• 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

1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps1 x EC6H - Reversible Group Fan Electronic Controller1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1001 x ELTA - Single Phase Transformer 8amps1 x PCA Diffuser - PCA-3151 x Airvent ceiling fan controller1 x Elta 3 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 12amps1 x Elta 3 Amp Electronic single phase speed controller.1 x Curved Blade Grille 600x600 (2way blow)1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50181 x COM-31 x Circular Ceiling Diffuser - TST 2001 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x EFSC-6N- Single Phase Speed Control1 x Versio Square Ceiling Diffusers - RS141 x Round ceiling diffuser 200mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 300mm1 x Balance S Diffuser - NO RING - 100mm1 x ELTA - Single Phase Transformer 10amps1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 250mm1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Round ceiling diffuser 350mm1 x Run On Timer - 5s - 4hrs - RT5A1 x Remote Timer Control - 13511 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios TSD 5.5 Transformer Speed Control (400v)1 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 Helios VDS-7 Three Phase Transformer 5-Step1 x FRQ-10A V2 Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x FU 22 25 Frequency Inverter1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 4.0KW1 x ELTA - Three Phase Transformer 10amps1 x FU 075 04 Frequency Inverter (IP20)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 3amps1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x ACO8AC/EC AutoChangeover panel1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x Systemair Save Connect 2.0 Internet Module1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EC-Vent Room Unit1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT1 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 SWC45/501 x Elta Wall Cowl SWC35/401 x Transformer (silent) speed controller - RE 1.5 Amp1 x Jet Cowl - 315mm1 x Electronic extractor fan speed controller - FSC 1.51 x Envirovent G4 Filter - SL-G4/F71 x MTP 10, 10K, Speed control1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 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 ...