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 Helios TSW 1.5 Amp Transformer speed controller1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Curved Blade Grille 600x600 (2way blow)1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 200mm1 x ELTA - Single Phase Transformer 4amps1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 10amps1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x Elta ACO Panel 149-ACO18B1 x ACO 149-ACO1/EDV1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Systemair Save Connect 2.0 Internet Module1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC56/631 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC35/401 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Jet Cowl - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x CBM 9/7 4p 420W RE-VR1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x EBM-Papst D3G133-BF05-14 Double inlet1 x Mini Diffuser - 100mm1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x DDMP 10-10 FLANGE1 x Same Day Shipping Surcharge - City Sprint1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x Northern Ireland Pallet Surcharge1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x DPD 12PM Delivery Surcharge1 x DPD 10:30AM Delivery Surcharge1 x Chaysol DA 7/91 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x Economy Airvent 100mm Fan with Timer2 x DV-ROF-V-225 Roof mounted unit1 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 D2E-146-AP47-751 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x CBM 12/9 CM/AL 1100W 6PT - Closed Motor1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x HQS Bathroom Axial Flow Fan - 125mm2 x Fresh Air control carbon filter - 125mm1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x BD9/9 centrifugal M4 0.35Kw1 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HAS1 x HRB/6-451/20-BMVPN - Special Offer1 x BD7/7 centrifugal M4 0.13Kw1 x Small Centrifugal Fans CBM/2-146/180-300 W1 x EBM-Papst K3G160-BD02-01 Double inlet1 x Elta Unpodded Silencer Melinex 1D-500mm1 x Helios DDF-400 Roof Cowl1 x S&P RF4C-160/062 K040 SF-1744 (230V50Hz) VE1 x Small Centrifugal Fans CBM/4-133/190 70w1 x Helios DDF-400 G Roof Cowl (GREY)2 x EBM-Papst D2E097-BK76-98 Double inlet1 x Manrose 150mm - XF150BTP1 x Helios DDF-250 Roof Cowl1 x Additional Colour change for RAW 630 (12-B-29)1 x Roof Axial Cowl - RAW500 / 5601 x Flat Roof Terminal -OFT 5 - EPDM1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x Lo-Carbon PUREAIR HOME WITH HEATER BOXED ASSY1 x Flat Roof Terminal -OFT 5 - Bitumen1 x RTRD - Three Phase Speed Controller - 2 Amp1 x Transformer 5 Speed Controller - ATC1-4TK1 x Circular Ceiling Diffuser - TST 1001 x EC6H - Reversible Group Fan Electronic Controller1 x AIRVENT speed control - AIR4019611 x Vent Axia ACM 100 inline mixed flow duct fan1 x Round ceiling diffuser 250mm1 x Helios HQW-200/2 - IP551 x Speed Controller - REB51 x Rectangular Airbrick Adaptor1 x Remote Timer Control - 13511 x Elta 6 Amp Electronic single phase speed controller with TK1 x Speed Controller - REB1-N1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x CBM 9-9 550w 4P VR (Open Motor)1 x Transformer Speed Control - RTRE- 3.0Amp1 x CO2 Room Sensor - CO2-R
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Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40
I have a loft mount extractor fan which was very noisy. I ...