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)
2 x ELM 25 EX Flexible Cuff for ERM 251 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 Airvent ceiling fan controller1 x EFSC-6N- Single Phase Speed Control1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board2 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x CONTROL ECOWATT - Basic1 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 ACO 149-ACO1/EDV1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x EC-Vent Room Unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x MTS10- extractor fan 3 step switch1 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC56/632 x ELM 20 EX Flexible Cuff for ERM 221 x Elta Wall Cowl SWC35/401 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC45/501 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC25/311 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Same Day Shipping Surcharge - City Sprint1 x Northern Ireland Pallet Surcharge1 x Manrose 150mm - XF150BP1 x 18M - 80mm PVC flexible ducting1 x Manrose T12 STANDARD Transformer- T12S1 x Manrose 150mm - XF150BHP1 x DPD 10:30AM Delivery Surcharge1 x Economy Airvent 100mm Fan with Timer/Humidistat/Pullcord1 x Control board kit Smarty 4X P 1.1 F2 Fan 230V2 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x HPA Heavy Duty Flexible Ducting - HPA300-FD51 x Economy Airvent 100mm Fan with Timer & Shutter1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x CTVT/4-400 High Temp Roof Fan - 51369260002 x HQS Bathroom Axial Flow Fan - 125mm1 x Manrose T12 TIMER Transformer- T12T1 x HIMF - Mixed Flow Fan 100mm Inline Fan2 x Fresh Air control carbon filter - 125mm1 x Capacitor 2uf for use with the EBM A4E range1 x Pallet Delivery Surcharge2 x DV-ROF-V-225 Roof mounted unit1 x Maico EN31- Wall Mounted Fan1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x AL 450 EC 03 AXIALINE - High Performance Long Cased Axial Fan1 x LF-ME04F071LC3AC1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x CAB-315 ECOWATT Energy Efficient Acoustic Box Fan1 x AL 400 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x CMT-2 180/75 0.75KW - Single inlet centrifugal fan with inlet and outlet flange connections - 200mm1 x Redelivery Charge1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x H14 Hepa Portable Air Purifier - PAP 350 CA H14 with Carbon Filter1 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x High Temperature Flexible Connector - 063-0630-PU2501 x Carriage for Scottish Highlands1 x Direct Delivery Surcharge - Pre 12:001 x Jetflow-HIT Metal inline - 125mm1 x HRB/6-451/20-BMVPN - Special Offer1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x CRBB/3-160/052M EC 1H0 MP - Radial Impeller - 160mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 560mm1 x AL 355 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x CAB-200 ECOWATT Energy Efficient Acoustic Box Fan1 x IRAB/4 315A N 230V50Hz 355/100 VE - In-Line Duct Fans - 51329333001 x 3-pin Plug and lead for TD Silent Ecowatt1 x Direct Delivery Surcharge1 x BD7/7 centrifugal M4 0.13Kw1 x Metal Inline Fan - VENT-315NK1 x BD9/9 centrifugal M4 0.35Kw1 x Jetflow-HIT Metal inline - 160mm1 x FUM Mounting Foot for ERM 251 x Roof Axial Cowl - RAW8001 x FU 15 40 Frequency Inverter1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Single Phase Transformer 2amps1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Electronic extractor fan speed controller - FSC 1.51 x EFSC-3N- Single Phase Speed Control1 x EC6H - Reversible Group Fan Electronic 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 2 Amp Electronic single phase speed controller.2 x Elta 6 Amp Electronic single phase speed controller with TK1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 12amps1 x ELTA - Single Phase Transformer 4amps2 x AIRVENT speed control - AIR4019611 x Elta 6 Amp Electronic single phase speed controller.1 x COM-31 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 10amps1 x TTC-2000 Three phase electric heater controller1 x TD Mixvent 1200/315 EEXEIIT31 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Economy Airvent 100mm Fan with Timer1 x Mini Diffuser - 100mm1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x Transformer speed controller - ATC1 - 1.5 Amps1 x DPD 12PM Delivery Surcharge1 x Manrose Window Extractor - WF150AP1 x DV-ROF-V-315 Roof mounted unit1 x Economy Airvent 150mm Fan1 x Ducting 90 Degree Bend - 710mm1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 22 25 Frequency Inverter1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x Frequency converter RUCK - FU 075 201 x FU 075 52 Frequency Inverter (IP20)1 x Helios VDS-7 Three Phase Transformer 5-Step1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Transformer 5 Speed Controller - ATC1-10TK1 x Elta Variable Speed Drive IP66 - 4.0KW1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FRQ5-10A Inverter Speed controller1 x Envirovent G4 Filter - SL-G4/F71 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Speed Controller - REB51 x Helios HQW-200/2 - IP551 x Transformer (silent) speed controller - RE 1.5 Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Transformer (silent) speed controller - RE 5.0 Amp1 x REB-CVF 0-10v Controller1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x MTP 10, 10K, Speed control1 x Contactor Interface Station - CI91 x PIR Sensor - PIR41 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Silentub - STUB 1001 x DS-2 2-Speed Switch (3 Phase)1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR
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