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 Transformer (silent) speed controller - RE 3.0 Amp1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Helios HQW-200/4 - IP552 x MV-B Dual Switch for use with Helios HQW plate fans,2 x Isolator Switch - ISOSW1 x 7 Day Programmable TIMECLOCK1 x Helios HQW-630/4 - IP553 x Speed Controller - REB102 x SG-200 Fan Guard for the HQW 2002 x REB-CVF 0-10v Controller1 x Elta Variable Speed Drive IP66 - 2.2KW2 x Transformer Speed Control - RTRE- 7.0Amp3 x Speed Controller - REB1-N1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)4 x MTP 10, 10K, Speed control2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x Helios HQW-315/4 - IP552 x MEV Spider Wireless boost Switch - MEV-SWH-W6 x Transformer Speed Control - RTRE- 1.5Amp2 x CBM 9-9 550w 4P VR (Open Motor)5 x PIR Sensor - PIR25 x Vent Axia Silent 100T (TIMER)2 x CBA-60 Inlet Flange for CBT-601 x Silent 100 Window Kit - windowS5 x QPTW 250C Acoustic Twin Fan with Controller1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC35/401 x Helios HQW-250/4 - IP554 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x TUNE-R-200-3-M1 - Control Damper2 x TD Mixvent 800/200 EEXEIIT31 x Elta Wall Cowl SWC25/314 x DDMP 12-12 3F 1810W M6A4 DG01 x Elta Wall Cowl SWC45/504 x PIR Sensor - PIR45 x Speed Controller - REB12 x UB47- Universal Insulated Terminal4 x Speed Controller - REB81 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm2 x TG-K Duct temperature sensor1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3003 x Elta 6 Amp Electronic single phase speed controller.1 x DEF-CBM-RE-7 - Protection Guard3 x Elta - Room Sensor - Temp/Humid/C022 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Elta Variable Speed Drive IP66 - 1.5KW2 x Compact SCD450/4-1AC2 x Mini Diffuser - 100mm1 x Speed Controller - REB2.5-N1 x GXC6EC - High Performance Extract Fan1 x VTR 300 STD Filter Kit2 x ENV 100 12v transformer SELV2 x DDMP 10-08 3F 2210W M6A4 DG02 x TUNE-R-200-3-M4 - Control Damper2 x Vent Axia ACM 125 inline mixed flow duct fan1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5954 x CBT-100N Centrifugal2 x Helios TSW 1.5 Amp Transformer speed controller1 x Helios TSW MCB Amp Transformer speed controller2 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 181 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x REE-2 Electronic Speed Controller3 x MTS10- extractor fan 3 step switch2 x FRQ5-10A Inverter Speed controller1 x EBM-Papst D4E225-BC01-17 Double inlet2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm3 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Duct Termination with Mesh - 355mm1 x Contactor Interface Station - CI91 x SAVE VSR 300 heat recovery unit2 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x Elta 3 Amp Electronic single phase speed controller with TK1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Vent Axia SC5001 - Speed controller2 x AIRVENT speed control - AIR4019611 x EBM-Papst D3G133-BF05-14 Double inlet2 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Electrostatic Precipitator - 1H x 3W1 x Speed controller with Reverse - REB-1R1 x Transformer 5 Speed Controller - ATC1-4TK
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Reviews
Duct Mounted Inline Filter - EU4
£ 44.99
Well made and robust, but it was not use for my application ...