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 Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Helios HQW-630/4 - IP552 x Helios HQW-200/4 - IP551 x Helios TSW MCB Amp Transformer speed controller2 x CBS-60 Outlet Flange for CSB/CBT-601 x Remote Timer Control - 13511 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Transformer Speed Control - RTRE- 7.0Amp1 x REE-2 Electronic Speed Controller1 x Speed Controller - REB53 x Speed Controller - REB1-N1 x Speed Controller - REB101 x TUNE-R-200-3-M1 - Control Damper1 x Elta Variable Speed Drive IP66 - 2.2KW2 x SG-200 Fan Guard for the HQW 2001 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)3 x Vent Axia Silent 100T (TIMER)1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Multiflow SMB550/4-1AC3 x Transformer Speed Control - RTRE- 1.5Amp4 x PIR Sensor - PIR22 x Helios HQW-315/4 - IP553 x Helios HQW-250/4 - IP551 x MTP 10, 10K, Speed control2 x MTS10- extractor fan 3 step switch3 x QPTW 250C Acoustic Twin Fan with Controller2 x CBA-60 Inlet Flange for CBT-602 x DDMP 12-12 3F 1810W M6A4 DG02 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x GRA-100 External Grill by S&P1 x TD Mixvent 800/200 EEXEIIT31 x Elta Louvre Shutter - 400mm1 x MEV Spider Wireless boost Switch - MEV-SWH-W3 x UB47- Universal Insulated Terminal3 x Speed Controller - REB11 x Elta Wall Cowl SWC35/403 x PIR Sensor - PIR41 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC45/502 x Elta 6 Amp Electronic single phase speed controller.1 x Speed Controller - REB81 x DEF-CBM-RE-7 - Protection Guard2 x Elta - Room Sensor - Temp/Humid/C021 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x ENV 100 12v transformer SELV1 x EBM-Papst D4E225-BC01-17 Double inlet2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Speed Controller - REB2.5-N1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x DDMP 10-08 3F 2210W M6A4 DG01 x TUNE-R-200-3-M4 - Control Damper1 x TG-K Duct temperature sensor1 x RDS 7 Helios Transformer Controller With Motor Protection2 x Mini Diffuser - 100mm1 x GXC6EC - High Performance Extract Fan2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x VTR 300 STD Filter Kit1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Contactor Interface Station - CI91 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x CBT-100N Centrifugal1 x AIRVENT speed control - AIR4019611 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x EC Trickle and boost module - IP562 x FRQ5-10A Inverter Speed controller2 x Compact SCD450/4-1AC1 x Duct Termination with Mesh - 355mm1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x TG-K Duct temperature sensor1 x Single Deflection Grille 400mm with OBD damper1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x SAVE VSR 300 heat recovery unit2 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia SC5001 - Speed controller
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