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 53 (of 53 products)
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 53 (of 53 products)
2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Transformer (silent) speed controller - RE 3.0 Amp1 x WS - Reversing Switch from Helios Fans1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Transformer 5 Speed Controller - ATC1-2TK1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 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 Elta 10 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 1.5KW1 x NKS-D swirl diffuser v-300 x 300mm1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x PCA Diffuser - PCA-3151 x ELTA - Single Phase Transformer 2amps1 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1251 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 2002 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 1001 x JSR 200 Painted RAL50181 x Round ceiling diffuser 400mm1 x Elta 3 Amp Electronic single phase speed controller with TK1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Elta 2 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 300mm1 x Elta 3 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 200mm1 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 - Single Phase Transformer 16amps1 x Balance S Diffuser - NO RING - 100mm1 x Airvent ceiling fan controller1 x Round ceiling diffuser 250mm1 x ELTA - Single Phase Transformer 4amps1 x COM-31 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 350mm1 x EFSC-6N- Single Phase Speed Control1 x PCA Diffuser - PCA-2501 x Elta 6 Amp Electronic single phase speed controller.2 x Vent Axia ACM 125 inline mixed flow duct fan1 x ELTA - Single Phase Transformer 10amps1 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Transformer (silent) speed controller - RE 1.5 Amp1 x 7 Day Programmable TIMECLOCK1 x Helios HQW-315/4 - IP551 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x QPTW 250C Acoustic Twin Fan with Controller1 x Systemair Save Connect 2.0 Internet Module1 x EC-Vent Room Unit1 x Elta ACO Panel 149-ACO18B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 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 Helios RR-250-C Centrifugal inline fan1 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC25/311 x Helios HQW-355/4 - IP551 x Elta Wall Cowl SWC45/501 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x300
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...