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.
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 25 to 48 (of 53 products)
Nicotra RDH E4-0355 (K) With Flange 0355 ADHE/RDHE
£ 1,792.80
Nicotra RDH E4-0355 (K) With Flange 0355 ADHE/RDHE...
Nicotra RDH E4-0400 (K)
£ 1,929.99
Nicotra RDH E4-0400 (K)
*** THIS PRODUCT CAN NOT BE RETURNED AS IT IS MADE TO ORDER ***...
Nicotra RDH E4-0450 (K)
£ 2,081.00
Nicotra RDH E4-0450 (K)
*** THIS PRODUCT CAN NOT BE RETURNED AS IT IS MADE TO ORDER ***...
Nicotra RER 11-0225
£ 875.00
Nicotra RER 11-0225.
- Lock formed casing, galvanised sheet steel
- discharge flange
- multi position feet
- Deep groove ball bearings, maintenance free...
RD28S-4DW.4ER.2L
£ 4,074.99
RD28S-4DW.4ER.2L
Double inlet centrifugal fan with spiral housing. Type: RD28S-4DW.4ER.2L...
RD28S-4DW.4R.2L
£ 769.55
RD28S-4DW.4R.2L
Double inlet centrifugal fan with spiral housing. Type: RD28S-4DW.4R.2L...
RD28S-4DW.4R.AL - (209880)
£ 1,895.00
RD28S-4DW.4R.AL - (209880)
Double inlet centrifugal fan with spiral housing. Type: RD28S-4DW.4R.AL - (209880)...
RD28S-4EW.4R.2L
£ 976.24
RD28S-4EW.4R.2L
Double inlet centrifugal fan with spiral housing. Type: RD28S-4EW.4R.2L...
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 ...
Displaying 25 to 48 (of 53 products)
1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)2 x Round ceiling diffuser 300mm1 x IR24-P - Presence detector2 x Run On Timer - 5s - 4hrs - RT5A1 x Direct Delivery Surcharge1 x Spare filter pack for Energi Sava 210 HR unit1 x Vent Axia SABRE Cased Axial Fan (Single Phase) -VSC40014A1 x 110 x 54mm Low Profile Plastic Ducting - 1 Meter1 x CBM 12/9 CM/AL 1100W 6PT - Closed Motor1 x ELTA - Three Phase Transformer 10amps1 x Ducting 45 Degree Bend - 800mm1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x 110 x 54mm Flat Channel Connector2 x Elta Wall Cowl SWC56/631 x TUNE-R-250-1-M1 - Control Damper1 x TUNE-R-200-3-M4 - Control Damper1 x TFSR 125 M Grey Centrifugal Roof Fan1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 15 40 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Frequency converter RUCK - FU 075 201 x Frequency converter FU 075 14 - IP663 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ-10A V2 Inverter Speed controller1 x FU 075 04 Frequency Inverter (IP20)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Three Phase Transformer 3amps1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller1 x Elta 10 Amp Electronic single phase speed controller.1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x EC6H - Reversible Group Fan Electronic Controller1 x Balance S Diffuser - NO RING - 125mm1 x NKS-D swirl diffuser v-300 x 300mm1 x Electronic extractor fan speed controller - FSC 1.51 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x Circular Ceiling Diffuser - TST 1251 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 2001 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 12amps1 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Curved Blade Grille 600x600 (2way blow)1 x ELTA - Single Phase Transformer 16amps1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x ELTA - Single Phase Transformer 8amps1 x Circular Ceiling Diffuser - TST 1001 x Airvent ceiling fan controller1 x PCA Diffuser - PCA-3151 x EFSC-6N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 4amps2 x AIRVENT speed control - AIR4019611 x Circular Ceiling Diffuser - TST 1601 x COM-31 x Round ceiling diffuser 400mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 200mm1 x Round ceiling diffuser 250mm1 x ELTA - Single Phase Transformer 10amps1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 350mm1 x Remote Timer Control - 13511 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x REE-1 Electronic Speed Controller1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x TTC-2000 Three phase electric heater controller1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic1 x Elta ACO Panel 149-ACO18B1 x ACO 149-ACO1/EDV1 x Systemair Save Connect 2.0 Internet Module1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EM30-24 Control Panel Commissioning Service1 x EC-Vent Room Unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P2 x MTP 10, 10K, Speed control1 x Elta Wall Cowl SWC35/401 x UB47- Universal Insulated Terminal1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/502 x MTS10- extractor fan 3 step switch1 x Jet Cowl - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 710
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