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)
2 x Transformer (silent) speed controller - RE 3.0 Amp1 x Transformer (silent) speed controller - RE 1.5 Amp3 x Transformer Speed Control - RTRE- 7.0Amp3 x Speed Controller - REB102 x Helios PU10 Speed Potentiometer (Flush Mounted)3 x Elta Variable Speed Drive IP66 - 0.75KW2 x Helios HQW-315/4 - IP551 x Remote Timer Control - 13515 x Airvent ceiling fan controller2 x Multiflow SMB550/4-1AC2 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x CBA-60 Inlet Flange for CBT-601 x TG-K3/NTC10-01 - Duct temperature sensor1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x SG-200 Fan Guard for the HQW 2001 x CBM 9-9 550w 4P VR (Open Motor)2 x Transformer Speed Control - RTRE- 12.0Amp1 x EC6H - Reversible Group Fan Electronic Controller3 x Transformer Speed Control - RTRE- 1.5Amp1 x REE-1 Electronic Speed Controller3 x REB-CVF 0-10v Controller2 x Elta Variable Speed Drive IP66 - 2.2KW2 x MTS10- extractor fan 3 step switch4 x MTP 10, 10K, Speed control1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x Speed Controller - REB1-N2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x TD Mixvent 800/200 EEXEIIT31 x Vent Axia T-Series Controller2 x TUNE-R-200-3-M1 - Control Damper1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS3 x QPTW 250C Acoustic Twin Fan with Controller1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Helios HQW-250/4 - IP551 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR2 x PIR Sensor - PIR21 x Silent 100 Window Kit - windowS2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan2 x REE-2 Electronic Speed Controller2 x RDH FLEX-SQUARE - ADH/RDH 04501 x Speed Controller - REB11 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x DEF-CBM-RE-7 - Protection Guard2 x DDMP 12-12 3F 1810W M6A4 DG01 x Speed Controller - REB52 x Elta 10 Amp Electronic single phase speed controller.2 x EBM-Papst D4E225-BC01-17 Double inlet1 x Vent Axia ACM 200 inline mixed flow duct fan1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Helios TSW 1.5 Amp Transformer speed controller1 x Transformer (silent) speed controller - RE 5.0 Amp1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x EBM-Papst D3G133-BF05-14 Double inlet3 x Vent Axia Silent 100T (TIMER)1 x VTR 300 STD Filter Kit1 x Vent Axia SC5001 - Speed controller1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Transformer 5 Speed Controller - ATC1-2TK1 x UB47- Universal Insulated Terminal2 x Elta 6 Amp Electronic single phase speed controller.1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Helios TSW 7.5 Amp Transformer speed controller1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x GXC6EC - High Performance Extract Fan1 x PIR Sensor - PIR41 x TG-K Duct temperature sensor1 x Remote controller FLEX - for VEKO INT1 x Speed Controller - REB82 x Elta - Room Sensor - Temp/Humid/C021 x CBT-100N Centrifugal1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x 7 Day Programmable TIMECLOCK1 x Transformer Speed Control - RTRE- 5.0Amp1 x ENV 100 12v transformer SELV1 x Contactor Interface Station - CI91 x Elta Variable Speed Drive IP66 - 1.5KW
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 44.99

Well made and robust, but it was not use for my application ...