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)
2 x Vent Axia ACM 125 inline mixed flow duct fan1 x CS2 Current Switch3 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Isolator Switch - ISOSW1 x TG-K Duct temperature sensor1 x MWS 3 – Transformer Controller With Motor Protection1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x TTC-2000 Three phase electric heater controller2 x Helios HQW-200/2 - IP553 x Elta 6 Amp Electronic single phase speed controller with TK2 x BEAS-control module1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B4 x Systemair Save Connect 2.0 Internet Module4 x MWS 1.5 – Transformer Controller With Motor Protection2 x EC6H - Reversible Group Fan Electronic Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EC-Vent Room Unit3 x TG-K3/NTC10-01 - Duct temperature sensor3 x Multiflow SMB550/4-1AC1 x EM30-24 Control Panel Commissioning Service3 x Transformer 5 Speed Controller - ATC1-12TK1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection3 x Helios HQW-200/4 - IP552 x Helios HQW-630/4 - IP552 x Single phase speed controller by auto-transformer - RMB 3.5 Amp3 x Airvent ceiling fan controller2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS3 x WS - Reversing Switch from Helios Fans3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x Vent Axia T-Series Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT3 x Elta Variable Speed Drive IP66 - 0.75KW2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE6 x Transformer (silent) speed controller - RE 3.0 Amp3 x SG-200 Fan Guard for the HQW 2003 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Elta Variable Speed Drive IP66 - 2.2KW1 x REE-1 Electronic Speed Controller2 x TG-R room temperature sensor2 x MTP 10, 10K, Speed control1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp2 x Transformer (silent) speed controller - RE 1.5 Amp1 x Helios HQW-250/4 - IP551 x Speed Controller - REB53 x Electronic extractor fan speed controller - FSC 1.51 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x TUNE-R-200-3-M1 - Control Damper4 x QPTW 250C Acoustic Twin Fan with Controller2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Vent Axia Silent 100T (TIMER)2 x Remote Timer Control - 13511 x CBS-60 Outlet Flange for CSB/CBT-602 x Transformer Speed Control - RTRE- 12.0Amp3 x Speed Controller - REB102 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x RDH FLEX-SQUARE - ADH/RDH 04503 x PIR Sensor - PIR21 x PIR Sensor - PIR41 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x DDMP 10-08 3F 2210W M6A4 DG02 x CBA-60 Inlet Flange for CBT-603 x Helios HQW-315/4 - IP552 x Silent 100 Window Kit - windowS1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/502 x Speed Controller - REB11 x Transformer Speed Control - RTRE- 1.5Amp1 x Speed Controller - REB1-N2 x Elta - Room Sensor - Temp/Humid/C021 x ENV 100 12v transformer SELV1 x TUNE-R-200-3-M4 - Control Damper1 x DDMP 12-12 3F 5700W M6M0 DG71 x UB47- Universal Insulated Terminal1 x Speed Controller - REB81 x Jet Cowl - 315mm
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CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven
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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 ...