Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 16 (of 16 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...
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 16 (of 16 products)
2 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Helios TSW MCB Amp Transformer speed controller2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-12TK3 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Transformer (silent) speed controller - RE 3.0 Amp2 x Multiflow SMB550/4-1AC1 x Remote controller FLEX - for VEKO INT1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Helios TSW 7.5 Amp Transformer speed controller2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Vent Axia ACM 125 inline mixed flow duct fan2 x DEF-140T Inlet Guard for the CBT-100N1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Helios HQW-630/4 - IP551 x Remote Timer Control - 13511 x CBS-60 Outlet Flange for CSB/CBT-601 x Transformer (silent) speed controller - RE 1.5 Amp2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)3 x Speed Controller - REB1-N2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Helios TSW 3 Amp Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Systemair Save Connect 2.0 Internet Module1 x 7 Day Programmable TIMECLOCK1 x Electronic extractor fan speed controller - FSC 1.51 x Speed Controller - REB31 x Speed Controller - REB51 x Speed Controller - REB102 x MTP 10, 10K, Speed control2 x CBM 9-9 550w 4P VR (Open Motor)2 x Transformer Speed Control - RTRE- 1.5Amp1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x MTS10- extractor fan 3 step switch3 x Vent Axia Silent 100T (TIMER)3 x PIR Sensor - PIR21 x Silent 100 Window Kit - windowS2 x Speed Controller - REB12 x QPTW 250C Acoustic Twin Fan with Controller2 x Temperature Fan Speed Controller - ATCP4-WMS1 x Push Timer Switch - ZA42 x Vent Axia ACM 200 inline mixed flow duct fan1 x CS2 Current Switch2 x Isolator Switch - ISOSW1 x MWS 3 – Transformer Controller With Motor Protection2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Airvent ceiling fan controller1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B2 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x PIR Sensor - PIR41 x DDMP 12-12 3F 1810W M6A4 DG01 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x UB47- Universal Insulated Terminal1 x DEF-CBM-RE-7 - Protection Guard1 x Mini Diffuser - 100mm1 x Multi Input Run On Timer - 0 - 20min - CFCU2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x DDMP 09-09 3F 2130W M6A4 DG01 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x TD Mixvent 800/200 EEXEIIT31 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x CBT-100N Centrifugal1 x DDMP 10-08 3F 2210W M6A4 DG01 x Speed controller with Reverse - REB-1R2 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 driven
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