Dampers

Dampers including Backdraft dampers and Volume Control dampers.

Displaying 1 to 24 (of 71 products)
Backdraft Dampers - BDP
Backdraft Dampers - BDP
£ 5.98
Ducting Backdraft Dampers The BDP01 damper has aluminium lamellae which open during the air flow in one direction and close when air is draught back. When no air is flowing, the lamellae are maint...
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49
The DAOSL back draft damper has aluminium lamellae which open during the air flow in one direction and close when the fan motor is inactive. When no air is flowing, the lamellae are maintained in a ...
HD Series Control Damper - 1000mm X 1000mm
HD Series Control Damper - 1000mm X 1000mm
£ 248.06
The HD series damper range offers blade profiles that provides air volume control through to low closed blade leakage characteristics, that have been designed for systems where high air pressures a...
HD Series Control Damper - 2000mm X 1000mm
HD Series Control Damper - 2000mm X 1000mm
£ 384.77
The HD series damper range offers blade profiles that provides air volume control through to low closed blade leakage characteristics, that have been designed for systems where high air pressures a...
HD Series Control Damper - 2300mm X 1000mm
HD Series Control Damper - 2300mm X 1000mm
£ 439.90
The HD series damper range offers blade profiles that provides air volume control through to low closed blade leakage characteristics, that have been designed for systems where high air pressures a...
HD Series Control Damper - 3000mm X 1500mm
HD Series Control Damper - 3000mm X 1500mm
£ 854.44
*** THIS IS SUPPLIED IN 2 x 1450mm W x 1500mm H with joining strips *** The HD series damper range offers blade profiles that provides air volume control through to low closed blade leakage cha...
HD-LL Series  - 100mm with NFA-S2, Multi Voltage Damper Actuator
HD-LL Series - 100mm with NFA-S2, Multi Voltage Damper Actuator
£ 347.29
Low Leakage Control Damper, HD-LL Series, Non Insulated Aluminium Blades, Circular, 140mm Case Depth, Electric Motor, NFA-S2 (SC) 100mm DIA The HD-LL series damper has been designed for a...
HD-LL Series  600x600
HD-LL Series 600x600
£ 274.52
The HD-LL series damper has been designed for air conditioning and ventilation systems requiring air control and low closed blade leakage performance. The aerodynamic aluminium reinforced blade design...
Motorised Volume Control Damper - 400mm
Motorised Volume Control Damper - 400mm
£ 325.06
Motorised Volume Control Damper - 400mm 230v Actuator....
Multileaf Volume Control Dampers - Circular Spigoted Case - MVCD
Multileaf Volume Control Dampers - Circular Spigoted Case - MVCD
£ 49.94
Multileaf Volume Control Dampers - Circular Spigoted Case Balancing dampers were formulated to provide accurate control of airflow within ventilating and air conditioning systems combined with low ...
Multileaf Volume Control Dampers -500/500 Rectangular Flanged
Multileaf Volume Control Dampers -500/500 Rectangular Flanged
£ 128.47
Multileaf Volume Control Dampers - Rectangular/Square Flanged Size 500mm x 500mm Balancing dampers were formulated to provide accurate control of airflow within ventilating and air conditioning syst...
Multileaf Volume Control Dampers -600/600 Rectangular Flanged
Multileaf Volume Control Dampers -600/600 Rectangular Flanged
£ 97.32
Multileaf Volume Control Dampers - Rectangular/Square Flanged Size 600mm x 600mm Balancing dampers were formulated to provide accurate control of airflow within ventilating and air conditioning syst...
OBD 450x450 -  for use with 4WAY-595
OBD 450x450 - for use with 4WAY-595
£ 19.95
OBD 450x450 - for use with 4WAY-595...
RSK355 - Back Draught Shutter
RSK355 - Back Draught Shutter
£ 79.41
Back Draught Shutter for duct installation Galvanized sheet steel housing Aluminium flaps ...
RSK400 - Back Draught Shutter
RSK400 - Back Draught Shutter
£ 90.04
Back Draught Shutter for duct installation Galvanized sheet steel housing Aluminium flaps ...
RSK450 - Back Draught Shutter
RSK450 - Back Draught Shutter
£ 103.95
Back Draught Shutter for duct installation Galvanized sheet steel housing Aluminium flaps ...
S & P Backdraft Damper - MCA
S & P Backdraft Damper - MCA
£ 44.97
Back-draft dampers by S&P for the TD-Silent range and inline fans. Note: Our BDP range of backdraft dampers will also work, but those are inserted in the ducting as opposed to straight onto the fan ...
Single Blade Regulating Dampers - SB-
Single Blade Regulating Dampers - SB-
£ 23.35
Single Blade Regulating Dampers Specifications Case 0.8mm Zintec coated Mild Steel Blade 1.2mm Galvanised Coated Mild Steel Bushes Nylon 66 Injection Moulded Bushes Spindles 12.5mm MAZAK Alloy ...
SPI-100 C Iris damper
SPI-100 C Iris damper
£ 36.75
The SPI is an iris damper for measuring and adjusting the air flow. The SPI has the following specifications: low noise level, centrically-formed air flow and fixed test points for precise measurement...
