Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 16 (of 16 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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
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
£ 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 16 (of 16 products)
1 x Dektite Combo Pipe Flashing - DC210REC2 x Speed Controller - REB2.5-N1 x Ductwrap Insulation DW501 x Duct Humidistat - HS4_hdt1 x Ducting 90 Degree Bend - 560mm1 x FRQ5-4A V2 Inverter Speed Controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ-10A V2 Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FU 15 16 Frequency Inverter1 x Circular Ceiling Diffuser - TST 1251 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter RUCK - FU 075 201 x Elta 10 Amp Electronic single phase speed controller.1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x NKS-D swirl diffuser v-300 x 300mm1 x FU 15 40 Frequency Inverter1 x FU 22 25 Frequency Inverter1 x Round ceiling diffuser 400mm1 x FU 075 04 Frequency Inverter (IP20)1 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2001 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x PCA Diffuser - PCA-3151 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 10amps1 x Balance S Diffuser - NO RING - 100mm1 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1601 x Curved Blade Grille 600x600 (2way blow)1 x Balance S Diffuser - NO RING - 125mm1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Round ceiling diffuser 200mm1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 350mm1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 300mm1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x EC6H - Reversible Group Fan Electronic Controller1 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x Elta 6 Amp Electronic single phase speed controller.1 x COM-31 x Remote Timer Control - 13511 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 12amps1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x EFSC-6N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 10amps1 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Push Timer Switch - ZA41 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x Speed Controller - REB1-N1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Electro-Mechanical Control Panel1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EC-Vent Room Unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta ACO Panel 149-ACO18B1 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC56/631 x Elta Wall Cowl SWC35/401 x Speed Controller - REB161 x Elta Wall Cowl SWC45/501 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC25/311 x Elta Louvre Shutter - 400mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x300
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Reviews
Duct Mounted Inline Filter - EU4
£ 44.99
Well made and robust, but it was not use for my application ...