L - 122297  (Three Phase)
RD35S-4DW.6W.3L - 122297 (Three Phase)
£ 1,387.00
RD35S-4DW.6W.3L Double inlet centrifugal fan with spiral housing. Type: RD35S-4DW.6W.3L ...
Rosenberg DRAD-224-4 Double Inlet High Efficiency Radial Fan
Rosenberg DRAD-224-4 Double Inlet High Efficiency Radial Fan
£ 555.00
Rosenberg- Centrifugal fans with forward curved impellers, Types ERA.../ DRA... 400 volt 3 phase 50 Hz , 0.87kW 1210RPM Single and double inlet casings, made from galvanized steel, with spiral scr...
Torin fan  -  178206-A-00
Torin fan - 178206-A-00
£ 1,345.00
Torin fan - 178206-A-00...
Torin fan - DDN913-824 -  076192-03
Torin fan - DDN913-824 - 076192-03
£ 2,349.00
Torin fan - DDN913-824 - 076192-03...
Displaying 49 to 54 (of 54 products)
1 x TTC-2000 Three phase electric heater controller1 x EC-Vent control board1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC56/631 x Elta Wall Cowl SWC35/401 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC45/501 x Elta Louvre Shutter - 400mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Elta 10 Amp Electronic single phase speed controller.1 x Helios TSW 7.5 Amp Transformer speed controller1 x ELTA - Single Phase Transformer 2amps1 x EC6H - Reversible Group Fan Electronic Controller1 x Elta 6 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 4amps2 x AIRVENT speed control - AIR4019611 x Airvent ceiling fan controller1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 12amps1 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.1 x COM-31 x Transformer speed controller - ATC1 - 1.5 Amps1 x Run On Timer - 5s - 4hrs - RT5A1 x ELTA - Single Phase Transformer 10amps1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x 7 Day Programmable TIMECLOCK1 x VEKA INT 2000/15.0-L1 EKO1 x Silentub - STUB 1001 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Potentiometer EGH 01 - for DDMP Fans1 x 220x90mm Insulated Rectangular Horizontal 90° Bend
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 ...