SPI-125 C Iris damper
SPI-125 C Iris damper
£ 44.10
The SPI is an iris damper for measuring and adjusting the air flow. The SPI has the following specifications: low noise level, centrically-formed air flow and fixed test points for precise measurement...
SPI-150 C Iris damper
SPI-150 C Iris damper
£ 47.92
The SPI is an iris damper for measuring and adjusting the air flow. The SPI has the following specifications: low noise level, centrically-formed air flow and fixed test points for precise measurement...
SPI-200 C Iris damper
SPI-200 C Iris damper
£ 51.85
The SPI is an iris damper for measuring and adjusting the air flow. The SPI has the following specifications: low noise level, centrically-formed air flow and fixed test points for precise measurement...
SPI-250 C Iris damper
SPI-250 C Iris damper
£ 70.35
The SPI is an iris damper for measuring and adjusting the air flow. The SPI has the following specifications: low noise level, centrically-formed air flow and fixed test points for precise measurement...
SPI-315 C Iris damper
SPI-315 C Iris damper
£ 105.01
The SPI is an iris damper for measuring and adjusting the air flow. The SPI has the following specifications: low noise level, centrically-formed air flow and fixed test points for precise measurement...
Displaying 1 to 24 (of 71 products)
2 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x NKS-D swirl diffuser v-300 x 300mm1 x Elta 10 Amp Electronic single phase speed controller.1 x Circular Ceiling Diffuser - TST 1251 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2001 x Balance S Diffuser - NO RING - 125mm1 x Round ceiling diffuser 400mm2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 1601 x ELTA - Single Phase Transformer 2amps1 x Balance S Diffuser - NO RING - 100mm2 x Electronic extractor fan speed controller - FSC 1.51 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x EC6H - Reversible Group Fan Electronic Controller2 x Round ceiling diffuser 200mm1 x Round ceiling diffuser 300mm1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.2 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps2 x AIRVENT speed control - AIR4019612 x Airvent ceiling fan controller1 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 12amps1 x ELTA - Single Phase Transformer 4amps2 x COM-31 x EFSC-6N- Single Phase Speed Control2 x Remote Timer Control - 13512 x Elta 6 Amp Electronic single phase speed controller.2 x Run On Timer - 5s - 4hrs - RT5A2 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B2 x Multi Input Run On Timer - 0 - 20min - CFCU2 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller2 x ACO8AC/EC AutoChangeover panel2 x ACOAS/ AC/EC Auto Changeover 8Amp2 x Speed Controller - REB101 x EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x Transformer Speed Control - RTRE- 7.0Amp1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EC-Vent Room Unit2 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x REB-CVF 0-10v Controller1 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC56/632 x Speed Controller - REB81 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC25/311 x UB47- Universal Insulated Terminal2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 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 Remote controller FLEX - for VEKO INT1 x Helios TSW 3 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-12TK1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Helios TSW 10 Amp Transformer speed controller1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x DEF-140T Inlet Guard for the CBT-100N1 x Isolator Switch - ISOSW1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x TG-K Duct temperature sensor1 x BEAS-control module1 x Vent Axia T-Series Controller1 x Envirovent G4 Filter - SL-G4/F71 x Transformer (silent) speed controller - RE 3.0 Amp1 x Speed Controller - REB31 x Speed Controller - REB51 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Transformer (silent) speed controller - RE 1.5 Amp1 x CBS-60 Outlet Flange for CSB/CBT-601 x Speed Controller - REB1-N1 x Transformer Speed Control - RTRE- 1.5Amp1 x DEF-CBM-RE-7 - Protection Guard1 x CBM 9-9 550w 4P VR (Open Motor)1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x MTS10- extractor fan 3 step switch1 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x MTP 10, 10K, Speed control1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x PIR Sensor - PIR21 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Multiflow SMB550/4-1AC1 x Contactor Interface Station - CI91 x Vent Axia Silent 100T (TIMER)1 x ELM 20 EX Flexible Cuff for ERM 221 x PIR Sensor - PIR41 x DDMP 09/09 Mounting Flange1 x Silent 100 Window Kit - windowS1 x QPTW 250C Acoustic Twin Fan with Controller1 x Silentub - STUB 1001 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x SAVE VSR 300 heat recovery unit1 x DDMP 12-12 3F 1810W M6A4 DG01 x GENIOX 11 Internal Mounted Unit1 x Compact SCD450/4-1AC1 x Potentiometer EGH 01 - for DDMP Fans1 x VTR 500 STD Filter Kit1 x CO2 Room Sensor - CO2-R1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x CBT-80N Centrifugal1 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C1 x CBM 7/7 147w 4P RE-VR1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x GENIOX 11 Roof Mounted External Unit1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x CBA-60 Inlet Flange for CBT-601 x Speed Controller - REB2.5-N1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x CBA-100 Inlet Flange for CBT-1001 x Vent Axia Trickle & Boost Switch1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x KBA- Inlet Mounting 2251 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x CFI In-line 150 - Carbon Filter1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x Mini Diffuser - 100mm
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 ...