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)
3 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Multiflow SMB550/4-1AC2 x TG-R room temperature sensor1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Transformer Speed Control - RTRE- 12.0Amp1 x Vent Axia T-Series Controller1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Speed Controller - REB52 x Elta Variable Speed Drive IP66 - 2.2KW3 x SG-200 Fan Guard for the HQW 2003 x REB-CVF 0-10v Controller1 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Isolator Switch - EFF-ISO2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Elta Wall Cowl SWC56/633 x Speed Controller - REB101 x KKS 100 silencer-section - For use with the MUB 100 size Fans.4 x MTP 10, 10K, Speed control3 x Speed Controller - REB1-N1 x GRA-100 External Grill by S&P2 x Silent 100 Window Kit - windowS1 x Elta Louvre Shutter - 400mm5 x Helios HQW-315/4 - IP552 x TUNE-R-200-3-M1 - Control Damper1 x Elta Wall Cowl SWC35/402 x PIR Sensor - PIR21 x Elta Wall Cowl SWC25/313 x Transformer Speed Control - RTRE- 7.0Amp1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)4 x QPTW 250C Acoustic Twin Fan with Controller1 x Elta Wall Cowl SWC45/503 x Helios HQW-250/4 - IP551 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Vent Axia Silent 100T (TIMER)2 x RDH FLEX-SQUARE - ADH/RDH 04502 x EBM-Papst D4E225-BC01-17 Double inlet1 x TD Mixvent 800/200 EEXEIIT32 x Transformer 5 Speed Controller - ATC1-2TK1 x Helios HQW-630/4 - IP551 x Transformer (silent) speed controller - RE 5.0 Amp4 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x Transformer Speed Control - RTRE- 1.5Amp1 x Transformer 5 Speed Controller - ATC1-4TK2 x RDS 11 Helios Transformer Controller With Motor Protection3 x PIR Sensor - PIR43 x UB47- Universal Insulated Terminal2 x Transformer speed controller - ATC1 - 1.5 Amps1 x Elta 10 Amp Electronic single phase speed controller.1 x ELM 18 EX Flexible Cuff for ERM 182 x Elta 6 Amp Electronic single phase speed controller.1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x DDMP 12-12 3F 1810W M6A4 DG02 x MTS10- extractor fan 3 step switch1 x Compact SCD450/4-1AC1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Speed Controller - REB11 x AIRVENT speed control - AIR4019611 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x FRQ5-10A Inverter Speed controller1 x CBA-60 Inlet Flange for CBT-601 x DDMP 10-08 3F 2210W M6A4 DG01 x ACO8AC/EC AutoChangeover panel1 x Elta Variable Speed Drive IP66 - 1.5KW1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x VTR 300 STD Filter Kit1 x Quietflow SQS100-1ECL - Centrifugal Box 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 ...