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 Elta Variable Speed Drive IP66 - 0.75KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ELTA - Three Phase Transformer 10amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Circular Ceiling Diffuser - TST 1251 x FU 075 52 Frequency Inverter (IP20)1 x Helios VDS-7 Three Phase Transformer 5-Step1 x FU 15 40 Frequency Inverter1 x FU 22 25 Frequency Inverter1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Round ceiling diffuser 350mm1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 200mm1 x Balance S Diffuser - NO RING - 100mm1 x Versio Square Ceiling Diffusers - RS141 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Round ceiling diffuser 400mm1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FRQ5-10A Inverter Speed controller1 x FU 22 04 Frequency Inverter1 x Speed Controller - REB101 x TTC-2000 Three phase electric heater controller1 x Elta 10 Amp Electronic single phase speed controller.1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x ACO8AC/EC AutoChangeover panel1 x EC-Vent Room Unit1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC35/401 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Elta Louvre Shutter - 400mm1 x Elta - Room Sensor - Temp/Humid/C021 x Elta Wall Cowl SWC25/311 x GRA-100 External Grill by S&P1 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x300
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Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...