• 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 Soaker Sheet to suit RA10001 x Soaker Sheet to suit RA3501 x Soaker Sheet to suit RA400/4501 x Soaker Sheet to suit RA315/3001 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU3 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer2 x 7 Day Programmable TIMECLOCK1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x KBA- Inlet Mounting 1801 x Helios DDF-200 Roof Cowl1 x RTRD - Three Phase Speed Controller - 2 Amp1 x RTRD - Three Phase Speed Controller - 4 Amp1 x Speed Controller - REB101 x Rectangular Airbrick Adaptor1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Helios TSW 7.5 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-4TK1 x Helios TSW 3 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller1 x Helios TSW 10 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 Systemair Save Connect 2.0 Internet Module1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Electronic extractor fan speed controller - FSC 1.51 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x TDP-D Pressure Sensor with Display1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x RTRD - Three Phase Speed Controller - 7 Amp1 x MWS-75 Transformer controller with TK -7.5A1 x CS2 Current Switch1 x RTRD - Three Phase Speed Controller - 14 Amp1 x TEM 035 - 5 Speed Transformer Speed Control1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Elta 3 Amp Electronic single phase speed controller with TK1 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 RDS 7 Helios Transformer Controller With Motor Protection1 x Transformer speed controller - ATC1 - 1.5 Amps1 x DEF-140T Inlet Guard for the CBT-100N1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Temperature Fan Speed Controller - ATCP4-WMS1 x Remote controller FLEX - for VEKO INT1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Isolator Switch - ISOSW1 x MWS 3 – Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Vent Axia SC5001 - Speed controller1 x Vent Axia ACM 100 T (Timer Model) 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
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

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