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 49 to 53 (of 53 products)
RD31S-4EW.6Q.AL - 122296 (Single Phase)
£ 1,456.92
RD31S-4EW.6Q.AL
Double inlet centrifugal fan with spiral housing. Type: RD31S-4EW.6Q.AL ...
RD35S-4DW.6W.3L - 122297 (Three Phase)
£ 1,387.00
RD35S-4DW.6W.3L
Double inlet centrifugal fan with spiral housing. Type: RD35S-4DW.6W.3L ...
Rosenberg DRAD-224-4 Double Inlet High Efficiency Radial Fan
£ 555.00
Rosenberg- Centrifugal fans
with forward curved impellers, Types ERA.../ DRA...
400 volt 3 phase 50 Hz , 0.87kW 1210RPM
Single and double inlet casings, made from galvanized steel, with
spiral scr...
Displaying 49 to 53 (of 53 products)
1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ-10A V2 Inverter Speed controller1 x FRQ5-10A Inverter Speed controller2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 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 FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Elta 10 Amp Electronic single phase speed controller.1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x FU 075 04 Frequency Inverter (IP20)1 x ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm1 x Balance S Diffuser - NO RING - 125mm2 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 1251 x EC6H - Reversible Group Fan Electronic Controller1 x PCA Diffuser - PCA-3151 x Elta 2 Amp Electronic single phase speed controller.1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x ELTA - Single Phase Transformer 8amps1 x Curved Blade Grille 600x600 (2way blow)2 x Airvent ceiling fan controller1 x EFSC-3N- Single Phase Speed Control1 x JSR 200 Painted RAL50181 x Elta 3 Amp Electronic single phase speed controller.2 x Elta 6 Amp Electronic single phase speed controller with TK1 x Circular Ceiling Diffuser - TST 2001 x ELTA - Single Phase Transformer 16amps2 x AIRVENT speed control - AIR4019612 x COM-31 x Circular Ceiling Diffuser - TST 1601 x Round ceiling diffuser 400mm1 x ELTA - Single Phase Transformer 4amps1 x Balance S Diffuser - NO RING - 100mm2 x Round ceiling diffuser 200mm1 x EFSC-6N- Single Phase Speed Control1 x PCA Diffuser - PCA-2501 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 10amps1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x Run On Timer - 5s - 4hrs - RT5A2 x Remote Timer Control - 13512 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 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 SWC25/311 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Jet Cowl - 315mm1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Single Deflection Grille 400mm with OBD damper1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH2 x Mini Diffuser - 100mm1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta ACO Panel 149-ACO18B1 x CAD-COMPACT 500 ADVANCED N8 - MVHR unit1 x Northern Ireland Pallet Surcharge1 x D2E-146-AP47-751 x DPD 12PM Delivery Surcharge1 x Helios ZNE Electronic Fan Overrun Timer2 x Multi Input Run On Timer - 0 - 20min - CFCU2 x ACO8AC/EC AutoChangeover panel1 x REB-CVF 0-10v Controller1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x Systemair Save Connect 2.0 Internet Module1 x UB47- Universal Insulated Terminal1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EC-Vent Room Unit1 x Duct Termination with Mesh - 315mm1 x Small Centrifugal Fans CBM/2-133/190 185w1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-12TK1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Isolator Switch - ISOSW1 x TG-K Duct temperature sensor1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Envirovent G4 Filter - SL-G4/F71 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Speed Controller - REB51 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Vent Axia T-Series Controller1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Multiflow SMB550/4-1AC1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Speed Controller - REB1-N1 x Silent 100 Window Kit - windowS1 x PIR Sensor - PIR21 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x PIR Sensor - PIR41 x Speed Controller - REB11 x QPTW 250C Acoustic Twin Fan with Controller1 x MTS10- extractor fan 3 step switch1 x Elta - Room Sensor - Temp/Humid/C021 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Duct Termination with Mesh - 100mm1 x CO2 Room Sensor - CO2-R1 x CBT-100N Centrifugal1 x CSB-60 Centrifugal fan1 x CFI In-line 150 - Carbon Filter1 x Duct Termination with Mesh - 150mm
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