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)
1 x Helios HQW-630/4 - IP551 x 7 Day Programmable TIMECLOCK4 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Remote Timer Control - 13513 x REB-CVF 0-10v Controller1 x Helios HQW-200/4 - IP551 x CBA-60 Inlet Flange for CBT-602 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x RDH FLEX-SQUARE - ADH/RDH 04501 x Transformer Speed Control - RTRE- 12.0Amp1 x Transformer (silent) speed controller - RE 5.0 Amp2 x Speed Controller - REB103 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Isolator Switch - EFF-ISO1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x Transformer Speed Control - RTRE- 7.0Amp1 x TD Mixvent 800/200 EEXEIIT34 x QPTW 250C Acoustic Twin Fan with Controller1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Speed Controller - REB53 x SG-200 Fan Guard for the HQW 2004 x Helios HQW-315/4 - IP553 x Helios HQW-250/4 - IP551 x Elta Variable Speed Drive IP66 - 2.2KW2 x Silent 100 Window Kit - windowS6 x Speed Controller - REB11 x Transformer (silent) speed controller - RE 1.5 Amp1 x GRA-100 External Grill by S&P4 x MTP 10, 10K, Speed control1 x FRQ5-10A Inverter Speed controller2 x Speed Controller - REB1-N3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Elta Wall Cowl SWC35/401 x Elta Louvre Shutter - 400mm2 x VTR 300 STD Filter Kit5 x Vent Axia Silent 100T (TIMER)1 x Elta Wall Cowl SWC45/503 x UB47- Universal Insulated Terminal1 x Elta Wall Cowl SWC25/318 x Transformer Speed Control - RTRE- 1.5Amp1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR4 x PIR Sensor - PIR42 x EBM-Papst D4E225-BC01-17 Double inlet2 x Elta 6 Amp Electronic single phase speed controller.2 x Speed Controller - REB84 x PIR Sensor - PIR21 x GXC6EC - High Performance Extract Fan3 x CBT-100N Centrifugal1 x Speed Controller - REB2.5-N1 x Quietflow SQS100-1ECL - Centrifugal Box Fan3 x Elta - Room Sensor - Temp/Humid/C021 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Contactor Interface Station - CI92 x Elta Variable Speed Drive IP66 - 1.5KW1 x Jet Cowl - 315mm2 x SAVE VSR 300 heat recovery unit1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3003 x DDMP 10-08 3F 2210W M6A4 DG01 x AIRVENT speed control - AIR4019611 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x Mini Diffuser - 100mm1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x TG-K Duct temperature sensor1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Isolator Switch - ISOSW1 x Silentub - STUB 1001 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Vent Axia SC5001 - Speed controller1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Elta 10 Amp Electronic single phase speed controller.1 x ELM 18 EX Flexible Cuff for ERM 181 x Airvent ceiling fan controller1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x DDMP 12-12 3F 1810W M6A4 DG01 x EBM-Papst D3G133-BF05-14 Double inlet1 x Duct Termination with Mesh - 355mm1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer Speed Control - RTRE- 5.0Amp1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm2 x Compact SCD450/4-1AC1 x VEKA INT 2000/15.0-L1 EKO1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x TD160-NT Mixvent - 100mm - TD160 Timer2 x Transformer speed controller - ATC1 - 1.5 Amps1 x Vent Axia T-Series Controller1 x Electrostatic Precipitator - 1H x 3W1 x ACO8AC/EC AutoChangeover panel1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Elta 3 Amp Electronic single phase speed controller with TK1 x REE-2 Electronic Speed Controller1 x Speed Controller - REB161 x DS-2 2-Speed Switch (3 Phase)1 x CBA-100 Inlet Flange for CBT-1001 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Helios TSW 1.5 Amp Transformer speed controller
Best sellers
Reviews
Duct Mounted Inline Filter - EU4
£ 44.99
Well made and robust, but it was not use for my application ...