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 110 x 54mm Rectangular Wall Plate1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Elta 10 Amp Electronic single phase speed controller.1 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1251 x ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1602 x Helios TSW MCB Amp Transformer speed controller1 x Elta 2 Amp Electronic single phase speed controller.2 x Helios TSW 10 Amp Transformer speed controller1 x JSR 200 Painted RAL50181 x Round ceiling diffuser 400mm1 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 2001 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1002 x Electronic extractor fan speed controller - FSC 1.51 x PCA Diffuser - PCA-3151 x ELTA - Single Phase Transformer 4amps1 x Round ceiling diffuser 300mm1 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 200mm1 x ELTA - Single Phase Transformer 12amps1 x Balance S Diffuser - NO RING - 100mm1 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 6 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps1 x Airvent ceiling fan controller1 x 5-Speed Controller for use with Elta SAX Classic Fans2 x Elta 3 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 350mm1 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 250mm2 x Remote Timer Control - 13511 x Helios ZNE Electronic Fan Overrun Timer2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 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 Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC25/311 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x CRBB/3-250/084M EC 2H01 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x Push Timer Switch - ZA41 x COM-31 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 inline mixed flow duct fan1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Vent Axia ACM 100 inline mixed flow duct fan1 x BEAS-control module1 x Speed Controller - REB51 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Helios HQW-630/4 - IP551 x MWS 1.5 – Transformer Controller With Motor Protection1 x Speed Controller - REB1-N1 x REB-CVF 0-10v Controller1 x Multiflow SMB550/4-1AC1 x PIR Sensor - PIR21 x PIR Sensor - PIR41 x MTS10- extractor fan 3 step switch1 x UB47- Universal Insulated Terminal1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x CO2 Room Sensor - CO2-R1 x SAVE VSR 300 heat recovery unit1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x CFI In-line 150 - Carbon Filter
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