Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 17 (of 17 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...
Flanged Damper 019-0560-STD
Flanged Damper 019-0560-STD
£ 602.00
Flanged Damper 019-0560-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 17 (of 17 products)
2 x SG-200 Fan Guard for the HQW 2001 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x VTR 300 STD Filter Kit1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x Speed Controller - REB1-N1 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Transformer Speed Control - RTRE- 1.5Amp2 x Speed Controller - REB104 x MTP 10, 10K, Speed control1 x Elta Wall Cowl SWC25/312 x Transformer Speed Control - RTRE- 7.0Amp1 x CBA-60 Inlet Flange for CBT-602 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Helios HQW-315/4 - IP551 x MTS10- extractor fan 3 step switch2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x DDMP 12-12 3F 1810W M6A4 DG02 x Vent Axia Silent 100T (TIMER)1 x Speed Controller - REB82 x UB47- Universal Insulated Terminal1 x Contactor Interface Station - CI91 x CBT-100N Centrifugal1 x Elta 6 Amp Electronic single phase speed controller.2 x Helios HQW-250/4 - IP551 x GXC6EC - High Performance Extract Fan2 x QPTW 250C Acoustic Twin Fan with Controller1 x Silent 100 Window Kit - windowS2 x PIR Sensor - PIR21 x REB-CVF 0-10v Controller1 x Speed Controller - REB2.5-N1 x TUNE-R-200-3-M1 - Control Damper1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x SAVE VSR 300 heat recovery unit1 x Elta - Room Sensor - Temp/Humid/C021 x Elta Variable Speed Drive IP66 - 1.5KW1 x Speed Controller - REB11 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x TUNE-R-200-3-M4 - Control Damper1 x FRQ5-10A Inverter Speed controller
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 ...