Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 17 (of 17 products)
Backdraft Dampers - BDP
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
Backdraught Shutters 039-SFSV-63/71
£ 192.96
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
BDS 200/250 RA b/d shutter
BDS 200/250 RA b/d shutter
£ 59.07
BDS 200/250 RA b/d shutter...
BDS 300/315 RA b/d shutter
BDS 300/315 RA b/d shutter
£ 72.20
BDS 300/315 RA b/d shutter...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 90.13
BDS 350 RA b/d shutter...
BDS 400/450 RA b/d shutter
BDS 400/450 RA b/d shutter
£ 95.33
BDS 400/450 RA b/d shutter...
BDS 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 114.39
BDS 500/560 RA b/d shutter...
BDS 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 144.13
BDS 630/710 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 171.71
BDS 800 RA b/d shutter...
Flanged Damper 019-0250-STD
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
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
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...
Helios Condense Collector
Helios Condense Collector
£ 168.68
Helios Condense Collector...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
JCA-1100 - Back Draft Shutter for CRHB/CRHT Roof Fans
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
RSK355 - Back Draught Shutter
£ 82.95
Back Draught Shutter for duct installation Galvanized sheet steel housing Aluminium flaps ...
VKS 355-500 Automatic shutter
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 Transformer (silent) speed controller - RE 1.5 Amp1 x Envirovent G4 Filter - SL-G4/F71 x Elta 3 Amp Electronic single phase speed controller with TK1 x Helios HQW-630/4 - IP553 x TG-K3/NTC10-01 - Duct temperature sensor1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x Elta 6 Amp Electronic single phase speed controller with TK4 x Helios HQW-200/4 - IP551 x EC-Vent control board2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)3 x WS - Reversing Switch from Helios Fans3 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Vent Axia T-Series Controller1 x REE-1 Electronic Speed Controller1 x Transformer 5 Speed Controller - ATC1-12TK1 x Elta ACO Panel 149-ACO18B1 x ACO 149-ACO1/EDV2 x Speed Controller - REB52 x Systemair Save Connect 2.0 Internet Module3 x MWS 1.5 – Transformer Controller With Motor Protection4 x Airvent ceiling fan controller1 x Transformer (silent) speed controller - RE 3.0 Amp2 x Elta Variable Speed Drive IP66 - 0.75KW2 x TG-R room temperature sensor2 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Vent Axia ACM 100 inline mixed flow duct fan1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x DEF-140T Inlet Guard for the CBT-100N1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp5 x Vent Axia Silent 100T (TIMER)1 x TUNE-R-200-3-M1 - Control Damper1 x TUNE-R-200-3-M4 - Control Damper2 x RDH FLEX-SQUARE - ADH/RDH 04502 x Speed Controller - REB102 x Transformer Speed Control - RTRE- 7.0Amp1 x EM30-24 Control Panel Commissioning Service1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x EC-Vent Room Unit3 x Helios HQW-250/4 - IP554 x SG-200 Fan Guard for the HQW 2001 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x Single phase speed controller by auto-transformer - RMB 10.0 Amp3 x PIR Sensor - PIR23 x PIR Sensor - PIR42 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Isolator Switch - EFF-ISO1 x EBM-Papst D4E225-BC01-17 Double inlet1 x Vent Axia ACM 150 inline mixed flow duct fan2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Speed Controller - REB82 x Remote Timer Control - 13511 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Speed controller with Reverse - REB-1R1 x CBS-60 Outlet Flange for CSB/CBT-601 x CBA-60 Inlet Flange for CBT-602 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Transformer Speed Control - RTRE- 12.0Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x DDMP 12-12 3F 5700W M6M0 DG71 x SAVE VSR 300 heat recovery unit1 x EC6H - Reversible Group Fan Electronic Controller2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x CBS-100 Outlet Flange for CBT-1001 x Speed Controller - REB2.5-N1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Electronic extractor fan speed controller - FSC 1.51 x Helios TSW 1.5 Amp Transformer speed controller2 x DDMP 12-12 3F 1810W M6A4 DG03 x Speed Controller - REB1-N2 x UB47- Universal Insulated Terminal1 x CSB-60 Centrifugal fan1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan2 x CBT-100N Centrifugal1 x DDMP 07/07 Mounting Flange1 x Duct Termination with Mesh - 150mm2 x CBB-60N Centrifugal2 x DDMP 10-10 1F 1000W M6A2 DA51 x Silent 100 Window Kit - windowS2 x Helios ESA-1 Surface mounted Speed Control 1amp2 x DPD 12PM Delivery Surcharge1 x DDMP 12-12 1F 1800W M6A4 DA82 x DDMP 12-09 1F 1800W M6A4 DA82 x MTP 10, 10K, Speed control1 x Silentub - STUB 1001 x ACO8AC/EC AutoChangeover panel1 x CBB-80N Centrifugal1 x QPTW 250C Acoustic Twin Fan with Controller1 x CBT-80N Centrifugal1 x RUCK MTP 20, 10K, Speed control1 x REB-CVF 0-10v Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Singleflow SSDL315-1EC1 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x CFI In-line 425 - Carbon Filter1 x KBA- Inlet Mounting 1801 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x ERR 20/1 Centrifugal inline fan1 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x Transformer (silent) speed controller - RE 5.0 Amp2 x TecFire Intumescent Damper - Rectangular 400x400mm1 x ENV 100 12v transformer SELV1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x CBS-130 Outlet Flange for CBT-1301 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x AIRVENT speed control - AIR4019611 x Binks Bullows - Spray Booth Filter1 x 125mm Round Connector with Damper1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x TD Mixvent 800/200 EEXEIIT31 x Transformer 5 Speed Controller - ATC1-4TK1 x EFSC-3N- Single Phase Speed Control1 x Helios HQW-315/4 - IP551 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x CBA-100 Inlet Flange for CBT-1001 x Elta SCP400/4-1AC - IP551 x Elta 10 Amp Electronic single phase speed controller.1 x Elta HXP 800mm 6-Pole (Three Phase)1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Duct Termination with Mesh - 250mm1 x KAD-225-F400 Rectangle Flexible Connector
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...