• 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

2 x Vent Axia ACM 125 inline mixed flow duct fan2 x Transformer (silent) speed controller - RE 3.0 Amp1 x Elta Variable Speed Drive IP66 - 7.5KW2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta 10 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x ELTA - Single Phase Transformer 2amps1 x Balance S Diffuser - NO RING - 125mm1 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2002 x Electronic extractor fan speed controller - FSC 1.51 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1601 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 16amps1 x EFSC-3N- Single Phase Speed Control1 x Balance S Diffuser - NO RING - 100mm2 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 200mm1 x Airvent ceiling fan controller1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 12amps2 x AIRVENT speed control - AIR4019612 x COM-31 x ELTA - Single Phase Transformer 4amps1 x Round ceiling diffuser 250mm1 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps2 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A3 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B3 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 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 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 Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EC-Vent Room Unit2 x Systemair Save Connect 2.0 Internet Module1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x QPTW 250C Acoustic Twin Fan with Controller1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC35/401 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/501 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Transformer 5 Speed Controller - ATC1-12TK1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Isolator Switch - ISOSW1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x TG-K Duct temperature sensor1 x BEAS-control module1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Envirovent G4 Filter - SL-G4/F71 x MWS 1.5 – Transformer Controller With Motor Protection1 x Vent Axia T-Series Controller1 x Speed Controller - REB51 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Multiflow SMB550/4-1AC1 x REB-CVF 0-10v Controller1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x PIR Sensor - PIR21 x MTS10- extractor fan 3 step switch1 x Speed Controller - REB11 x PIR Sensor - PIR41 x UB47- Universal Insulated Terminal1 x Elta - Room Sensor - Temp/Humid/C021 x Mini Diffuser - 100mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x SAVE VSR 300 heat recovery unit1 x Jet Cowl - 315mm1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-43 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer 5 Speed Controller - ATC1-4TK2 x Helios TSW 3 Amp Transformer speed controller1 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-8TK1 x Vent Axia ACM 200 inline mixed flow duct fan
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
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I have a loft mount extractor fan which was very noisy. I ...