• Model:CTB/4

CTB Series -Roof Mounted Fan

£ 677.30 (excl. VAT)

£ 812.76 (inc. VAT)

Range of centrifugal roof fans which are mounted directly above a circular duct for the ventilation of housings and small enclosures.
Centrifugal backward curved impeller in galvanised sheet steel.
Galvanised steel sheet housing protected by black epoxy polyester paint.
All models are fitted with bird proof guard.
4 different sizes for diameter ducts 160, 200, 250 and 315 mm.
ON-OFF switch IP55.
Duct connection flange with integrated rubber air seal.
Manual resetting thermal protector 155ºC.

Motors. All motors are IP55, Class F, direct drive.

Electrical supply:
Single phase motor 230V 50Hz.
Variable voltage.
Working temperature: -40ºC/+70ºC
PDF Files


CTB Series

Available Options

1 x Transformer Speed Control - RTRE- 7.0Amp2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Jet Cowl - 315mm2 x Transformer Speed Control - RTRE- 1.5Amp3 x Speed Controller - REB11 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR3 x QPTW 250C Acoustic Twin Fan with Controller1 x Vent Axia Silent 100T (TIMER)1 x VTR 300 STD Filter Kit1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x ENV 100 12v transformer SELV1 x EBM-Papst D4E225-BC01-17 Double inlet3 x Speed Controller - REB83 x PIR Sensor - PIR45 x Compact SCD450/4-1AC2 x VEKA INT 2000/15.0-L1 EKO4 x AIRVENT speed control - AIR4019612 x Silentub - STUB 1003 x DDMP 12-12 3F 1810W M6A4 DG01 x PIR Sensor - PIR22 x Elta 6 Amp Electronic single phase speed controller.1 x TG-K Duct temperature sensor2 x Mini Diffuser - 100mm2 x Elta Variable Speed Drive IP66 - 5.5KW1 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x 220x90mm Insulated Rectangular Horizontal 45° Bend4 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Contactor Interface Station - CI91 x 204x60mm Insulated Rectangular Vertical 45° Bend4 x DDMP 10-08 3F 2210W M6A4 DG03 x CBT-100N Centrifugal1 x Speed Controller - REB162 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Elta - Room Sensor - Temp/Humid/C021 x Elta Variable Speed Drive IP66 - 1.5KW3 x ACO8AC/EC AutoChangeover panel3 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x 220x90mm Insulated Rectangular Vertical 90° Bend3 x CBA-100 Inlet Flange for CBT-1001 x UB47- Universal Insulated Terminal1 x Electrostatic Precipitator - 1H x 3W1 x DEF-CBM-RE-7 - Protection Guard1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5952 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Singleflow SSDL315-1EC3 x Helios RR-250-C Centrifugal inline fan2 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Potentiometer EGH 01 - for DDMP Fans1 x Single Deflection Grille 400mm with OBD damper1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-12 x DS-2 2-Speed Switch (3 Phase)1 x TUNE-R-200-3-M2 - Control Damper1 x ELM 18 EX Flexible Cuff for ERM 181 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-1AC - Single Phase2 x TUNE-R-200-3-M4 - Control Damper1 x AXC TP - 100mm Plastic Centrifugal Inline Fan2 x Speed Controller - REB2.5-N1 x Speed controller with Reverse - REB-1R1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x IR24-P - Presence detector1 x CSB-60 Centrifugal fan1 x Round ceiling diffuser 200mm1 x Helios ZNE Electronic Fan Overrun Timer2 x CO2 Room Sensor - CO2-R3 x MTS10- extractor fan 3 step switch1 x Elta Variable Speed Drive IP66 - 4.0KW1 x CBP-18/18-RC Belt Driven Centrifugal Fans2 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x ACO3TO-ADS-VFC-7.1A2 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x Duct Termination with Mesh - 355mm2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x VTR 500 STD Filter Kit2 x Speed Controller - REB51 x RSK355 - Back Draught Shutter2 x SAVE VSR 300 heat recovery unit1 x Comefri - TLZ 560 R - High Performance Scroll Fan1 x CCpro 40 (1CC9402) Long Casing Extension1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven2 x SPI-100 C Iris damper1 x Transformer Speed Control - RTRE- 5.0Amp1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Round ceiling diffuser 400mm1 x Vent Axia SC5001 - Speed controller1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x CPTA-E Flush mounted PIR sensor with timer1 x Speed Controller - REB31 x Transformer (silent) speed controller - RE 5.0 Amp1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Flakt Woods ME 1.3 speed controller 3amp - EA9011581 x Round ceiling diffuser 250mm1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x CBT-80N Centrifugal1 x KAD-225-F400 Rectangle Flexible Connector1 x CMT-2 180/75 0.75KW - Single inlet centrifugal fan with inlet and outlet flange connections - 200mm
BD9/9 centrifugal M4 0.35Kw
BD9/9 centrifugal M4 0.35Kw
£ 399.00 now £ 350.00
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...