Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 16 (of 16 products)
Backdraft Dampers - BDP
Backdraft Dampers - BDP
£ 5.98
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 maint...
Backdraught Shutters 039-SFSV-63/71
Backdraught Shutters 039-SFSV-63/71
£ 192.96
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
BDS 200/250 RA b/d shutter
BDS 200/250 RA b/d shutter
£ 59.07
BDS 200/250 RA b/d shutter...
BDS 300/315 RA b/d shutter
BDS 300/315 RA b/d shutter
£ 72.20
BDS 300/315 RA b/d shutter...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 90.13
BDS 350 RA b/d shutter...
BDS 400/450 RA b/d shutter
BDS 400/450 RA b/d shutter
£ 95.33
BDS 400/450 RA b/d shutter...
BDS 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 114.39
BDS 500/560 RA b/d shutter...
BDS 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 144.13
BDS 630/710 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 171.71
BDS 800 RA b/d shutter...
Flanged Damper 019-0250-STD
Flanged Damper 019-0250-STD
£ 424.76
Flanged Damper 019-0250-STD Prevents reverse flow of air when fan is not operating Fixed directly to fan case flange Hot dip galvanised steel Galvanised steel butterfly type blades Suitable for...
Flanged Damper 019-0500-STD
Flanged Damper 019-0500-STD
£ 583.15
Flanged Damper 019-0500-STD Prevents reverse flow of air when fan is not operating Fixed directly to fan case flange Hot dip galvanised steel Galvanised steel butterfly type blades Suitable for...
Helios Condense Collector
Helios Condense Collector
£ 168.68
Helios Condense Collector...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 456.75
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans...
RSK355 - Back Draught Shutter
RSK355 - Back Draught Shutter
£ 82.95
Back Draught Shutter for duct installation Galvanized sheet steel housing Aluminium flaps ...
VKS 355-500 Automatic shutter
VKS 355-500 Automatic shutter
£ 89.25
VKS Dampers Automatic shutter Automatic operation Robust construction Seawater resistant Robust The VKS is fitted with shutter blades that are manufactured from seawater-resistant aluminium...
Displaying 1 to 16 (of 16 products)
2 x Airvent ceiling fan controller1 x GXC6EC - High Performance Extract Fan1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Universal Pipe Fixing Clip2 x Mini Diffuser - 100mm1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x CAB-315 ECOWATT Energy Efficient Acoustic Box Fan1 x MV-Silent 350 Bathroom Extractor Fan Kit - Timer1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x AL 450 EC 03 AXIALINE - High Performance Long Cased Axial Fan1 x CRBB/3-190/060M EC 1HO MP - External Rotor Motor Radial Fans1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x CAB-250 ECOWATT Energy Efficient Acoustic Box Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 560mm1 x CRBB/3-160/052M EC 1H0 MP - Radial Impeller - 160mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x CAB-200 ECOWATT Energy Efficient Acoustic Box Fan1 x Helios ELS-VE 1001 x CRBB/3-190/060M EC 1LO BP16 - External Rotor Motor Radial Fans (MEV SPIDER REPLACEMENT MOTOR)1 x Elta Unpodded Silencer Melinex 1D-500mm1 x Elta Unpodded Silencer 1D-250mm1 x CAB-125 ECOWATT Energy Efficient Acoustic Box Fan1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Remote Timer Control - 13511 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Two Speed Switch - REGUL-21 x Elta 6 Amp Electronic single phase speed controller with TK1 x TTC-2000 Three phase electric heater controller1 x Speed Controller - REB11 x Speed Controller - REB1-N1 x EC-Vent control board1 x MTS10- extractor fan 3 step switch1 x ACO8AC/EC AutoChangeover panel2 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x CONTROL ECOWATT - Basic1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x ACO 149-ACO1/EDV1 x Speed Controller - REB2.5-N1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent Room Unit1 x Silentub - STUB 1001 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Control switch - CR1501 x Elta ACO Panel 149-ACO18B1 x Systemair Save Connect 2.0 Internet Module1 x EM30-24 Control Panel Commissioning Service1 x SAVE VSR 300 heat recovery unit1 x Elta 2 Amp Electronic single phase speed controller.1 x EBM-Papst D3G133-BF05-14 Double inlet1 x FFR 355 Filter Cassette1 x CSB-60 Centrifugal fan1 x KBA- Inlet Mounting 1801 x Silentub - STUB 2001 x LFBR 315 G4 - Helios Inline Filter Box - 315mm
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

Look good, works well, except the shaft of the lanellae cuts...