Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 16 (of 16 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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 186.32
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
.jpg "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
£ 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 16 (of 16 products)
1 x Stainless Steel IL Flanged Spigot - 80mm3 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Small Centrifugal Fan - CBM/4-160/150-125 W1 x S&P RF4C-160/062 K040 SF-1744 (230V50Hz) VE1 x TTC-2000 Three phase electric heater controller1 x Elta ACO Panel 149-ACO18B1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Elta Wall Cowl SWC35/401 x Elta Louvre Shutter - 400mm1 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/311 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Jet Cowl - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Single Deflection Grille 400mm with OBD damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH2 x Mini Diffuser - 100mm1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x CRBB/3-250/084M EC 2H01 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x CAB-355 ECOWATT Energy Efficient Acoustic Box Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x CAB-315 ECOWATT Energy Efficient Acoustic Box Fan1 x CRBB/3-160/052M EC 1H0 MP - Radial Impeller - 160mm1 x Helios DDF-315 Roof Cowl1 x CRBB/3-190/060M EC 1HO MP - External Rotor Motor Radial Fans1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x CAB-250 ECOWATT Energy Efficient Acoustic Box Fan1 x Flat Roof Terminal -OFT 5 - Asphalt1 x AW Sileo EC Plate Axial Fan - Three Phase - 560mm3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A3 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU2 x 7 Day Programmable TIMECLOCK1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC56/632 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-2TK1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Helios TSW 7.5 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-4TK2 x Helios TSW 0.3Amp Compact Transformer speed controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Three Phase Transformer controllers - RMT 1.5 Amp2 x Helios TSW MCB Amp Transformer speed controller2 x Helios TSW 1.5 Amp Transformer speed controller1 x Helios TSW 10 Amp Transformer speed controller1 x Vent Axia ACM 100 inline mixed flow duct fan2 x CS2 Current Switch1 x Three Phase Transformer controllers - RMT 2.5 Amp1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x TEM 035 - 5 Speed Transformer Speed Control1 x Elta 6 Amp Electronic single phase speed controller with TK1 x BEAS-control module2 x ERR 20/1 Centrifugal inline fan1 x Two Speed Switch - REGUL-22 x Helios HQW-200/2 - IP551 x Electronic extractor fan speed controller - FSC 1.52 x Remote controller FLEX - for VEKO INT2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Helios TSW 3 Amp Transformer speed controller1 x RDS 7 Helios Transformer Controller With Motor Protection2 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x RTRD - Three Phase Speed Controller - 2 Amp2 x TG-K Duct temperature sensor1 x Vent Axia SC5001 - Speed controller1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x 5-Speed Controller for use with Elta SAX Classic Fans2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Temperature Fan Speed Controller - ATCP4-WMS1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans3 x Systemair Save Connect 2.0 Internet Module3 x Vent Axia ACM 125 inline mixed flow duct fan2 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Elta 3 Amp Electronic single phase speed controller with TK2 x ERR 31/1 Centrifugal inline fan1 x Helios HQW-630/4 - IP553 x Transformer (silent) speed controller - RE 3.0 Amp1 x CBS-60 Outlet Flange for CSB/CBT-602 x TG-K3/NTC10-01 - Duct temperature sensor1 x Speed Controller - REB32 x Helios HQW-200/4 - IP551 x Airvent ceiling fan controller2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Transformer (silent) speed controller - RE 1.5 Amp1 x MWS 3 – Transformer Controller With Motor Protection3 x MWS 1.5 – Transformer Controller With Motor Protection2 x Speed Controller - REB51 x ELM 18 EX Flexible Cuff for ERM 181 x Speed Controller - REB103 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Speed Controller - REB61 x Transformer (silent) speed controller - RE 5.0 Amp1 x MTV-1/010 Controller 0 to 10V+1 x Multiflow SMB550/4-1AC1 x Transformer Speed Control - RTRE- 7.0Amp1 x Transformer Speed Control - RTRE- 5.0Amp1 x Skyflow SSR Horizontal Roof Cowl SSR80B2 x REB-CVF 0-10v Controller4 x Speed Controller - REB1-N1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x DDMP 09-09 3F 2130W M6A4 DG01 x DEF-140T Inlet Guard for the CBT-100N1 x REE-1 Electronic Speed Controller2 x MTP 10, 10K, Speed control2 x SG-200 Fan Guard for the HQW 2002 x TUNE-R-200-3-M1 - Control Damper1 x Elta Variable Speed Drive IP66 - 2.2KW2 x CBM 9-9 550w 4P VR (Open Motor)1 x Transformer Speed Control - RTRE- 1.5Amp1 x CBA-60 Inlet Flange for CBT-601 x MTS10- extractor fan 3 step switch1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)2 x PIR Sensor - PIR21 x Vent Axia Silent 100T (TIMER)2 x Silent 100 Window Kit - windowS2 x Speed Controller - REB11 x Elta Variable Speed Drive IP66 - 7.5KW2 x Helios HQW-250/4 - IP552 x QPTW 250C Acoustic Twin Fan with Controller1 x DEF-CBM-RE-7 - Protection Guard1 x Isolator Switch - ISOSW2 x TG-R room temperature sensor2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Speed Controller - REB81 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x UB47- Universal Insulated Terminal2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x TG-K Duct temperature sensor1 x FRQ-10A V2 Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x DDMP 09/09 Mounting Flange1 x VTR 300 STD Filter Kit1 x PIR Sensor - PIR41 x ENV 100 12v transformer SELV1 x CBT-100N Centrifugal1 x Elta - Room Sensor - Temp/Humid/C021 x WS - Reversing Switch from Helios Fans1 x TD Mixvent 800/200 EEXEIIT31 x Contactor Interface Station - CI91 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x Elta Variable Speed Drive IP66 - 1.5KW1 x TUNE-R-200-3-M4 - Control Damper1 x GXC6EC - High Performance Extract Fan
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Reviews
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...