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 Belt Drive Cased Axial Fan - 630mm - L version1 x Compact SCD630/4-3AC1 x Duct Quick Suspension Rings with Clasp - 150mm1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x Elta Prema LCD Display1 x Duct Mounted Filter Box - G4 Grade Panel - 355mm1 x Duct Mounted Filter Box - MINICELL F7 Grade Panel Filter 300mm Spigot1 x Duct Mounted Filter Box - G4 Grade Panel - 450mm1 x Ducting 90 Degree Bend - 355mm1 x Spiral Duct Grille Termination - 355mm1 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x Elta Unpodded Silencer Melinex 1D-560mm1 x Ducting 45 Degree Bend - 355mm1 x Circular Inline Silencers - 600mm - 600mm1 x Spiral Ducting 1 meter - 355mm1 x Elta Unpodded Silencer Melinex 2D-450mm1 x Control switch - CR1501 x Flanged Spigot - 150mm1 x DS-2 2-Speed Switch (3 Phase)1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Elta Unpodded Silencer Melinex 2D-560mm1 x Duct Mounted Filter Box - G4 Grade Panel - 125mm1 x Elta Unpodded Silencer Melinex 1D-450mm1 x Duct Mounted Filter Box - G4 Grade Panel - 250mm1 x Duct Mounted Filter Box - G4 Grade Panel - 400mm1 x Duct Mounted Filter Box - G4 Grade Panel - 315mm1 x Belt Drive Cased Axial Fan - 800mm - L version1 x Soler & Palau TCBB/4-630/L - IP651 x ZAC- 630 -4-31 x Contra Rotating TCBBx2-630 Cased Axial - Single Phase - IP65 - Soler & Palau1 x Raptor SDA630/6-1AC1 x OZEO ECOWATT 2 Wireless Low Energy Whole House Extract Ventilation Unit1 x Positive Input Ventilation System - Wall Mounted Unit c/w Heater1 x MEV 160 & 300 FT (FastTrack) Additional Spigots1 x Soler & Palau - Contra Rotating TCBTx2-630 - IP65
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