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)
4 x Transformer Speed Control - RTRE- 1.5Amp3 x Speed Controller - REB82 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x GRA-100 External Grill by S&P3 x Vent Axia Silent 100T (TIMER)1 x Speed Controller - REB51 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven5 x Helios HQW-250/4 - IP554 x PIR Sensor - PIR24 x MTP 10, 10K, Speed control1 x Elta Louvre Shutter - 400mm1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x TUNE-R-200-3-M1 - Control Damper1 x Elta Wall Cowl SWC35/403 x Helios HQW-315/4 - IP552 x Transformer Speed Control - RTRE- 7.0Amp2 x Speed Controller - REB1-N1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x TG-R room temperature sensor1 x Elta Wall Cowl SWC25/314 x Compact SCD450/4-1AC1 x Electronic extractor fan speed controller - FSC 1.51 x Remote Timer Control - 13511 x Elta Wall Cowl SWC45/501 x Elta Variable Speed Drive IP66 - 0.75KW3 x UB47- Universal Insulated Terminal1 x CBA-60 Inlet Flange for CBT-605 x QPTW 250C Acoustic Twin Fan with Controller1 x Transformer Speed Control - RTRE- 12.0Amp3 x MTS10- extractor fan 3 step switch3 x PIR Sensor - PIR43 x Elta 6 Amp Electronic single phase speed controller.5 x Speed Controller - REB11 x Isolator Switch - EFF-ISO1 x SG-200 Fan Guard for the HQW 2001 x REB-CVF 0-10v Controller2 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7102 x TG-K Duct temperature sensor1 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x DDMP 10-08 3F 2210W M6A4 DG01 x Elta - Room Sensor - Temp/Humid/C021 x RDH FLEX-SQUARE - ADH/RDH 04501 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Mini Diffuser - 100mm1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Speed Controller - REB103 x Duct Termination with Mesh - 450mm1 x Vent Axia ACM 200 inline mixed flow duct fan2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x ENV 100 12v transformer SELV1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B3 x Silent 100 Window Kit - windowS1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5952 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x Flat Roof Terminal -OFT 5 - Asphalt1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x Binks Bullows - Spray Booth Filter2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Speed controller with Reverse - REB-1R1 x Elta Variable Speed Drive IP66 - 2.2KW2 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Transformer 5 Speed Controller - ATC1-2TK1 x Duct Termination with Mesh - 400mm1 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x Multiflow SMB550/4-1AC1 x Single Deflection Grille 400mm with OBD damper1 x SAVE VSR 300 heat recovery unit1 x Speed Controller - REB63 x CBT-100N Centrifugal2 x AIRVENT speed control - AIR4019611 x TUNE-R-200-3-M4 - Control Damper1 x Helios RR-250-C Centrifugal inline fan3 x CBA-100 Inlet Flange for CBT-1002 x CBS-100 Outlet Flange for CBT-1001 x TecFire Intumescent Damper - Rectangular 400x400mm4 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer Speed Control - RTRE- 3.0Amp1 x Transformer 5 Speed Controller - ATC1-4TK1 x Helios TSW 1.5 Amp Transformer speed controller1 x ERR 20/1 Centrifugal inline fan1 x Speed Controller - REB2.5-N1 x VTR 300 STD Filter Kit1 x Duct Termination with Mesh - 355mm1 x 100mm Round Connector with Damper1 x ELM 18 EX Flexible Cuff for ERM 181 x Elta SPA500/4-1AC - IP541 x Contactor Interface Station - CI92 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Elta SCP400/4-1AC - IP551 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x CPTA-E Flush mounted PIR sensor with timer1 x Elta 10 Amp Electronic single phase speed controller.
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Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40
I have a loft mount extractor fan which was very noisy. I ...