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 MTP 10, 10K, Speed control1 x Elta Variable Speed Drive IP66 - 2.2KW2 x Silent 100 Window Kit - windowS2 x Transformer Speed Control - RTRE- 7.0Amp1 x Remote Timer Control - 13511 x REB-CVF 0-10v Controller3 x Speed Controller - REB1-N1 x TG-R room temperature sensor2 x Electronic extractor fan speed controller - FSC 1.51 x ELM 18 EX Flexible Cuff for ERM 184 x Vent Axia Silent 100T (TIMER)4 x PIR Sensor - PIR22 x Helios HQW-315/4 - IP551 x Helios HQW-250/4 - IP551 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3552 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)3 x UB47- Universal Insulated Terminal3 x Speed Controller - REB82 x CBM 9-9 550w 4P VR (Open Motor)3 x PIR Sensor - PIR43 x QPTW 250C Acoustic Twin Fan with Controller2 x TD Mixvent 800/200 EEXEIIT31 x DDMP 10-08 3F 2210W M6A4 DG01 x Elta Wall Cowl SWC56/631 x Elta 10 Amp Electronic single phase speed controller.1 x RDH FLEX-SQUARE - ADH/RDH 04502 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm1 x Quietflow SQS100-1ECL - Centrifugal Box Fan2 x MTS10- extractor fan 3 step switch1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Transformer (silent) speed controller - RE 5.0 Amp2 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x TG-K Duct temperature sensor1 x Transformer 5 Speed Controller - ATC1-8TK1 x Transformer 5 Speed Controller - ATC1-4TK1 x Elta 6 Amp Electronic single phase speed controller.1 x Transformer 5 Speed Controller - ATC1-2TK1 x DDMP 12-12 3F 1810W M6A4 DG01 x Compact SCD450/4-1AC1 x Mini Diffuser - 100mm1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Speed Controller - REB11 x Duct Termination with Mesh - 355mm1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x EBM-Papst D4E225-BC01-17 Double inlet1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Speed controller with Reverse - REB-1R1 x Transformer Speed Control - RTRE- 1.5Amp1 x Elta Wall Cowl SWC25/311 x Elta 3 Amp Electronic single phase speed controller with TK1 x FRQ5-10A Inverter Speed controller
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Airvent Ceiling Sweep Fan - 36 inch - 444122
£ 59.84
Fitted 2 Of These Excellent Fans in a Community Club to shif...