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 REB-CVF 0-10v Controller1 x Elta Variable Speed Drive IP66 - 2.2KW3 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x Speed Controller - REB1-N1 x Elta Wall Cowl SWC35/403 x PIR Sensor - PIR22 x MTP 10, 10K, Speed control2 x TD Mixvent 800/200 EEXEIIT31 x DEF-CBM-RE-7 - Protection Guard1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)3 x Helios HQW-250/4 - IP552 x SG-200 Fan Guard for the HQW 2001 x Silent 100 Window Kit - windowS1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.3 x Transformer Speed Control - RTRE- 1.5Amp1 x Elta Wall Cowl SWC45/501 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Elta Wall Cowl SWC25/311 x CBA-60 Inlet Flange for CBT-603 x MTS10- extractor fan 3 step switch3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)4 x QPTW 250C Acoustic Twin Fan with Controller1 x TUNE-R-200-3-M1 - Control Damper2 x FRQ5-10A Inverter Speed controller3 x DDMP 12-12 3F 1810W M6A4 DG02 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Speed Controller - REB82 x UB47- Universal Insulated Terminal1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-4TK1 x Helios TSW 1.5 Amp Transformer speed controller2 x Elta 6 Amp Electronic single phase speed controller.1 x Jet Cowl - 315mm4 x CBT-100N Centrifugal3 x PIR Sensor - PIR41 x Transformer Speed Control - RTRE- 5.0Amp1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Contactor Interface Station - CI91 x GXC6EC - High Performance Extract Fan2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm3 x Compact SCD450/4-1AC1 x ACO8AC/EC AutoChangeover panel1 x Speed Controller - REB2.5-N1 x DA9/9-NT1 x VTR 300 STD Filter Kit3 x Elta - Room Sensor - Temp/Humid/C021 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Flat Roof Terminal -OFT 5 - Asphalt2 x Elta Variable Speed Drive IP66 - 1.5KW1 x TG-K Duct temperature sensor2 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x ENV 100 12v transformer SELV1 x SAVE VSR 300 heat recovery unit3 x Speed Controller - REB11 x DDMP 07/07 Mounting Flange1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x REE-2 Electronic Speed Controller1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x CBA-100 Inlet Flange for CBT-1001 x Potentiometer EGH 01 - for DDMP Fans2 x CBS-100 Outlet Flange for CBT-1001 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x Multi Input Run On Timer - 0 - 20min - CFCU1 x SPI-100 C Iris damper1 x TG-K3/NTC10-01 - Duct temperature sensor1 x VTR 500 STD Filter Kit1 x DDMP 10-08 3F 2210W M6A4 DG01 x Mini Diffuser - 100mm1 x ELTA - Three Phase Transformer 3amps1 x AIRVENT speed control - AIR4019611 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x KBA- Inlet Mounting 2251 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Duct Termination with Mesh - 450mm1 x FFR 355 Filter Cassette1 x Electrostatic Precipitator - 1H x 3W
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