• 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 Run On Timer - 5s - 4hrs - RT5A3 x Remote Timer Control - 13513 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer4 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B2 x 7 Day Programmable TIMECLOCK1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 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 GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 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- 595x5955 x PIR Sensor - PIR23 x PIR Sensor - PIR41 x Single Deflection Grille 400mm with OBD damper4 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan3 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x Transformer 5 Speed Controller - ATC1-10TK1 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 2001 x Curved Blade Grille 600x600 (2way blow)1 x JSR 200 Painted RAL50182 x Vent Axia ACM 150 inline mixed flow duct fan1 x Round ceiling diffuser 400mm1 x Circular Ceiling Diffuser - TST 1601 x Versio Square Ceiling Diffusers - RS141 x Helios TSW 3 Amp Transformer speed controller1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 200mm1 x RDS 11 Helios Transformer Controller With Motor Protection1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm1 x Helios TSW 1.5 Amp Transformer speed controller3 x Isolator Switch - ISOSW3 x Helios TSW 7.5 Amp Transformer speed controller4 x DEF-140T Inlet Guard for the CBT-100N2 x BEAS-control module1 x TTC-2000 Three phase electric heater controller3 x Vent Axia T-Series Controller1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp2 x Speed Controller - REB54 x TG-K3/NTC10-01 - Duct temperature sensor1 x Elta ACO Panel 149-ACO14E3 x CBS-60 Outlet Flange for CSB/CBT-602 x Transformer (silent) speed controller - RE 1.5 Amp1 x EC-Vent control board1 x CONTROL ECOWATT - Basic2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B2 x Speed Controller - REB31 x EC-Vent Room Unit5 x Systemair Save Connect 2.0 Internet Module3 x Speed Controller - REB1-N1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection2 x REE-2 Electronic Speed Controller2 x RDH FLEX-SQUARE - ADH/RDH 04502 x Vent Axia ACM 100 inline mixed flow duct fan1 x Transformer speed controller - ATC1 - 1.5 Amps2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Two Speed Switch - REGUL-23 x Transformer (silent) speed controller - RE 3.0 Amp1 x EFSC-3N- Single Phase Speed Control3 x Electronic extractor fan speed controller - FSC 1.51 x Transformer Speed Control - RTRE- 5.0Amp1 x CBM 9-9 550w 4P VR (Open Motor)3 x Speed Controller - REB11 x Vent Axia Silent 100T (TIMER)1 x MTS10- extractor fan 3 step switch1 x Transformer Speed Control - RTRE- 1.5Amp1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)4 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-2TK3 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Transformer 5 Speed Controller - ATC1-8TK2 x Transformer 5 Speed Controller - ATC1-12TK3 x Vent Axia ACM 200 inline mixed flow duct fan2 x CS2 Current Switch2 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT2 x TG-K Duct temperature sensor3 x RRB- transformer controller2 x TEM 075 - 5 Speed Transformer Speed Control3 x KMBI 315 Connector rectangular/circular to install on the discharge of CMT2 x Elta 6 Amp Electronic single phase speed controller with TK2 x WS - Reversing Switch from Helios Fans2 x Vortice Quadro Micro 100 I - Standard Version3 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x TG-R room temperature sensor3 x Speed Controller - REB102 x KMBI 250 Connector rectangular/circular to install on the discharge of CMT2 x Elta Variable Speed Drive IP66 - 0.75KW1 x TUNE-R-200-3-M1 - Control Damper1 x Elta Variable Speed Drive IP66 - 2.2KW3 x MTP 10, 10K, Speed control1 x Silent 100 Window Kit - windowS1 x Speed controller with Reverse - REB-1R2 x Remote controller FLEX - for VEKO INT3 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Envirovent G4 Filter - SL-G4/F72 x Transformer 5 Speed Controller - ATC1-4TK2 x Vent Axia ACM 125 inline mixed flow duct fan1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Helios HQW-630/4 - IP551 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Airvent ceiling fan controller1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x ELM 18 EX Flexible Cuff for ERM 181 x REB-CVF 0-10v Controller1 x EM30-24 Control Panel Commissioning Service3 x Transformer Speed Control - RTRE- 7.0Amp2 x Helios TSW MCB Amp Transformer speed controller1 x ERR 20/1 Centrifugal inline fan2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Helios HQW-315/4 - IP552 x DDMP 09-09 3F 2130W M6A4 DG03 x Speed Controller - REB83 x TD Mixvent 800/200 EEXEIIT31 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x CBA-60 Inlet Flange for CBT-602 x UB47- Universal Insulated Terminal1 x TG-K Duct temperature sensor1 x MEV Spider Wireless boost Switch - MEV-SWH-W3 x DDMP 12-12 3F 1810W M6A4 DG01 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Speed Controller - REB2.5-N
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 ...