Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 17 (of 17 products)
Backdraft Dampers - BDP
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
Backdraught Shutters 039-SFSV-63/71
£ 192.96
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
BDS 200/250 RA b/d shutter
BDS 200/250 RA b/d shutter
£ 59.07
BDS 200/250 RA b/d shutter...
BDS 300/315 RA b/d shutter
BDS 300/315 RA b/d shutter
£ 72.20
BDS 300/315 RA b/d shutter...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 90.13
BDS 350 RA b/d shutter...
BDS 400/450 RA b/d shutter
BDS 400/450 RA b/d shutter
£ 95.33
BDS 400/450 RA b/d shutter...
BDS 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 114.39
BDS 500/560 RA b/d shutter...
BDS 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 144.13
BDS 630/710 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 171.71
BDS 800 RA b/d shutter...
Flanged Damper 019-0250-STD
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
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
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...
Helios Condense Collector
Helios Condense Collector
£ 168.68
Helios Condense Collector...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
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
RSK355 - Back Draught Shutter
£ 82.95
Back Draught Shutter for duct installation Galvanized sheet steel housing Aluminium flaps ...
VKS 355-500 Automatic shutter
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)
1 x Airvent ceiling fan controller1 x Helios TSW 3 Amp Transformer speed controller1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x 7 Day Programmable TIMECLOCK1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Transformer Speed Control - RTRE- 1.5Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Elta Variable Speed Drive IP66 - 2.2KW2 x EBM-Papst D4E225-BC01-17 Double inlet1 x TD Mixvent 800/200 EEXEIIT33 x MTP 10, 10K, Speed control2 x PIR Sensor - PIR21 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR4 x Helios HQW-250/4 - IP551 x FRQ5-10A Inverter Speed controller2 x VTR 300 STD Filter Kit3 x Speed Controller - REB11 x Jet Cowl - 315mm3 x SAVE VSR 300 heat recovery unit3 x QPTW 250C Acoustic Twin Fan with Controller3 x Speed Controller - REB81 x TUNE-R-200-3-M1 - Control Damper1 x Vent Axia Silent 100T (TIMER)1 x Speed Controller - REB1-N1 x Silent 100 Window Kit - windowS1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x PIR Sensor - PIR41 x Contactor Interface Station - CI91 x CBT-100N Centrifugal2 x Silentub - STUB 1002 x EBM-Papst D3G133-BF05-14 Double inlet1 x DEF-CBM-RE-7 - Protection Guard1 x RDH FLEX-SQUARE - ADH/RDH 04503 x Elta 6 Amp Electronic single phase speed controller.2 x UB47- Universal Insulated Terminal2 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x TG-K Duct temperature sensor4 x DDMP 12-12 3F 1810W M6A4 DG01 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x TD160-NT Mixvent - 100mm - TD160 Timer2 x AIRVENT speed control - AIR4019611 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x TUNE-R-200-3-M4 - Control Damper1 x Potentiometer EGH 01 - for DDMP Fans1 x Elta - Room Sensor - Temp/Humid/C022 x Elta Variable Speed Drive IP66 - 1.5KW1 x Singleflow SSDL315-1EC1 x VEKA INT 2000/15.0-L1 EKO2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Compact SCD450/4-1AC1 x ACO8AC/EC AutoChangeover panel1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x CBA-100 Inlet Flange for CBT-1001 x Helios ZNE Electronic Fan Overrun Timer1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x HIMF - Mixed Flow Fan 100mm Inline Fan
Reviews
Vectaire Elegance Low Energy DMEV Fan Range
Vectaire Elegance Low Energy DMEV Fan Range
£ 131.69

I've had 2 of these fans for 4 years now, and they are great...