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 Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Helios HQW-315/4 - IP551 x CBM 12-12 1100w 6P Three Phase3 x Speed Controller - REB1-N3 x Transformer Speed Control - RTRE- 1.5Amp1 x CBM 9-9 550w 4P VR (Open Motor)1 x Duct Termination with Mesh - 355mm1 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x MWS 1.5 – Transformer Controller With Motor Protection1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x GRA-100 External Grill by S&P1 x MTP 10, 10K, Speed control1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Elta Wall Cowl SWC35/401 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x CBA-100 Inlet Flange for CBT-1001 x Helios RR-250-C Centrifugal inline fan1 x Singleflow SSDL315-1EC1 x WS - Reversing Switch from Helios Fans1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x DDMP 12-12 3F 1810W M6A4 DG02 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x CBA-60 Inlet Flange for CBT-603 x Vent Axia Silent 100T (TIMER)1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x Elta Louvre Shutter - 400mm3 x QPTW 250C Acoustic Twin Fan with Controller1 x DS-2 2-Speed Switch (3 Phase)1 x TD Mixvent 800/200 EEXEIIT31 x Elta Wall Cowl SWC45/501 x CSB-60 Centrifugal fan1 x DA9/9-NT1 x CO2 Room Sensor - CO2-R1 x Round ceiling diffuser 200mm1 x Elta Wall Cowl SWC25/312 x Helios HQW-250/4 - IP551 x Silent 100 Window Kit - windowS1 x MTS10- extractor fan 3 step switch4 x PIR Sensor - PIR21 x Potentiometer EGH 01 - for DDMP Fans1 x Helios HQW-200/4 - IP551 x Speed Controller - REB81 x CBT-80N Centrifugal1 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)1 x Round ceiling diffuser 250mm1 x Comefri - TLZ 560 R - High Performance Scroll Fan1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x CK-60F Kit1 x EBM-Papst D4E225-BC01-17 Double inlet2 x Speed Controller - REB11 x Helios ESA-1 Surface mounted Speed Control 1amp1 x ENV 100 12v transformer SELV1 x Helios ZNE Electronic Fan Overrun Timer1 x UB47- Universal Insulated Terminal1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x SPI-100 C Iris damper1 x SD-MUB Vibration pad set1 x Duct Termination with Mesh - 100mm
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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 ...