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 CS2 Current Switch1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Speed Controller - REB1-N2 x Isolator Switch - ISOSW1 x DEF-CBM-RE-7 - Protection Guard1 x REB-CVF 0-10v Controller4 x MWS 3 – Transformer Controller With Motor Protection1 x MTP 10, 10K, Speed control1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x TUNE-R-200-3-M1 - Control Damper1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Vent Axia Silent 100T (TIMER)1 x QPTW 250C Acoustic Twin Fan with Controller1 x FRQ5-10A Inverter Speed controller1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x EBM-Papst D4E225-BC01-17 Double inlet1 x Speed Controller - REB11 x Elta ACO Panel 149-ACO14E1 x Helios HQW-250/4 - IP551 x PIR Sensor - PIR21 x EC-Vent control board1 x VTR 300 STD Filter Kit1 x CONTROL ECOWATT - Basic1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x DDMP 12-12 3F 1810W M6A4 DG01 x Silent 100 Window Kit - windowS1 x EM30-24 Electro-Mechanical Control Panel1 x Transformer Speed Control - RTRE- 5.0Amp1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Helios TSW 7.5 Amp Transformer speed controller1 x Contactor Interface Station - CI91 x Elta 6 Amp Electronic single phase speed controller.1 x CBT-100N Centrifugal1 x GXC6EC - High Performance Extract Fan1 x ACO 149-ACO1/EDV1 x CMT/4-315/130-4KW - Single inlet centrifugal fan direct driven1 x Speed Controller - REB161 x Compact SCD450/4-1AC1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x EBM-Papst D3G133-BF05-14 Double inlet1 x PIR Sensor - PIR41 x UB47- Universal Insulated Terminal1 x Speed Controller - REB81 x ELM 18 EX Flexible Cuff for ERM 181 x TG-K Duct temperature sensor1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Speed Controller - REB2.5-N1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Electrostatic Precipitator - 1H x 3W1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x SAVE VSR 300 heat recovery unit1 x Elta ACO Panel 149-ACO18B1 x EC-Vent Room Unit1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Elta - Room Sensor - Temp/Humid/C021 x Systemair Save Connect 2.0 Internet Module1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Elta Variable Speed Drive IP66 - 1.5KW1 x VEKA INT 2000/15.0-L1 EKO1 x TUNE-R-200-3-M4 - Control Damper1 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x ENV 100 12v transformer SELV
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Reviews
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...