Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 14 (of 14 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
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
Flanged Damper 019-0250-STD
£ 396.97
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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 177.45
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
.jpg "JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans")
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 435.00
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans...
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 14 (of 14 products)
1 x Singleflow SSDL400-1EC1 x HRB/4-350-BPN1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x MPS 225 D2 F4 301 x Ducting 90 Degree Bend - 150mm1 x 80mm Stainless Steel Female Ducting Connector 316 Grade1 x Ducting T Piece Equal - 250mm1 x Ducting 90 Degree Bend - 250mm1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 200mm1 x Quietflow SQSDCV400-1ECL - Centrifugal Box Fan1 x KVK SLIM 400 EC - Centrifugal Circular Duct Fan1 x Acoustic Box Fans (Inline) - CAB-400 RE1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Flanged Spigot - 80mm1 x Ducting 90 Degree Bend - 80mm1 x Jetflow Silent SJMF-S 250-1EC1 x Female Ducting Connector - 710mm1 x Jetflow Silent SJMF-S 200-1EC1 x Spiral Duct Grille Termination - 200mm1 x Flanged Spigot - 200mm1 x Elta SCP315-1EC - IP551 x Jetflow Silent SJMF-S 150-1EC1 x Spiral Ducting 1 meter - 80mm1 x Elta SLC500/4A-1AC - IP551 x TCBT/4-630/H EXDIIBT4 ATEX1 x Anti Vibration Mounts - Large - Pack of 4 - AVM11 x HRFD 400/4 EX Atex Rated 400mm Cased Axial Fan 400v1 x HRFD 315/4 EX Atex Rated 315mm Cased Axial Fan 400v1 x Ducting 45 Degree Bend - 80mm1 x Elta Short Cased ATEX Axial fan - SCX050L2-A9/161 x TCBT/4-450/H EXEIIBT4 ATEX1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX500/4-3 Three Phase1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX400/4-3 Three Phase1 x Female Ducting Connector - 450mm1 x TCBT/4-400/H EXEIIT3 ATEX1 x Duct Split Rings (Pair) -560mm1 x HRSB/6-710/24-BZ1 x Universal Pipe Fixing Clip1 x HCFT/4-315mm plastic impeller plate fan1 x HRT/4-315-BPN1 x Hydor HPA315/4-1A1 x HCGT/2-315/L-AMXN E7201 x HCFT/4-315mm (B-FLOW) plastic impeller plate fan1 x Helios HQW-315/4 - IP551 x HCFB/4-315mm plastic impeller plate fan1 x Spiral Ducting 1 meter - 560mm1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 16amps
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Reviews
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56
I have a loft mount extractor fan which was very noisy. I ...