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 25 to 48 (of 53 products)
Nicotra RDH E0-0400 (L)
Nicotra RDH E0-0400 (L)
£ 1,549.00
Nicotra RDH E0-0400 (L)...
Nicotra RDH E2-0280 (R)
Nicotra RDH E2-0280 (R)
£ 875.00
Nicotra RDH E2-0280 (R)...
Nicotra RDH E2-0315 (R)
Nicotra RDH E2-0315 (R)
£ 1,069.00
Nicotra RDH E2-0315 (R)...
Nicotra RDH E2-0355 (R)
Nicotra RDH E2-0355 (R)
£ 1,429.99
Nicotra RDH E2-0355 (R)...
Nicotra RDH E2-0400 (R)
Nicotra RDH E2-0400 (R)
£ 1,498.00
Nicotra RDH E2-0400 (R)...
Nicotra RDH E2-0500 (R)
Nicotra RDH E2-0500 (R)
£ 2,095.00
Nicotra RDH E2-0500 (R) This fan is on a 8 week lead time,...
Nicotra RDH E4-0225 (K)
Nicotra RDH E4-0225 (K)
£ 949.00
Nicotra RDH E4-0225 (K)...
Nicotra RDH E4-0250 (K)
Nicotra RDH E4-0250 (K)
£ 1,124.99
Nicotra RDH E4-0250 (K)...
Nicotra RDH E4-0315 (K)
Nicotra RDH E4-0315 (K)
£ 1,126.00
Nicotra RDH E4-0315 (K)...
Nicotra RDH E4-0355 (K)
Nicotra RDH E4-0355 (K)
£ 1,443.00
Nicotra RDH E4-0355 (K)...
Nicotra RDH E4-0355 (K) With Flange 0355 ADHE/RDHE
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)
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 E4-0400 With Framework Fitted
Nicotra RDH E4-0400 With Framework Fitted
£ 1,841.40
Nicotra RDH E4-0400 With Framework Fitted...
Nicotra RDH E4-0450 (K)
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 RDH E4-0450 (L)
Nicotra RDH E4-0450 (L)
£ 1,726.92
Nicotra RDH E4-0450 (L)...
Nicotra RDH E4-0500 (K)
Nicotra RDH E4-0500 (K)
£ 2,185.85
Nicotra RDH E4-0500 (K) This fan is on a 8 week lead time,...
Nicotra RDH E4-0560 (K)
Nicotra RDH E4-0560 (K)
£ 3,195.00
Nicotra RDH E4-0560 (K)...
Nicotra RDH E6-0450 (K1)
Nicotra RDH E6-0450 (K1)
£ 2,450.00
Nicotra RDH E6-0450 (K1)...
Nicotra RER  11-0225
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
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
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)
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
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)
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)
2 x MTS10- extractor fan 3 step switch1 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- 3551 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Elta Wall Cowl SWC56/631 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x GRA-100 External Grill by S&P1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Elta Wall Cowl SWC25/311 x Silentub - STUB 2002 x Run On Timer - 5s - 4hrs - RT5A1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x Economy Airvent 100mm Fan with Timer1 x DV-ROF-V-225 Roof mounted unit1 x DV-ROF-V-315 Roof mounted unit1 x Manrose 150mm - XF150BP1 x 18M - 80mm PVC flexible ducting1 x Manrose 150mm - XF150BHP1 x Manrose T12 STANDARD Transformer- T12S1 x Economy Airvent 150mm Fan1 x Control board kit Smarty 4X P 1.1 F2 Fan 230V1 x Economy Airvent 100mm Fan with Timer/Humidistat/Pullcord1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x D2E-146-AP47-751 x Economy Airvent 100mm Fan with Timer & Shutter1 x HQS Bathroom Axial Flow Fan - 125mm1 x CTVT/4-400 High Temp Roof Fan - 51369260001 x Fresh Air control carbon filter - 125mm1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x LF-ME04F071LC3AC1 x Manrose Auto Shutter - XF150AP1 x Maico EN31- Wall Mounted Fan1 x Small Centrifugal Fans CBM/2-133/190 185w1 x Manrose 150mm - XF150BTP1 x G2E160−AL19−56 FLUE FAN1 x D2E146-AP47-C11 x D2E146-AP47-332 x EBM-Papst D3G133-BF05-14 Double inlet1 x Small Centrifugal Fan - CBM/4-180/184-150 W1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Elta 10 Amp Electronic single phase speed controller.1 x TDP-D Pressure Sensor with Display1 x Helios TSW 1.5 Amp Transformer speed controller1 x ELTA - Single Phase Transformer 2amps1 x EC6H - Reversible Group Fan Electronic Controller2 x Electronic extractor fan speed controller - FSC 1.51 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x EFSC-3N- Single Phase Speed Control1 x DEF-140T Inlet Guard for the CBT-100N1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 4amps2 x AIRVENT speed control - AIR4019612 x Remote Timer Control - 13511 x ELTA - Single Phase Transformer 8amps1 x EFSC-6N- Single Phase Speed Control1 x COM-31 x Elta 6 Amp Electronic single phase speed controller.1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Isolator Switch - ISOSW1 x ELTA - Single Phase Transformer 12amps2 x Systemair Save Connect 2.0 Internet Module1 x ELTA - Single Phase Transformer 10amps1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x Push Timer Switch - ZA41 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Two Speed Switch - REGUL-21 x Transformer (silent) speed controller - RE 3.0 Amp1 x CBS-60 Outlet Flange for CSB/CBT-601 x Speed Controller - REB51 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x ACO8AC/EC AutoChangeover panel2 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Transformer Speed Control - RTRE- 1.5Amp1 x EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x MTP 10, 10K, Speed control1 x EM30-24 Electro-Mechanical Control Panel1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x REB-CVF 0-10v Controller1 x EC-Vent Room Unit1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Vent Axia Silent 100T (TIMER)1 x Speed Controller - REB2.5-N1 x Rectangular Airbrick Adaptor1 x Silentub - STUB 1001 x EM30-24 Control Panel Commissioning Service1 x QPTW 250C Acoustic Twin Fan with Controller1 x Silent 100 Window Kit - windowS1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x GENIOX 11 Internal Mounted Unit1 x Mini Diffuser - 100mm1 x DDMP 12-12 3F 1810W M6A4 DG01 x Helios ZNE Electronic Fan Overrun Timer1 x CBA-100 Inlet Flange for CBT-1001 x Jet Cowl - 315mm1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C1 x KBA- Inlet Mounting 1801 x GENIOX 11 Roof Mounted External Unit1 x Round ceiling diffuser 250mm
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...