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 SG-200 Fan Guard for the HQW 2002 x Speed Controller - REB101 x GRA-100 External Grill by S&P4 x UB47- Universal Insulated Terminal4 x Speed Controller - REB11 x TD Mixvent 800/200 EEXEIIT32 x MTP 10, 10K, Speed control1 x REB-CVF 0-10v Controller4 x PIR Sensor - PIR41 x Elta Louvre Shutter - 400mm1 x FRQ5-10A Inverter Speed controller4 x Vent Axia Silent 100T (TIMER)1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Elta Wall Cowl SWC35/401 x CBM 9-9 550w 4P VR (Open Motor)4 x PIR Sensor - PIR21 x Speed Controller - REB81 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Transformer (silent) speed controller - RE 3.0 Amp2 x Transformer Speed Control - RTRE- 7.0Amp1 x Elta Wall Cowl SWC25/312 x Speed Controller - REB1-N2 x Helios HQW-250/4 - IP551 x Helios HQW-315/4 - IP553 x QPTW 250C Acoustic Twin Fan with Controller5 x Transformer Speed Control - RTRE- 1.5Amp1 x EBM-Papst D4E225-BC01-17 Double inlet1 x MTS10- extractor fan 3 step switch1 x CBA-60 Inlet Flange for CBT-601 x VTR 300 STD Filter Kit1 x Elta - Room Sensor - Temp/Humid/C021 x Quietflow SQS100-1ECL - Centrifugal Box Fan2 x DDMP 10-08 3F 2210W M6A4 DG01 x Elta Variable Speed Drive IP66 - 1.5KW1 x Multiflow SMB550/4-1AC1 x ENV 100 12v transformer SELV3 x Compact SCD450/4-1AC1 x Jet Cowl - 315mm1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x GXC6EC - High Performance Extract Fan1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3002 x Mini Diffuser - 100mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7103 x Elta 6 Amp Electronic single phase speed controller.1 x AXC TP - 100mm Plastic Centrifugal Inline Fan2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x SAVE VSR 300 heat recovery unit1 x CBT-100N Centrifugal2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR2 x Transformer speed controller - ATC1 - 1.5 Amps1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x AIRVENT speed control - AIR4019611 x Contactor Interface Station - CI91 x Duct Termination with Mesh - 355mm1 x CO2 Room Sensor - CO2-R1 x DDMP 12-12 3F 1810W M6A4 DG01 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Vent Axia SC5001 - Speed controller
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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 ...