• Model:BDP

Backdraft Dampers - BDP

£ 5.98 (excl. VAT)

£ 7.18 (inc. VAT)

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 maintained closed using a spring..

Also used to prevent movement of odours and air flow in ducting and noise reduction.

Available sizes - 100m to 315mm, Please select above

Download specifications HERE

Available Options

3 x CS2 Current Switch2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Push Timer Switch - ZA42 x COM-31 x Helios ZNE Electronic Fan Overrun Timer2 x Isolator Switch - ISOSW3 x MWS 3 – Transformer Controller With Motor Protection1 x Time Delay Unit - DT20B1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp2 x Systemair Save Connect 2.0 Internet Module1 x ACO8AC/EC AutoChangeover panel1 x TG-K Duct temperature sensor2 x Elta 6 Amp Electronic single phase speed controller with TK1 x Elta ACO Panel 149-ACO14E2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel2 x MWS 1.5 – Transformer Controller With Motor Protection1 x EC-Vent control board3 x WS - Reversing Switch from Helios Fans1 x ACO 149-ACO1/EDV1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Transformer 5 Speed Controller - ATC1-12TK1 x BEAS-control module1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Elta Variable Speed Drive IP66 - 0.75KW1 x Helios HQW-200/2 - IP551 x Transformer (silent) speed controller - RE 1.5 Amp1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Helios HQW-200/4 - IP552 x Isolator Switch - EFF-ISO2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x EC-Vent Room Unit1 x Vent Axia Silent 100T (TIMER)1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection2 x Transformer Speed Control - RTRE- 7.0Amp3 x Speed Controller - REB101 x EM30-24 Control Panel Commissioning Service1 x Elta ACO Panel 149-ACO18B2 x TG-K3/NTC10-01 - Duct temperature sensor1 x CBS-60 Outlet Flange for CSB/CBT-601 x TD Mixvent 800/200 EEXEIIT31 x Envirovent G4 Filter - SL-G4/F72 x EC6H - Reversible Group Fan Electronic Controller1 x CBM 9-9 550w 4P VR (Open Motor)1 x Speed Controller - REB1-N1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x PIR Sensor - PIR21 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Helios HQW-630/4 - IP551 x Airvent ceiling fan controller1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x TG-R room temperature sensor1 x Elta 6 Amp Electronic single phase speed controller.1 x Electronic extractor fan speed controller - FSC 1.51 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x Helios HQW-315/4 - IP551 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Multiflow SMB550/4-1AC1 x Vent Axia T-Series Controller1 x Transformer Speed Control - RTRE- 12.0Amp1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x DEF-140T Inlet Guard for the CBT-100N1 x Speed controller with Reverse - REB-1R1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE
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 ...