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 DDMP 12-12 3F 1810W M6A4 DG02 x Speed Controller - REB101 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x Transformer (silent) speed controller - RE 3.0 Amp2 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Electronic extractor fan speed controller - FSC 1.54 x SG-200 Fan Guard for the HQW 2001 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Isolator Switch - EFF-ISO1 x MEV Spider Wireless boost Switch - MEV-SWH-W3 x REB-CVF 0-10v Controller1 x TG-R room temperature sensor1 x Quietflow SQS400-1ECL - Centrifugal Box Fan4 x Helios HQW-250/4 - IP552 x TD Mixvent 800/200 EEXEIIT31 x Vent Axia T-Series Controller2 x Transformer Speed Control - RTRE- 7.0Amp4 x UB47- Universal Insulated Terminal6 x QPTW 250C Acoustic Twin Fan with Controller5 x MTP 10, 10K, Speed control3 x Speed Controller - REB1-N3 x PIR Sensor - PIR42 x MTS10- extractor fan 3 step switch1 x Helios PU10 Speed Potentiometer (Flush Mounted)3 x Transformer Speed Control - RTRE- 1.5Amp2 x CBA-60 Inlet Flange for CBT-602 x Transformer Speed Control - RTRE- 12.0Amp2 x Speed Controller - REB82 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x DDMP 10-08 3F 2210W M6A4 DG03 x Speed Controller - REB11 x TUNE-R-200-3-M1 - Control Damper1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x TG-K Duct temperature sensor3 x Elta - Room Sensor - Temp/Humid/C025 x Vent Axia Silent 100T (TIMER)3 x PIR Sensor - PIR22 x Elta Variable Speed Drive IP66 - 1.5KW2 x Helios HQW-315/4 - IP554 x Elta 6 Amp Electronic single phase speed controller.2 x Mini Diffuser - 100mm1 x CBM 9-9 550w 4P VR (Open Motor)2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Duct Termination with Mesh - 355mm1 x Speed Controller - REB2.5-N1 x VTR 300 STD Filter Kit1 x TUNE-R-200-3-M4 - Control Damper2 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Speed controller with Reverse - REB-1R2 x Transformer speed controller - ATC1 - 1.5 Amps1 x FRQ5-10A Inverter Speed controller2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-4TK1 x AXC TP - 100mm Plastic Centrifugal Inline Fan2 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x ENV 100 12v transformer SELV1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Elta Variable Speed Drive IP66 - 2.2KW2 x RDS 11 Helios Transformer Controller With Motor Protection1 x Two Speed Switch - REGUL-21 x CK-60F Kit2 x Duct Termination with Mesh - 450mm1 x Elta 10 Amp Electronic single phase speed controller.1 x Flat Roof Terminal -OFT 5 - Asphalt1 x GXC6EC - High Performance Extract Fan1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x SPI-100 C Iris damper1 x Compact SCD450/4-1AC2 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x DEF-CBM-RE-7 - Protection Guard1 x SAVE VSR 300 heat recovery unit1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x AIRVENT speed control - AIR4019611 x Vent Axia SC5001 - Speed controller1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x CBT-100N Centrifugal1 x RUCK MTP 20, 10K, Speed control1 x EC Trickle and boost module - IP56
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Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...