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 Isolator Switch - ISOSW1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp2 x BEAS-control module1 x Helios HQW-200/2 - IP551 x Elta ACO Panel 149-ACO14E9 x MWS 1.5 – Transformer Controller With Motor Protection1 x CONTROL ECOWATT - Basic3 x Elta 6 Amp Electronic single phase speed controller with TK1 x EC-Vent control board1 x EM30-24 Electro-Mechanical Control Panel5 x WS - Reversing Switch from Helios Fans2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Envirovent G4 Filter - SL-G4/F71 x ACO 149-ACO1/EDV3 x EC6H - Reversible Group Fan Electronic Controller2 x TG-K3/NTC10-01 - Duct temperature sensor1 x Elta ACO Panel 149-ACO18B2 x Systemair Save Connect 2.0 Internet Module2 x Electronic extractor fan speed controller - FSC 1.53 x Vent Axia T-Series Controller1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit6 x Transformer (silent) speed controller - RE 3.0 Amp2 x REE-1 Electronic Speed Controller2 x Transformer Speed Control - RTRE- 12.0Amp1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6303 x Airvent ceiling fan controller2 x Remote Timer Control - 13511 x TG-K Duct temperature sensor4 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5002 x Transformer 5 Speed Controller - ATC1-12TK1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT3 x Single phase speed controller by auto-transformer - RMB 3.5 Amp4 x Helios HQW-200/4 - IP552 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Easy-fix termination kit - High Rise Ventilator - EFT2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Speed Controller - REB52 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE3 x Elta Variable Speed Drive IP66 - 0.75KW1 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x TUNE-R-200-3-M1 - Control Damper2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans4 x Vent Axia Silent 100T (TIMER)3 x SG-200 Fan Guard for the HQW 2001 x Transformer 5 Speed Controller - ATC1-2TK2 x Transformer (silent) speed controller - RE 5.0 Amp3 x Speed Controller - REB1-N1 x Multiflow SMB550/4-1AC1 x Isolator Switch - EFF-ISO2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3552 x Transformer (silent) speed controller - RE 1.5 Amp3 x Helios HQW-315/4 - IP551 x CBS-60 Outlet Flange for CSB/CBT-601 x TD Mixvent 800/200 EEXEIIT31 x RDS 7 Helios Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x Vent Axia ACM 200 inline mixed flow duct fan2 x Silent 100 Window Kit - windowS1 x TG-R room temperature sensor1 x Speed controller with Reverse - REB-1R1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B2 x RDH FLEX-SQUARE - ADH/RDH 04501 x MTP 10, 10K, Speed control2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x CBM 9-9 550w 4P VR (Open Motor)1 x DEF-140T Inlet Guard for the CBT-100N2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x CBA-60 Inlet Flange for CBT-601 x Elta Wall Cowl SWC56/633 x QPTW 250C Acoustic Twin Fan with Controller2 x MV-B Dual Switch for use with Helios HQW plate fans,3 x REB-CVF 0-10v Controller1 x PIR Sensor - PIR22 x Elta 6 Amp Electronic single phase speed controller.1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Speed Controller - REB101 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x GXC6EC - High Performance Extract Fan1 x DDMP 10-08 3F 2210W M6A4 DG01 x Elta Wall Cowl SWC25/311 x UB47- Universal Insulated Terminal1 x TUNE-R-200-3-M4 - Control Damper1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Elta 10 Amp Electronic single phase speed controller.1 x Temperature Fan Speed Controller - ATCP4-WMS1 x REE-2 Electronic Speed Controller1 x Transformer Speed Control - RTRE- 1.5Amp1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Transformer Speed Control - RTRE- 7.0Amp1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Duct Termination with Mesh - 355mm1 x VEKA INT 2000/15.0-L1 EKO1 x Helios RR-250-C Centrifugal inline fan1 x Speed Controller - REB1
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Soler & Palau TCBB/4-450/H - IP65
£ 505.88
Delivered super promptly yesterday, next day. Only just fitt...