• 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 - Single Phase Transformer 2amps1 x Elta 3 Amp Electronic single phase speed controller.1 x Speed Controller - REB31 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x EC6H - Reversible Group Fan Electronic Controller1 x Elta 2 Amp Electronic single phase speed controller.2 x Elta 3 Amp Electronic single phase speed controller with TK2 x Elta 6 Amp Electronic single phase speed controller with TK1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Elta 6 Amp Electronic single phase speed controller.1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x Systemair Save Connect 2.0 Internet Module2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 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 EM30-24 Electro-Mechanical Control Panel1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box1 x 7 Day Programmable TIMECLOCK1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x Vent Axia T-Series Controller1 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)1 x EM30-24 Control Panel Commissioning Service1 x ERR 31/1 Centrifugal inline fan1 x Elta Variable Speed Drive IP66 - 2.2KW1 x REB-CVF 0-10v Controller1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x MTP 10, 10K, Speed control1 x Silent 100 Window Kit - windowS1 x Vent Axia Silent 100T (TIMER)1 x EC-Vent Room Unit1 x Transformer (silent) speed controller - RE 1.5 Amp1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection2 x Electronic extractor fan speed controller - FSC 1.51 x Speed Controller - REB51 x Vent Axia ACM 150 inline mixed flow duct fan1 x Helios TSW 7.5 Amp Transformer speed controller2 x Vent Axia ACM 100 inline mixed flow duct fan1 x MV-B Dual Switch for use with Helios HQW plate fans,2 x Isolator Switch - ISOSW2 x BEAS-control module1 x Helios HQW-200/2 - IP552 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x MWS 1.5 – Transformer Controller With Motor Protection1 x ERR 20/1 Centrifugal inline fan1 x Airvent ceiling fan controller1 x Helios HQW-200/4 - IP552 x Multiflow SMB550/4-1AC2 x Remote Timer Control - 13511 x Multi Input Run On Timer - 0 - 20min - CFCU2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x Push Timer Switch - ZA41 x Helios TSW 3 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection2 x Vent Axia ACM 125 inline mixed flow duct fan2 x CS2 Current Switch1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x TG-K Duct temperature sensor1 x Helios HQW-630/4 - IP552 x WS - Reversing Switch from Helios Fans3 x Transformer (silent) speed controller - RE 3.0 Amp1 x TG-R room temperature sensor1 x Speed Controller - REB102 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-2TK1 x Helios TSW MCB Amp Transformer speed controller1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x MWS 3 – Transformer Controller With Motor Protection1 x CBS-60 Outlet Flange for CSB/CBT-602 x Elta Variable Speed Drive IP66 - 0.75KW1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Transformer 5 Speed Controller - ATC1-4TK1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B
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
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...