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
£ 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 14 (of 14 products)
2 x Spiral Rapid Lock Clamp - 125mm1 x Spiral Ducting 1 meter - 125mm1 x Spigot plate - 125mm1 x Duct Termination with Mesh - 125mm1 x Spiral Ducting 3 Meters - 125mm1 x Ducting 15 Degree Bend - 150mm1 x 125mm Wall Duct - 350mm1 x Spiral Ducting 1 meter - 400mm1 x Duct Quick Suspension Rings with Clasp - 150mm1 x Spigot plate - 150mm1 x 150mm - 100mm Round Reducer1 x Ducted Outlet Option for H14 - HAP5001 x Ducting T Piece Equal - 125mm1 x Spiral Duct Grille Termination - 125mm1 x Duct Fast Clamps - 125mm1 x FK 125 Fast Clamp1 x Ducting 15 Degree Bend - 125mm1 x Duct Suspension Rings - 125mm1 x Ducting Y Piece - 125mm1 x Ducting 90 Degree Bend - 125mm1 x Flanged Spigot - 125mm1 x Ducting 45 Degree Bend - 125mm1 x Belt Drive Cased Axial Fan - 800mm - L version1 x Ancillary Pack for SDA350/4-1EC1 x Duct Termination with Mesh - 150mm1 x CBMT/Q 400-55 1 HEATER KIT1 x Female Ducting Connector - 150mm1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x Elta Skyflow SSRL710-1EC1 x Helios GigaBox 630mm GBD 630/4/4 centrifugal1 x EM 200-E2M 01- Etamaster-2001 x EM 250-E2M 01- Etamaster-2501 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x PIR Sensor - PIR41 x Transformer Speed Control - RTRE- 5.0Amp1 x Male Ducting Connector - 250mm1 x Helios PA10 Speed Potentiometer1 x Male Ducting Connector - 100mm1 x GB-WSG 630 External Weather Louvers for the Giga-Box Fans - 630mm1 x *TD EVO-125 - Environmentally Friendly Inline Fan*1 x *NEW* TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x VKS 355-500 Automatic shutter1 x Transformer Speed Control - RTRE- 7.0Amp1 x Backdraught Shutters 039-SFSV-63/711 x MTS10- extractor fan 3 step switch1 x *TD EVO-250 - Environmentally Friendly Inline Fan*
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Transformer (silent) speed controller - RE 1.5 Amp
£ 125.99
Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...