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...
.jpg "JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans")
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)
3 x Speed Controller - REB1-N2 x MTP 10, 10K, Speed control3 x Speed Controller - REB12 x Elta 6 Amp Electronic single phase speed controller.5 x UB47- Universal Insulated Terminal1 x Vent Axia Silent 100T (TIMER)2 x ENV 100 12v transformer SELV2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x EBM-Papst D4E225-BC01-17 Double inlet2 x QPTW 250C Acoustic Twin Fan with Controller5 x PIR Sensor - PIR21 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)4 x DDMP 12-12 3F 1810W M6A4 DG01 x Helios HQW-250/4 - IP552 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Silent 100 Window Kit - windowS2 x Speed Controller - REB84 x PIR Sensor - PIR42 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Mini Diffuser - 100mm2 x Duct Termination with Mesh - 355mm2 x Elta 6 Amp Electronic single phase speed controller with TK1 x EBM-Papst D3G133-BF05-14 Double inlet1 x Compact SCD450/4-1AC2 x RD35S-4DW.6W.3L - 122297 (Three Phase)2 x MTS10- extractor fan 3 step switch1 x SPI-100 C Iris damper2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x VTR 300 STD Filter Kit1 x Helios RR-250-C Centrifugal inline fan1 x Multi Input Run On Timer - 0 - 20min - CFCU2 x Speed controller with Reverse - REB-1R1 x AXC TP - 150mm Plastic Centrifugal Inline Fan2 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x 100mm Round Connector with Damper1 x Airvent ceiling fan controller1 x CO2 Room Sensor - CO2-R1 x Transformer Speed Control - RTRE- 5.0Amp1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Helios TSW 3 Amp Transformer speed controller1 x Electrostatic Precipitator - 1H x 3W1 x CBM 12-12 1100w 6P Three Phase1 x AIRVENT speed control - AIR4019611 x Flat Roof Terminal -OFT 5 - Asphalt1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x VEKA INT 2000/15.0-L1 EKO
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