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 Transformer Speed Control - RTRE- 12.0Amp2 x TG-K3/NTC10-01 - Duct temperature sensor1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x REE-1 Electronic Speed Controller2 x Remote Timer Control - 13514 x Helios HQW-200/4 - IP553 x Silent 100 Window Kit - windowS1 x BEAS-control module1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Helios HQW-200/2 - IP551 x Elta ACO Panel 149-ACO18B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Systemair Save Connect 2.0 Internet Module5 x Airvent ceiling fan controller3 x MWS 1.5 – Transformer Controller With Motor Protection1 x Envirovent G4 Filter - SL-G4/F74 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x EM30-24 Control Panel Commissioning Service3 x WS - Reversing Switch from Helios Fans1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x Speed Controller - REB52 x Helios HQW-630/4 - IP552 x Transformer Speed Control - RTRE- 7.0Amp3 x Elta Variable Speed Drive IP66 - 0.75KW3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Easy-fix termination kit - High Rise Ventilator - EFT2 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Vent Axia T-Series Controller3 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Vent Axia ACM 125 inline mixed flow duct fan4 x Transformer (silent) speed controller - RE 3.0 Amp2 x Multiflow SMB550/4-1AC2 x EBM-Papst D4E225-BC01-17 Double inlet2 x CBM 9-9 550w 4P VR (Open Motor)1 x Speed Controller - REB102 x Helios HQW-315/4 - IP552 x Transformer 5 Speed Controller - ATC1-2TK2 x Electronic extractor fan speed controller - FSC 1.54 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Transformer (silent) speed controller - RE 5.0 Amp2 x QPTW 250C Acoustic Twin Fan with Controller2 x Elta Variable Speed Drive IP66 - 2.2KW2 x TUNE-R-200-3-M1 - Control Damper3 x Vent Axia Silent 100T (TIMER)3 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x MTP 10, 10K, Speed control1 x Transformer Speed Control - RTRE- 1.5Amp2 x REB-CVF 0-10v Controller1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR3 x PIR Sensor - PIR21 x EC6H - Reversible Group Fan Electronic Controller1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x MTS10- extractor fan 3 step switch2 x Speed Controller - REB1-N2 x RDH FLEX-SQUARE - ADH/RDH 04501 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x SG-200 Fan Guard for the HQW 2003 x Helios HQW-250/4 - IP551 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x RDS 11 Helios Transformer Controller With Motor Protection2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x REE-2 Electronic Speed Controller1 x DDMP 12-12 3F 1810W M6A4 DG01 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x DDMP 10-08 3F 2210W M6A4 DG02 x TG-R room temperature sensor1 x CBA-100 Inlet Flange for CBT-1002 x CBS-60 Outlet Flange for CSB/CBT-603 x CBA-60 Inlet Flange for CBT-601 x Speed controller with Reverse - REB-1R1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Isolator Switch - ISOSW1 x Elta 10 Amp Electronic single phase speed controller.2 x Transformer (silent) speed controller - RE 1.5 Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta 6 Amp Electronic single phase speed controller.1 x FRQ5-10A Inverter Speed controller1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Isolator Switch - EFF-ISO1 x Helios TSW 1.5 Amp Transformer speed controller1 x Compact SCD450/4-1AC1 x Two Speed Switch - REGUL-22 x MV-B Dual Switch for use with Helios HQW plate fans,1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Elta Wall Cowl SWC56/631 x GXC6EC - High Performance Extract Fan1 x Helios TSW 7.5 Amp Transformer speed controller1 x Remote controller FLEX - for VEKO INT1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Electrostatic Precipitator - 1H x 3W2 x VTR 300 STD Filter Kit3 x CBT-100N Centrifugal1 x TUNE-R-200-3-M4 - Control Damper1 x UB47- Universal Insulated Terminal1 x Elta Wall Cowl SWC35/401 x 220x90mm Insulated Rectangular Horizontal 90° Bend2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Transformer Speed Control - RTRE- 5.0Amp1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Helios RR-250-C Centrifugal inline fan1 x Flat Roof Terminal -OFT 5 - Asphalt1 x Elta Wall Cowl SWC45/501 x CBS-100 Outlet Flange for CBT-1001 x VEKA INT 2000/15.0-L1 EKO1 x WSD 100 (1060x1060x70)1 x TG-K Duct temperature sensor1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Speed Controller - REB81 x Elta - Room Sensor - Temp/Humid/C021 x DDMP 10-10 1F 1000W M6A2 DA51 x Flakt Woods ME 1.6 speed controller 6.0amp - EA901159
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Reviews
Duct Mounted Inline Filter - EU4
£ 44.99
Well made and robust, but it was not use for my application ...