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 220x90mm Insulated Rectangular Horizontal 90° Bend3 x Speed Controller - REB103 x Transformer Speed Control - RTRE- 7.0Amp1 x TUNE-R-200-3-M4 - Control Damper2 x Elta Variable Speed Drive IP66 - 0.75KW1 x Multiflow SMB550/4-1AC1 x 204x60mm Insulated Rectangular Vertical 45° Bend1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Speed Controller - REB161 x SAVE VSR 300 heat recovery unit1 x Compact SCD450/4-1AC1 x 220x90mm Insulated Rectangular Vertical 90° Bend1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Isolator Switch - EFF-ISO3 x SG-200 Fan Guard for the HQW 2002 x Speed Controller - REB1-N1 x Mini Diffuser - 100mm4 x Helios HQW-315/4 - IP551 x TG-R room temperature sensor1 x CBM 9-9 550w 4P VR (Open Motor)1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Silentub - STUB 1001 x AIRVENT speed control - AIR4019611 x DDMP 10-08 3F 2210W M6A4 DG01 x EBM-Papst D3G133-BF05-14 Double inlet1 x Elta Wall Cowl SWC35/401 x Speed Controller - REB51 x Elta Variable Speed Drive IP66 - 2.2KW1 x GRA-100 External Grill by S&P1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR3 x Transformer Speed Control - RTRE- 1.5Amp1 x VEKA INT 2000/15.0-L1 EKO1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x 204x60mm Insulated Rectangular Vertical 90° Bend2 x MTP 10, 10K, Speed control1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x Vent Axia Silent 100T (TIMER)1 x Elta Louvre Shutter - 400mm1 x CBM 12-12 1100w 6P Three Phase1 x Elta Wall Cowl SWC25/311 x MTS10- extractor fan 3 step switch1 x ACO8AC/EC AutoChangeover panel1 x TD160-NT Mixvent - 100mm - TD160 Timer2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Helios HQW-250/4 - IP551 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x HIMF - Mixed Flow Fan 100mm Inline Fan2 x QPTW 250C Acoustic Twin Fan with Controller1 x TUNE-R-200-3-M1 - Control Damper1 x UB47- Universal Insulated Terminal1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x Helios RR-250-C Centrifugal inline fan1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x EBM-Papst D4E225-BC01-17 Double inlet1 x CBA-100 Inlet Flange for CBT-1001 x Duct Termination with Mesh - 355mm1 x RDH FLEX-SQUARE - ADH/RDH 04501 x TUNE-R-200-3-M2 - Control Damper2 x PIR Sensor - PIR21 x Silent 100 Window Kit - windowS1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Singleflow SSDL315-1EC1 x Silent 300 CZ Design PLUS Extractor Fan
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Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...