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 TG-R room temperature sensor2 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Electronic extractor fan speed controller - FSC 1.51 x Elta Variable Speed Drive IP66 - 0.75KW1 x REE-1 Electronic Speed Controller1 x Transformer (silent) speed controller - RE 3.0 Amp1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x Quietflow SQS400-1ECL - Centrifugal Box Fan4 x SG-200 Fan Guard for the HQW 2002 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Isolator Switch - EFF-ISO1 x Speed Controller - REB103 x Elta Variable Speed Drive IP66 - 2.2KW1 x Transformer Speed Control - RTRE- 12.0Amp2 x REB-CVF 0-10v Controller2 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x TUNE-R-200-3-M1 - Control Damper4 x MTP 10, 10K, Speed control1 x Transformer Speed Control - RTRE- 7.0Amp4 x Helios HQW-315/4 - IP551 x Elta Wall Cowl SWC56/634 x Vent Axia Silent 100T (TIMER)2 x Silent 100 Window Kit - windowS2 x TD Mixvent 800/200 EEXEIIT32 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x GRA-100 External Grill by S&P1 x Vent Axia ACM 200 inline mixed flow duct fan2 x RDH FLEX-SQUARE - ADH/RDH 04502 x EBM-Papst D4E225-BC01-17 Double inlet4 x Helios HQW-250/4 - IP552 x CBA-60 Inlet Flange for CBT-601 x Transformer 5 Speed Controller - ATC1-2TK1 x Elta Louvre Shutter - 400mm4 x PIR Sensor - PIR22 x Transformer (silent) speed controller - RE 5.0 Amp1 x Transformer 5 Speed Controller - ATC1-4TK1 x Two Speed Switch - REGUL-21 x ELM 18 EX Flexible Cuff for ERM 181 x CBM 9-9 550w 4P VR (Open Motor)1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x QPTW 250C Acoustic Twin Fan with Controller1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Elta Wall Cowl SWC25/311 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Elta Wall Cowl SWC35/403 x Transformer Speed Control - RTRE- 1.5Amp1 x Elta 6 Amp Electronic single phase speed controller.2 x ENV 100 12v transformer SELV1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Compact SCD450/4-1AC1 x MTS10- extractor fan 3 step switch1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Elta Wall Cowl SWC45/502 x PIR Sensor - PIR41 x UB47- Universal Insulated Terminal1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x FRQ5-10A Inverter Speed controller1 x DDMP 10-08 3F 2210W M6A4 DG01 x Helios RR-250-C Centrifugal inline fan
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Vectaire Elegance Low Energy DMEV Fan Range
£ 131.69
I've had 2 of these fans for 4 years now, and they are great...