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 Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FRQ-10A V2 Inverter Speed controller1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ5-4A V2 Inverter Speed Controller1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 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 ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x Elta 10 Amp Electronic single phase speed controller.1 x FU 075 04 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1251 x Balance S Diffuser - NO RING - 125mm2 x Electronic extractor fan speed controller - FSC 1.51 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3151 x Elta 2 Amp Electronic single phase speed controller.2 x Elta 3 Amp Electronic single phase speed controller with TK1 x Circular Ceiling Diffuser - TST 2001 x Curved Blade Grille 600x600 (2way blow)1 x JSR 200 Painted RAL50181 x Airvent ceiling fan controller1 x Round ceiling diffuser 400mm1 x Circular Ceiling Diffuser - TST 1601 x Elta 3 Amp Electronic single phase speed controller.1 x EFSC-3N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 12amps1 x COM-31 x Balance S Diffuser - NO RING - 100mm1 x ELTA - Single Phase Transformer 4amps1 x Round ceiling diffuser 300mm1 x EFSC-6N- Single Phase Speed Control1 x PCA Diffuser - PCA-2501 x Helios TSW MCB Amp Transformer speed controller1 x Round ceiling diffuser 350mm1 x ELTA - Single Phase Transformer 10amps2 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A2 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EC-Vent Room Unit1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Control Panel Commissioning Service1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Jet Cowl - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-12TK1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-4TK1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Isolator Switch - ISOSW1 x TG-K Duct temperature sensor1 x BEAS-control module1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Helios HQW-630/4 - IP551 x Vent Axia T-Series Controller1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Speed Controller - REB51 x REB-CVF 0-10v Controller1 x MTP 10, 10K, Speed control1 x Speed Controller - REB1-N1 x PIR Sensor - PIR21 x QPTW 250C Acoustic Twin Fan with Controller1 x PIR Sensor - PIR41 x UB47- Universal Insulated Terminal1 x Speed Controller - REB1
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Reviews
Duct Mounted Inline Filter - EU4
£ 44.99
Well made and robust, but it was not use for my application ...