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 RDS 7 Helios Transformer Controller With Motor Protection1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x 204x60mm Insulated Rectangular Vertical 45° Bend2 x Elta Variable Speed Drive IP66 - 0.75KW1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Elta Variable Speed Drive IP66 - 5.5KW2 x Speed Controller - REB101 x Speed Controller - REB51 x Elta Variable Speed Drive IP66 - 2.2KW2 x REB-CVF 0-10v Controller1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Transformer Speed Control - RTRE- 12.0Amp1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x ACO8AC/EC AutoChangeover panel1 x Duct Termination with Mesh - 355mm1 x VEKA INT 2000/15.0-L1 EKO1 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x Electrostatic Precipitator - 1H x 3W1 x EBM-Papst D3G133-BF05-14 Double inlet1 x TD160-NT Mixvent - 100mm - TD160 Timer2 x Transformer Speed Control - RTRE- 7.0Amp1 x Helios RR-250-C Centrifugal inline fan1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Elta Wall Cowl SWC56/631 x TUNE-R-200-3-M2 - Control Damper1 x CBM 12-12 1100w 6P Three Phase3 x MTP 10, 10K, Speed control1 x SG-200 Fan Guard for the HQW 2001 x Silent 100 Window Kit - windowS1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x CBA-100 Inlet Flange for CBT-1002 x Speed Controller - REB1-N1 x CSB-60 Centrifugal fan1 x Singleflow SSDL315-1EC1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C2 x Vent Axia Silent 100T (TIMER)1 x WS - Reversing Switch from Helios Fans1 x Elta Louvre Shutter - 400mm1 x SPI-100 C Iris damper3 x PIR Sensor - PIR21 x Round ceiling diffuser 250mm1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Duct Termination with Mesh - 100mm1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x CK-60F Kit1 x Elta Wall Cowl SWC35/401 x SD-MUB Vibration pad set1 x Helios HQW-315/4 - IP551 x Elta Wall Cowl SWC25/311 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x WSD 100 (1060x1060x70)1 x VTR 500 STD Filter Kit1 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)1 x DA9/9-NT2 x QPTW 250C Acoustic Twin Fan with Controller1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Elta Wall Cowl SWC45/501 x UB47- Universal Insulated Terminal1 x CFI In-line 150 - Carbon Filter1 x Potentiometer EGH 01 - for DDMP Fans2 x Transformer Speed Control - RTRE- 1.5Amp1 x Helios HQW-355/4 - IP551 x Speed Controller - REB82 x PIR Sensor - PIR41 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x 100mm Round Connector with Damper1 x Helios HQW-250/4 - IP551 x Helios ZNE Electronic Fan Overrun Timer1 x CBT-80N Centrifugal1 x Flat Roof Terminal -OFT 5 - Asphalt
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CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven
£ 494.68 now £ 424.00
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40
I have a loft mount extractor fan which was very noisy. I ...