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 Helios HQW-200/2 - IP551 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Elta ACO Panel 149-ACO18B4 x MWS 1.5 – Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x EC-Vent Room Unit1 x Systemair Save Connect 2.0 Internet Module1 x Envirovent G4 Filter - SL-G4/F73 x EC6H - Reversible Group Fan Electronic Controller4 x WS - Reversing Switch from Helios Fans3 x TG-K3/NTC10-01 - Duct temperature sensor3 x Electronic extractor fan speed controller - FSC 1.51 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted3 x Vent Axia T-Series Controller5 x Helios HQW-200/4 - IP552 x Helios HQW-630/4 - IP552 x Transformer (silent) speed controller - RE 1.5 Amp5 x Commercial Single or 3 phase Fan Reversing Switch - RS16 x Transformer (silent) speed controller - RE 3.0 Amp2 x Easy-fix termination kit - High Rise Ventilator - EFT2 x REE-1 Electronic Speed Controller2 x Remote Timer Control - 13511 x Single phase speed controller by auto-transformer - RMB 10.0 Amp3 x Vent Axia Silent 100T (TIMER)4 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans6 x SG-200 Fan Guard for the HQW 2004 x Airvent ceiling fan controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3552 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x CBS-60 Outlet Flange for CSB/CBT-602 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x REB-CVF 0-10v Controller1 x TD Mixvent 800/200 EEXEIIT32 x Multiflow SMB550/4-1AC2 x TUNE-R-200-3-M1 - Control Damper2 x Quietflow SQS400-1ECL - Centrifugal Box Fan3 x Speed Controller - REB52 x Transformer Speed Control - RTRE- 12.0Amp3 x Elta Variable Speed Drive IP66 - 0.75KW3 x TG-R room temperature sensor1 x RDS 7 Helios Transformer Controller With Motor Protection1 x RDH FLEX-SQUARE - ADH/RDH 04501 x Elta Wall Cowl SWC56/632 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Transformer Speed Control - RTRE- 7.0Amp1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x MTP 10, 10K, Speed control2 x EBM-Papst D4E225-BC01-17 Double inlet1 x ELM 18 EX Flexible Cuff for ERM 181 x Transformer (silent) speed controller - RE 5.0 Amp1 x CBA-60 Inlet Flange for CBT-603 x Speed Controller - REB1-N5 x Helios HQW-250/4 - IP552 x DDMP 10-08 3F 2210W M6A4 DG04 x Helios HQW-315/4 - IP552 x Speed Controller - REB101 x Isolator Switch - EFF-ISO2 x Vent Axia ACM 200 inline mixed flow duct fan1 x Two Speed Switch - REGUL-21 x Vent Axia ACM 125 inline mixed flow duct fan1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm4 x QPTW 250C Acoustic Twin Fan with Controller1 x PIR Sensor - PIR22 x Elta - Room Sensor - Temp/Humid/C021 x KKS 100 silencer-section - For use with the MUB 100 size Fans.4 x Speed Controller - REB14 x PIR Sensor - PIR41 x Elta Variable Speed Drive IP66 - 2.2KW1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR3 x MTS10- extractor fan 3 step switch2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Elta Louvre Shutter - 400mm2 x MV-B Dual Switch for use with Helios HQW plate fans,2 x Helios RR-250-C Centrifugal inline fan3 x Transformer Speed Control - RTRE- 1.5Amp2 x CBM 9-9 550w 4P VR (Open Motor)2 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x CBT-100N Centrifugal1 x Elta Wall Cowl SWC35/401 x REE-2 Electronic Speed Controller1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x Electrostatic Precipitator - 1H x 3W1 x CBA-100 Inlet Flange for CBT-1001 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Elta 6 Amp Electronic single phase speed controller.1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm3 x UB47- Universal Insulated Terminal1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x CBS-100 Outlet Flange for CBT-1002 x Silent 100 Window Kit - windowS2 x Quietflow Twin SQTDCV250-1ECL1 x SD-MUB Vibration pad set2 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x TUNE-R-200-3-M2 - Control Damper1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan2 x Helios ESA-1 Surface mounted Speed Control 1amp1 x WSD 100 (1060x1060x70)1 x Biflow SB500-CON2-3 - High Temperature Bifurcated Fan1 x ELTA - Three Phase Transformer 3amps2 x CSB-60 Centrifugal fan1 x SAVE VSR 300 heat recovery unit1 x VTR 300 STD Filter Kit1 x Temperature Fan Speed Controller - ATCP4-WMS3 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x 100mm Round Connector with Damper1 x TG-K Duct temperature sensor1 x DPD 12PM Delivery Surcharge1 x CBM 12-12 1100w 6P Three Phase1 x Compact SCD450/4-1AC1 x DDMP 12-12 3F 1810W M6A4 DG01 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Duct Termination with Mesh - 250mm1 x CBT-80N Centrifugal1 x Speed Controller - REB81 x TD Mixvent 1100/250 EEXEIIT31 x Comefri - TLZ 450 R - High Performance Scroll Fan
Best sellers
CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven
£ 494.68 now £ 424.00
Reviews
EM 250-E2M 01- Etamaster-250
£ 128.80
Really well made but comes with no speed controler? ?and can...