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 CS2 Current Switch2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x Speed Controller - REB1-N2 x Isolator Switch - ISOSW1 x DEF-CBM-RE-7 - Protection Guard1 x REB-CVF 0-10v Controller4 x MWS 3 – Transformer Controller With Motor Protection2 x MTP 10, 10K, Speed control1 x ACO8AC/EC AutoChangeover panel2 x ACOAS/ AC/EC Auto Changeover 8Amp2 x TUNE-R-200-3-M1 - Control Damper1 x Elta Variable Speed Drive IP66 - 2.2KW2 x Vent Axia Silent 100T (TIMER)1 x QPTW 250C Acoustic Twin Fan with Controller1 x FRQ5-10A Inverter Speed controller1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x EBM-Papst D4E225-BC01-17 Double inlet1 x Speed Controller - REB11 x Elta ACO Panel 149-ACO14E3 x Helios HQW-250/4 - IP553 x PIR Sensor - PIR21 x EC-Vent control board2 x VTR 300 STD Filter Kit1 x CONTROL ECOWATT - Basic3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x DDMP 12-12 3F 1810W M6A4 DG02 x Silent 100 Window Kit - windowS1 x EM30-24 Electro-Mechanical Control Panel1 x Transformer Speed Control - RTRE- 5.0Amp1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Helios TSW 7.5 Amp Transformer speed controller1 x Contactor Interface Station - CI92 x Elta 6 Amp Electronic single phase speed controller.1 x CBT-100N Centrifugal1 x GXC6EC - High Performance Extract Fan1 x ACO 149-ACO1/EDV1 x CMT/4-315/130-4KW - Single inlet centrifugal fan direct driven1 x Speed Controller - REB161 x Compact SCD450/4-1AC1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x EBM-Papst D3G133-BF05-14 Double inlet2 x PIR Sensor - PIR42 x UB47- Universal Insulated Terminal1 x Speed Controller - REB81 x ELM 18 EX Flexible Cuff for ERM 181 x TG-K Duct temperature sensor1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Speed Controller - REB2.5-N1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Electrostatic Precipitator - 1H x 3W2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x SAVE VSR 300 heat recovery unit1 x Elta ACO Panel 149-ACO18B1 x EC-Vent Room Unit1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Elta - Room Sensor - Temp/Humid/C022 x Systemair Save Connect 2.0 Internet Module2 x TG-K3/NTC10-01 - Duct temperature sensor1 x Elta Variable Speed Drive IP66 - 1.5KW1 x VEKA INT 2000/15.0-L1 EKO1 x TUNE-R-200-3-M4 - Control Damper1 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x ENV 100 12v transformer SELV1 x Elta Variable Speed Drive IP66 - 4.0KW1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x AIRVENT speed control - AIR4019611 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x EM30-24 Control Panel Commissioning Service1 x Helios HQW-200/2 - IP551 x Silentub - STUB 1001 x IR24-P - Presence detector2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x BEAS-control module1 x Elta Variable Speed Drive IP66 - 5.5KW1 x DDMP 07/07 Mounting Flange1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Comefri - TLZ 560 R - High Performance Scroll Fan1 x Silent 300 CZ Design PLUS Extractor Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-1AC - Single Phase1 x Round ceiling diffuser 400mm1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Multiflow SMB550/4-1AC1 x Singleflow SSDL315-1EC1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Duct Termination with Mesh - 355mm1 x Potentiometer EGH 01 - for DDMP Fans1 x Binks Bullows - Spray Booth Filter2 x Electronic extractor fan speed controller - FSC 1.51 x Silentub - STUB 2001 x Ancillary Pack for SLC-900 for SLC900/4A-3AC and SLC900/8-3AC1 x Transformer Speed Control - RTRE- 7.0Amp1 x Helios HQW-630/4 - IP551 x Helios TSW 3 Amp Transformer speed controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x WS - Reversing Switch from Helios Fans1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Mini Diffuser - 100mm1 x Helios HQW-200/4 - IP551 x SPI-100 C Iris damper1 x Vent Axia T-Series Wall Model TX6WL1 x Vent Axia T-Series Controller1 x KMBI 315 Connector rectangular/circular to install on the discharge of CMT1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x TUNE-R-200-3-M2 - Control Damper1 x Transformer (silent) speed controller - RE 3.0 Amp2 x DDMP 10-08 3F 2210W M6A4 DG01 x CBM Low Pressure Centrifugal Fan - CBM 7/7 6 Pole 72watt CVR1 x Round ceiling diffuser 200mm1 x Duct Termination with Mesh - 400mm1 x CBT-80N Centrifugal1 x Chaysol Da 15/11 CMAL - 2200W 6 Pole - Closed Motor - Three Phase1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Transformer Speed Control - RTRE- 1.5Amp1 x CSB-60 Centrifugal fan1 x EC6H - Reversible Group Fan Electronic Controller1 x VTR 500 STD Filter Kit1 x CO2 Room Sensor - CO2-R1 x Helios VARW 450/4 - TK1 x Airvent ceiling fan controller1 x REE-1 Electronic Speed Controller1 x Elta SPA500/4-1AC - IP541 x CBS-130 Outlet Flange for CBT-1301 x Remote Timer Control - 13511 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Round ceiling diffuser 250mm1 x FU 15 16 Frequency Inverter1 x Control with reverse - CR3001 x Easy-fix termination kit - High Rise Ventilator - EFT1 x TD ECOWATT 800/200 Inline Duct Fan - TD-ECOWATT1 x Elta SCP500/4-3AC - IP551 x Elta Wall Cowl SWC56/631 x Flakt Woods ME 1.1 speed controller 1amp - EA9011571 x DDMP 10-10 1F 1000W M6A2 DA51 x DDMP 12-12 1F 1800W M6A4 DA81 x Backdraught Shutters 039-SFSV-63/711 x TG-R room temperature sensor1 x Capacitor 2uf for use with the EBM A4E range1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x Elta Standard Ambient Flexible Connector - 560mm1 x VKS 355-500 Automatic shutter1 x Speed controller with Reverse - REB-1R1 x Helios ZNE Electronic Fan Overrun Timer1 x CMT-2 180/75 0.75KW - Single inlet centrifugal fan with inlet and outlet flange connections - 200mm1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x Elta Variable Speed Drive IP66 - 0.75KW1 x KAD-225-F400 Rectangle Flexible Connector1 x 125mm Round Connector with Damper1 x Duct Termination with Mesh - 450mm1 x Transformer 5 Speed Controller - ATC1-4TK1 x Two Speed Switch - REGUL-21 x Flakt Woods ME 1.3 speed controller 3amp - EA9011581 x EMI 150L E2M - Acoustic Inline Mixvent Fan1 x Vortice Quadro Micro 100 IT HCS - Humidistat/Timer Version1 x Speed Controller - REB10
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Vectaire Elegance Low Energy DMEV Fan Range
£ 131.69
I've had 2 of these fans for 4 years now, and they are great...