Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 17 (of 17 products)
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
£ 192.96
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
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
£ 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
£ 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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
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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
£ 82.95
Back Draught Shutter
for duct
installation
Galvanized sheet steel housing
Aluminium flaps ...
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)
1 x Speed Controller - REB52 x REB-CVF 0-10v Controller1 x Elta Variable Speed Drive IP66 - 2.2KW1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x SG-200 Fan Guard for the HQW 2001 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Elta Wall Cowl SWC56/631 x DDMP 12-12 3F 1810W M6A4 DG04 x MTP 10, 10K, Speed control1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x CBM 9-9 550w 4P VR (Open Motor)3 x Speed Controller - REB1-N2 x CBA-60 Inlet Flange for CBT-603 x Helios HQW-315/4 - IP551 x Silent 100 Window Kit - windowS4 x Transformer Speed Control - RTRE- 1.5Amp2 x TD Mixvent 800/200 EEXEIIT34 x PIR Sensor - PIR22 x MTS10- extractor fan 3 step switch2 x Speed Controller - REB102 x Vent Axia Silent 100T (TIMER)3 x QPTW 250C Acoustic Twin Fan with Controller1 x GRA-100 External Grill by S&P3 x Helios HQW-250/4 - IP551 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Elta Louvre Shutter - 400mm1 x TUNE-R-200-3-M1 - Control Damper2 x Speed Controller - REB11 x Elta Wall Cowl SWC25/313 x UB47- Universal Insulated Terminal1 x EBM-Papst D4E225-BC01-17 Double inlet1 x Elta Wall Cowl SWC45/501 x PIR Sensor - PIR41 x Transformer Speed Control - RTRE- 7.0Amp1 x Speed Controller - REB81 x Elta 6 Amp Electronic single phase speed controller.1 x Compact SCD450/4-1AC1 x ENV 100 12v transformer SELV1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Duct Termination with Mesh - 355mm1 x VTR 300 STD Filter Kit
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Reviews
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40
I have a loft mount extractor fan which was very noisy. I ...