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 Skyflow SSR Horizontal Roof Cowl SSR80B1 x Electrostatic Precipitator - 1H x 3W1 x SD-MUB Vibration pad set1 x Quietflow SQSDCV500-3ECL - Centrifugal Box Fan1 x Same Day Shipping Surcharge - City Sprint1 x Chaysol Da 12/12 CMAL - 1100W 6 Pole - Closed Motor - Three Phase1 x CBM Low Pressure Centrifugal Fan - CBM 12/9 6 Pole 736watt C1 x MEV Spider Additional Spigots1 x Ducting T Piece Equal - 200mm1 x Pallet Delivery Surcharge1 x Matching Flange for 30JM.33.BIF Fans1 x Elta SLC450-1EC -IE5 Motor- IP551 x 400mm x 400mm Metal Grille Box - 250mm Side Entry1 x London Fans Impeller - IMP710/160/10A/20°/28mm kw1 x TX12PL Panel unit1 x *VORT HRW 30 MONO Evo - Single Room Heat Recovery Unit,1 x Acoustic MiniBox Fan - MINI-BOX 3151 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x RTRD - Three Phase Speed Controller - 7 Amp1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x NKS-D swirl diffuser v-300 x 300mm1 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3151 x Balance S Diffuser - NO RING - 125mm1 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 1251 x JSR 200 Painted RAL50181 x 5-Speed Controller for use with Elta SAX Classic Fans2 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 2001 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 EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 16amps1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 8amps2 x Elta 6 Amp Electronic single phase speed controller.1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 200mm1 x ELTA - Single Phase Transformer 4amps1 x COM-31 x AIRVENT speed control - AIR4019611 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 350mm1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 250mm1 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Insulated extract Plenum 8+11 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 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 EC-Vent control board1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x Systemair Save Connect 2.0 Internet Module1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Isolator Switch - EFF-ISO1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Control Panel Commissioning Service1 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 SWC25/311 x Elta Wall Cowl SWC35/401 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x Helios ESA-1 Surface mounted Speed Control 1amp
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Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...