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 Transformer Speed Control - RTRE- 7.0Amp1 x FRQ5-10A Inverter Speed controller3 x Speed Controller - REB81 x Helios HQW-315/4 - IP552 x PIR Sensor - PIR41 x Helios HQW-250/4 - IP554 x QPTW 250C Acoustic Twin Fan with Controller1 x Elta Wall Cowl SWC35/402 x MTS10- extractor fan 3 step switch6 x Transformer Speed Control - RTRE- 1.5Amp1 x Elta Wall Cowl SWC45/504 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x CBA-60 Inlet Flange for CBT-602 x VTR 300 STD Filter Kit5 x Speed Controller - REB12 x TG-K Duct temperature sensor4 x Compact SCD450/4-1AC1 x UB47- Universal Insulated Terminal3 x Elta - Room Sensor - Temp/Humid/C022 x Elta 6 Amp Electronic single phase speed controller.1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3002 x Mini Diffuser - 100mm2 x DDMP 10-08 3F 2210W M6A4 DG02 x Elta Variable Speed Drive IP66 - 1.5KW2 x EBM-Papst D4E225-BC01-17 Double inlet2 x AIRVENT speed control - AIR4019611 x Quietflow SQS100-1ECL - Centrifugal Box Fan3 x Duct Termination with Mesh - 355mm1 x Helios HQW-200/2 - IP553 x SAVE VSR 300 heat recovery unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7102 x AXC TP - 100mm Plastic Centrifugal Inline Fan2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm2 x Speed Controller - REB2.5-N1 x TUNE-R-200-3-M4 - Control Damper1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Helios RR-250-C Centrifugal inline fan3 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Speed Controller - REB31 x Single Deflection Grille 400mm with OBD damper1 x GXC6EC - High Performance Extract Fan1 x CBM 12-12 1100w 6P Three Phase1 x ENV 100 12v transformer SELV1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x WSD 100 (1060x1060x70)1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Transformer 5 Speed Controller - ATC1-8TK1 x Helios TSW 1.5 Amp Transformer 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 ...