• 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

4 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x Elta Variable Speed Drive IP66 - 7.5KW2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x FU 15 40 Frequency Inverter1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 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 Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FRQ5-10A Inverter Speed controller1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 2003 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Circular Ceiling Diffuser - TST 1001 x Balance S Diffuser - NO RING - 125mm1 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x Circular Ceiling Diffuser - TST 1601 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 200mm1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 350mm1 x Round ceiling diffuser 250mm1 x PCA Diffuser - PCA-2503 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU2 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 CONTROL ECOWATT - Basic1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent Room Unit1 x Elta ACO Panel 149-ACO18B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection3 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 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 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 FU 075 04 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Elta 3 Amp Electronic single phase speed controller with TK1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp3 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)3 x Transformer (silent) speed controller - RE 3.0 Amp1 x Speed Controller - REB51 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)4 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-4TK2 x Vent Axia ACM 150 inline mixed flow duct fan3 x Speed Controller - REB1-N1 x CBM 9-9 550w 4P VR (Open Motor)3 x MTP 10, 10K, Speed control1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x ERR 20/1 Centrifugal inline fan2 x Speed controller with Reverse - REB-1R3 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Helios TSW 1.5 Amp Transformer speed controller1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x Vent Axia Silent 100T (TIMER)1 x Vent Axia ACM 125 inline mixed flow duct fan2 x CBS-60 Outlet Flange for CSB/CBT-601 x Transformer (silent) speed controller - RE 1.5 Amp1 x Transformer Speed Control - RTRE- 7.0Amp1 x Speed Controller - REB102 x QPTW 250C Acoustic Twin Fan with Controller1 x DDMP 12-12 3F 1810W M6A4 DG01 x WS - Reversing Switch from Helios Fans1 x ERR 31/1 Centrifugal inline fan2 x TG-K3/NTC10-01 - Duct temperature sensor1 x Multiflow SMB550/4-1AC1 x Transformer Speed Control - RTRE- 1.5Amp1 x PIR Sensor - PIR21 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x Vent Axia ACM 200 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Envirovent G4 Filter - SL-G4/F72 x Speed Controller - REB11 x VTR 300 STD Filter Kit1 x Transformer 5 Speed Controller - ATC1-2TK1 x Transformer 5 Speed Controller - ATC1-8TK1 x RDS 11 Helios Transformer Controller With Motor Protection1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x CBA-60 Inlet Flange for CBT-602 x Push Timer Switch - ZA41 x BEAS-control module1 x MWS 1.5 – Transformer Controller With Motor Protection2 x Electronic extractor fan speed controller - FSC 1.51 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Airvent ceiling fan controller2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Transformer 5 Speed Controller - ATC1-12TK1 x Three Phase Transformer controllers - RMT 1.5 Amp2 x COM-32 x Isolator Switch - ISOSW1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x TG-K Duct temperature sensor1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Temperature Fan Speed Controller - ATCP4-WMS1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Elta 6 Amp Electronic single phase speed controller with TK1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Helios HQW-315/4 - IP551 x Silent 100 Window Kit - windowS1 x TD Mixvent 800/200 EEXEIIT31 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x PIR Sensor - PIR41 x TG-K Duct temperature sensor1 x DEF-140T Inlet Guard for the CBT-100N
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 44.99

Well made and robust, but it was not use for my application ...