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 Quietflow SQS400-1ECL - Centrifugal Box Fan4 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Speed Controller - REB102 x Transformer (silent) speed controller - RE 3.0 Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3552 x Transformer Speed Control - RTRE- 7.0Amp2 x Helios HQW-200/4 - IP552 x Airvent ceiling fan controller2 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x EC6H - Reversible Group Fan Electronic Controller2 x CBM 9-9 550w 4P VR (Open Motor)1 x REE-1 Electronic Speed Controller2 x CBA-60 Inlet Flange for CBT-602 x Isolator Switch - EFF-ISO3 x Elta Variable Speed Drive IP66 - 0.75KW5 x Helios HQW-315/4 - IP552 x Speed Controller - REB52 x Multiflow SMB550/4-1AC1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x TG-R room temperature sensor2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)5 x SG-200 Fan Guard for the HQW 2004 x Transformer Speed Control - RTRE- 1.5Amp1 x Transformer Speed Control - RTRE- 12.0Amp1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Elta Wall Cowl SWC56/633 x REB-CVF 0-10v Controller2 x MTS10- extractor fan 3 step switch2 x Elta Variable Speed Drive IP66 - 2.2KW1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.3 x Speed Controller - REB1-N4 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x TD Mixvent 800/200 EEXEIIT36 x MTP 10, 10K, Speed control2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR3 x Vent Axia Silent 100T (TIMER)4 x QPTW 250C Acoustic Twin Fan with Controller1 x GRA-100 External Grill by S&P1 x WS - Reversing Switch from Helios Fans1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Elta Louvre Shutter - 400mm1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan2 x RDS 11 Helios Transformer Controller With Motor Protection1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Helios TSW 1.5 Amp Transformer speed controller1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x REE-2 Electronic Speed Controller1 x RDH FLEX-SQUARE - ADH/RDH 04502 x Silent 100 Window Kit - windowS1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x EBM-Papst D4E225-BC01-17 Double inlet1 x Elta Wall Cowl SWC45/501 x DEF-CBM-RE-7 - Protection Guard1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC35/402 x DDMP 12-12 3F 1810W M6A4 DG01 x Elta 10 Amp Electronic single phase speed controller.4 x PIR Sensor - PIR21 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR3 x Compact SCD450/4-1AC2 x Speed Controller - REB84 x Helios HQW-250/4 - IP551 x FRQ5-10A Inverter Speed controller2 x Transformer 5 Speed Controller - ATC1-4TK3 x Transformer 5 Speed Controller - ATC1-2TK4 x Elta 6 Amp Electronic single phase speed controller.1 x Contactor Interface Station - CI91 x EBM-Papst D3G133-BF05-14 Double inlet1 x VTR 300 STD Filter Kit1 x Vent Axia SC5001 - Speed controller2 x CBA-100 Inlet Flange for CBT-1002 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7102 x UB47- Universal Insulated Terminal2 x RD35S-4DW.6W.3L - 122297 (Three Phase)3 x DDMP 10-08 3F 2210W M6A4 DG03 x PIR Sensor - PIR41 x Jet Cowl - 315mm1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x TG-K Duct temperature sensor1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Quietflow SQS100-1ECL - Centrifugal Box Fan2 x DEF-140T Inlet Guard for the CBT-100N1 x 7 Day Programmable TIMECLOCK1 x Electrostatic Precipitator - 1H x 3W2 x Speed Controller - REB11 x CBT-100N Centrifugal1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Transformer Speed Control - RTRE- 5.0Amp1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Elta - Room Sensor - Temp/Humid/C022 x Helios RR-250-C Centrifugal inline fan2 x ENV 100 12v transformer SELV1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven
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Reviews
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...