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)
1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x NKS-D swirl diffuser v-300 x 300mm1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Elta 10 Amp Electronic single phase speed controller.1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FU 15 16 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x FU 15 40 Frequency Inverter1 x FRQ5-4A V2 Inverter Speed Controller2 x FRQ-10A V2 Inverter Speed controller1 x PCA Diffuser - PCA-3151 x Transformer 5 Speed Controller - ATC1-10TK1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 2001 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1002 x Balance S Diffuser - NO RING - 125mm1 x Balance S Diffuser - NO RING - 100mm1 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1602 x Electronic extractor fan speed controller - FSC 1.51 x Elta 3 Amp Electronic single phase speed controller.1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 8amps1 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x Round ceiling diffuser 300mm1 x EFSC-3N- Single Phase Speed Control1 x Elta 3 Amp Electronic single phase speed controller with TK2 x Round ceiling diffuser 200mm1 x Elta 2 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x COM-31 x ELTA - Single Phase Transformer 4amps1 x Round ceiling diffuser 350mm2 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 12amps2 x Round ceiling diffuser 250mm2 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps1 x Run On Timer - 5s - 4hrs - RT5A2 x Remote Timer Control - 13511 x Helios ZNE Electronic Fan Overrun Timer2 x Push Timer Switch - ZA41 x Time Delay Unit - DT20B1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x 7 Day Programmable TIMECLOCK2 x Speed Controller - REB52 x Transformer (silent) speed controller - RE 1.5 Amp2 x CBM 9-9 550w 4P VR (Open Motor)2 x REB-CVF 0-10v Controller2 x Transformer Speed Control - RTRE- 1.5Amp1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Single Deflection Grille 400mm with OBD damper1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x Mini Diffuser - 100mm2 x Chaysol DA 9/9 3 speed2 x DPD 12PM Delivery Surcharge2 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)2 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x Northern Ireland Pallet Surcharge1 x DPD 10:30AM Delivery Surcharge1 x Redelivery Charge1 x DDMP 10-10 FLANGE1 x Elta SLC560/4C-3AC - IP551 x Pallet Delivery Surcharge1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x D2E-146-AP47-751 x AL 450 EC 03 AXIALINE - High Performance Long Cased Axial Fan1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x CBM 12/9 CM/AL 1100W 6PT - Closed Motor1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x Small Centrifugal Fans CBM/2-133/190 185w1 x CAB-315 ECOWATT Energy Efficient Acoustic Box Fan1 x Carriage for Scottish Highlands1 x CRBB/3-160/052M EC 1H0 MP - Radial Impeller - 160mm1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x CAB-250 ECOWATT Energy Efficient Acoustic Box Fan1 x Chaysol DA 7/91 x Small Centrifugal Fan - CBM/4-160/150-125 W2 x EBM-Papst D3G133-BF05-14 Double inlet1 x Direct Delivery Surcharge - Pre 12:001 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan3 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-8TK1 x Transformer 5 Speed Controller - ATC1-4TK1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Helios TSW 1.5 Amp Transformer speed controller1 x Transformer speed controller - ATC1 - 1.5 Amps2 x CS2 Current Switch1 x Systemair Save Connect 2.0 Internet Module1 x Isolator Switch - ISOSW1 x Vent Axia ACM 100 inline mixed flow duct fan1 x DEF-140T Inlet Guard for the CBT-100N1 x Vent Axia T-Series Controller1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x EBM-Papst D2E097-BK76-98 Double inlet1 x Speed Controller - REB101 x TG-K3/NTC10-01 - Duct temperature sensor1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Speed Controller - REB1-N1 x CBS-60 Outlet Flange for CSB/CBT-601 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Speed Controller - REB11 x Transformer Speed Control - RTRE- 7.0Amp1 x Multiflow SMB550/4-1AC1 x MTP 10, 10K, Speed control1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Speed Controller - REB81 x PIR Sensor - PIR41 x Speed Controller - REB2.5-N1 x RDH FLEX-SQUARE - ADH/RDH 04501 x CBT-100N Centrifugal1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x UB47- Universal Insulated Terminal1 x Contactor Interface Station - CI91 x Silentub - STUB 1001 x Compact SCD450/4-1AC1 x GENIOX 11 Internal Mounted Unit1 x DDMP 12-12 3F 1810W M6A4 DG01 x Elta - Room Sensor - Temp/Humid/C021 x ACO8AC/EC AutoChangeover panel1 x Electrostatic Precipitator - 1H x 3W1 x CSB-60 Centrifugal fan1 x CO2 Room Sensor - CO2-R1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x VTR 500 STD Filter Kit1 x CBT-80N Centrifugal1 x CBM 7/7 147w 4P RE-VR
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 ...