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 Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps1 x EC6H - Reversible Group Fan Electronic Controller2 x Electronic extractor fan speed controller - FSC 1.51 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps2 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x EFSC-3N- Single Phase Speed Control1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 4amps1 x ELTA - Single Phase Transformer 12amps1 x Airvent ceiling fan controller1 x Elta 6 Amp Electronic single phase speed controller.1 x EFSC-6N- Single Phase Speed Control1 x COM-31 x ELTA - Single Phase Transformer 10amps1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1001 x Balance S Diffuser - NO RING - 125mm1 x Curved Blade Grille 600x600 (2way blow)1 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 1601 x Balance S Diffuser - NO RING - 100mm1 x Versio Square Ceiling Diffusers - RS141 x Round ceiling diffuser 200mm1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 250mm1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 350mm2 x Remote controller FLEX - for VEKO INT1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans3 x Transformer 5 Speed Controller - ATC1-10TK3 x Transformer 5 Speed Controller - ATC1-4TK3 x Helios TSW 3 Amp Transformer speed controller3 x Transformer 5 Speed Controller - ATC1-8TK1 x Vent Axia ACM 125 inline mixed flow duct fan1 x MWS 3 – Transformer Controller With Motor Protection2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x CS2 Current Switch1 x Temperature Fan Speed Controller - ATCP4-WMS2 x Helios TSW 0.3Amp Compact Transformer speed controller1 x Helios TSW 7.5 Amp Transformer speed controller1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Helios TSW MCB Amp Transformer speed controller1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Helios TSW 1.5 Amp Transformer speed controller
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Reviews
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...