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)
4 x Transformer Speed Control - RTRE- 7.0Amp1 x Speed Controller - REB101 x SG-200 Fan Guard for the HQW 2004 x PIR Sensor - PIR23 x Vent Axia Silent 100T (TIMER)1 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x MTP 10, 10K, Speed control2 x TD Mixvent 800/200 EEXEIIT33 x UB47- Universal Insulated Terminal1 x Elta Wall Cowl SWC35/401 x TUNE-R-200-3-M1 - Control Damper1 x Speed Controller - REB1-N5 x Transformer Speed Control - RTRE- 1.5Amp2 x Helios HQW-315/4 - IP551 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)4 x Speed Controller - REB84 x QPTW 250C Acoustic Twin Fan with Controller4 x PIR Sensor - PIR41 x CBM 9-9 550w 4P VR (Open Motor)3 x Helios HQW-250/4 - IP552 x MTS10- extractor fan 3 step switch2 x CBA-60 Inlet Flange for CBT-604 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR4 x Speed Controller - REB12 x Elta - Room Sensor - Temp/Humid/C021 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x DDMP 10-08 3F 2210W M6A4 DG01 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Jet Cowl - 315mm2 x DDMP 12-12 3F 1810W M6A4 DG01 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7102 x Mini Diffuser - 100mm3 x Elta 6 Amp Electronic single phase speed controller.3 x Compact SCD450/4-1AC2 x EBM-Papst D4E225-BC01-17 Double inlet1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5952 x LFBR 315 G4 - Helios Inline Filter Box - 315mm2 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Single Deflection Grille 400mm with OBD damper2 x TUNE-R-200-3-M4 - Control Damper1 x AIRVENT speed control - AIR4019612 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Quietflow SQS100-1ECL - Centrifugal Box Fan4 x CBT-100N Centrifugal2 x Speed Controller - REB2.5-N1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan2 x REE-2 Electronic Speed Controller1 x ELM 18 EX Flexible Cuff for ERM 181 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Helios RR-250-C Centrifugal inline fan1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven2 x Duct Termination with Mesh - 355mm1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x GXC6EC - High Performance Extract Fan1 x Duct Termination with Mesh - 100mm1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Speed controller with Reverse - REB-1R1 x Electrostatic Precipitator - 1H x 3W1 x Duct Termination with Mesh - 450mm1 x CSB-60 Centrifugal fan3 x ACO8AC/EC AutoChangeover panel3 x Silent 100 Window Kit - windowS3 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x SPI-100 C Iris damper1 x RD35S-4DW.6W.3L - 122297 (Three Phase)2 x Flat Roof Terminal -OFT 5 - Asphalt1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Silentub - STUB 1001 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Transformer 5 Speed Controller - ATC1-4TK1 x Helios TSW 1.5 Amp Transformer speed controller1 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x ENV 100 12v transformer SELV1 x DEF-CBM-RE-7 - Protection Guard1 x Helios TSW 3 Amp Transformer speed controller1 x RDS 1 Helios Transformer Controller With Motor Protection1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan
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 ...