Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 13 (of 13 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...
VKS 355-500 Automatic shutter
£ 85.00
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 13 (of 13 products)
1 x Spiral end cap - 125mm1 x Spiral Ducting 3 Meters - 125mm1 x Duct Quick Suspension Rings with Clasp - 125mm1 x Spiral Rapid Lock Clamp - 125mm1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x DDMP 07/07 Mounting Flange1 x HQS Bathroom Axial Flow Fan - 125mm1 x B-flow Impeller HCBB/T-450mm1 x Male Ducting Connector - 300mm1 x CBS-130 Outlet Flange for CBT-1301 x Duct Suspension Rings - 125mm1 x B-flow Impeller HCBB/T-560mm1 x Economy Airvent 100mm Fan with Timer/Humidistat/Pullcord1 x CBA-80 Inlet Flange for CBT-801 x Male Ducting Connector - 125mm1 x Ducting T Piece Equal - 300mm1 x DV-ROF-V-225 Roof mounted unit1 x DDMP 09/07 Mounting Flange1 x Ducting T Piece Equal - 125mm1 x Ducting 15 Degree Bend - 125mm1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x Elta SLC800/4A - Fan & Inverter Package1 x FRQ-10A V2 Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Quietflow SQSDCV400-1ECL - Centrifugal Box Fan1 x Elta SCP315/4-1AC - IP551 x Elta Variable Speed Drive IP66 - 4.0KW1 x KVK SLIM 400 EC - Centrifugal Circular Duct Fan1 x Female Ducting Connector - 250mm1 x Flanged Spigot - 100mm1 x GB-WSG 630 External Weather Louvers for the Giga-Box Fans - 630mm1 x Anti Vibration Duct Suspension Rings - 100mm1 x Mini Diffuser - 100mm1 x Ducting 15 Degree Bend - 100mm1 x GB-WSG 355 External Weather Louvers for the Giga-Box Fans - 355mm1 x GB-WSD 355 Weather Protection hood for the Giga-Box Fans - 355mm
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