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)
£ 1,672.92
Nicotra RDH E0-0400 (L)...
Nicotra RDH E2-0280 (R)
Nicotra RDH E2-0280 (R)
£ 945.00
Nicotra RDH E2-0280 (R)...
Nicotra RDH E2-0315 (R)
Nicotra RDH E2-0315 (R)
£ 1,154.52
Nicotra RDH E2-0315 (R)...
Nicotra RDH E2-0355 (R)
Nicotra RDH E2-0355 (R)
£ 1,544.39
Nicotra RDH E2-0355 (R)...
Nicotra RDH E2-0400 (R)
Nicotra RDH E2-0400 (R)
£ 1,617.84
Nicotra RDH E2-0400 (R)...
Nicotra RDH E2-0500 (R)
Nicotra RDH E2-0500 (R)
£ 2,262.60
Nicotra RDH E2-0500 (R) This fan is on a 8 week lead time,...
Nicotra RDH E4-0225 (K)
Nicotra RDH E4-0225 (K)
£ 1,024.92
Nicotra RDH E4-0225 (K)...
Nicotra RDH E4-0250 (K)
Nicotra RDH E4-0250 (K)
£ 1,214.99
Nicotra RDH E4-0250 (K)...
Nicotra RDH E4-0315 (K)
Nicotra RDH E4-0315 (K)
£ 1,216.08
Nicotra RDH E4-0315 (K)...
Nicotra RDH E4-0355 (K)
Nicotra RDH E4-0355 (K)
£ 1,558.44
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
£ 1,936.22
Nicotra RDH E4-0355 (K) With Flange 0355 ADHE/RDHE...
Nicotra RDH E4-0400 (K)
Nicotra RDH E4-0400 (K)
£ 2,084.39
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
£ 1,988.71
Nicotra RDH E4-0400 With Framework Fitted...
Nicotra RDH E4-0450 (K)
Nicotra RDH E4-0450 (K)
£ 2,247.48
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)
£ 1,865.07
Nicotra RDH E4-0450 (L)...
Nicotra RDH E4-0500 (K)
Nicotra RDH E4-0500 (K)
£ 2,360.72
Nicotra RDH E4-0500 (K) This fan is on a 8 week lead time,...
Nicotra RDH E4-0560 (K)
Nicotra RDH E4-0560 (K)
£ 3,450.60
Nicotra RDH E4-0560 (K)...
Nicotra RDH E6-0450 (K1)
Nicotra RDH E6-0450 (K1)
£ 2,646.00
Nicotra RDH E6-0450 (K1)...
Nicotra RER  11-0225
Nicotra RER 11-0225
£ 945.00
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)
1 x DPD 12PM Delivery Surcharge1 x Northern Ireland Pallet Surcharge1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Direct Delivery Surcharge1 x D2E146-HT67-021 x Jetflow Silent SJMF-S 250-1EC1 x Frequency converter FU 075 14 - IP661 x Electronic extractor fan speed controller - FSC 1.51 x Elta 3 Amp Electronic single phase speed controller.1 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 12amps1 x Round ceiling diffuser 250mm1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 4amps1 x COM-31 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps1 x Run On Timer - 5s - 4hrs - RT5A2 x Remote Timer Control - 13511 x 7 Day Programmable TIMECLOCK1 x PIR Sensor - PIR21 x ACO8AC/EC AutoChangeover panel1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Economy Airvent 100mm Fan with Timer1 x DPD 10:30AM Delivery Surcharge1 x HPA Heavy Duty Flexible Ducting - HPA300-FD51 x CMT-2 180/75 0.75KW - Single inlet centrifugal fan with inlet and outlet flange connections - 200mm1 x Manrose T12 STANDARD Transformer- T12S1 x Economy Airvent 150mm Fan1 x Jetflow-HIT Metal inline - 125mm1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x DPD SATURDAY Delivery Surcharge1 x Economy Airvent 100mm Fan with Timer/Humidistat/Pullcord1 x CRBB/3-160/052M EC 1H0 MP - Radial Impeller - 160mm2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Remote controller FLEX - for VEKO INT1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 0.75KW1 x ELTA - Three Phase Transformer 3amps1 x Transformer 5 Speed Controller - ATC1-10TK1 x Transformer 5 Speed Controller - ATC1-12TK1 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1001 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Helios TSW 3 Amp Transformer speed controller1 x Balance S Diffuser - NO RING - 100mm1 x Systemair Save Connect 2.0 Internet Module1 x EC6H - Reversible Group Fan Electronic Controller1 x ELTA - Single Phase Transformer 8amps1 x Elta 2 Amp Electronic single phase speed controller.1 x Helios TSW MCB Amp Transformer speed controller1 x TG-K Duct temperature sensor1 x Two Speed Switch - REGUL-21 x Helios ZNE Electronic Fan Overrun Timer1 x Speed Controller - REB31 x Speed Controller - REB51 x REE-1 Electronic Speed Controller1 x Rectangular Airbrick Adaptor1 x Speed Controller - REB101 x Speed Controller - REB1-N1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Isolator Switch - ISOSW1 x CBS-60 Outlet Flange for CSB/CBT-601 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Speed Controller - REB11 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection
BD7/7 centrifugal M4 0.13Kw
BD7/7 centrifugal M4 0.13Kw
£ 345.00 now £ 300.00
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

Look good, works well, except the shaft of the lanellae cuts...