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...
.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 17 (of 17 products)
1 x Systemair Save Connect 2.0 Internet Module2 x Vent Axia T-Series Controller1 x Helios HQW-200/2 - IP552 x Helios HQW-630/4 - IP551 x WS - Reversing Switch from Helios Fans1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x Transformer Speed Control - RTRE- 12.0Amp3 x Transformer (silent) speed controller - RE 3.0 Amp1 x Elta 3 Amp Electronic single phase speed controller with TK3 x TG-K3/NTC10-01 - Duct temperature sensor1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Control Panel Commissioning Service1 x REE-1 Electronic Speed Controller1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6302 x Remote Timer Control - 13512 x Helios HQW-200/4 - IP552 x Transformer (silent) speed controller - RE 1.5 Amp1 x Easy-fix termination kit - High Rise Ventilator - EFT2 x Electronic extractor fan speed controller - FSC 1.52 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x Speed Controller - REB54 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE4 x Vent Axia Silent 100T (TIMER)1 x Transformer Speed Control - RTRE- 7.0Amp2 x Elta Variable Speed Drive IP66 - 0.75KW3 x TG-R room temperature sensor1 x Multiflow SMB550/4-1AC1 x Two Speed Switch - REGUL-22 x Helios HQW-315/4 - IP551 x Speed Controller - REB102 x Vent Axia ACM 200 inline mixed flow duct fan2 x Transformer (silent) speed controller - RE 5.0 Amp1 x Elta Wall Cowl SWC56/632 x REB-CVF 0-10v Controller2 x SG-200 Fan Guard for the HQW 2004 x PIR Sensor - PIR21 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x Elta Variable Speed Drive IP66 - 2.2KW1 x RDH FLEX-SQUARE - ADH/RDH 04501 x CBM 9-9 550w 4P VR (Open Motor)3 x Transformer Speed Control - RTRE- 1.5Amp3 x Speed Controller - REB1-N1 x TUNE-R-200-3-M1 - Control Damper3 x MTP 10, 10K, Speed control4 x Airvent ceiling fan controller1 x DDMP 12-12 3F 1810W M6A4 DG01 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x EBM-Papst D4E225-BC01-17 Double inlet1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Envirovent 4 Way Remote Control Switch - SWHBKRF-42 x MTS10- extractor fan 3 step switch1 x GRA-100 External Grill by S&P3 x QPTW 250C Acoustic Twin Fan with Controller1 x Elta Wall Cowl SWC35/402 x RDS 11 Helios Transformer Controller With Motor Protection1 x Isolator Switch - ISOSW1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan3 x Transformer 5 Speed Controller - ATC1-2TK1 x REE-2 Electronic Speed Controller1 x Speed controller with Reverse - REB-1R1 x Transformer speed controller - ATC1 - 1.5 Amps1 x CBS-60 Outlet Flange for CSB/CBT-601 x CBA-60 Inlet Flange for CBT-601 x Elta 10 Amp Electronic single phase speed controller.1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x Elta Louvre Shutter - 400mm1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Elta Wall Cowl SWC45/501 x Compact SCD450/4-1AC2 x Elta 6 Amp Electronic single phase speed controller.3 x Speed Controller - REB11 x Elta Wall Cowl SWC25/311 x PIR Sensor - PIR41 x CBT-100N Centrifugal1 x VEKA INT 2000/15.0-L1 EKO1 x CBM 12-12 1100w 6P Three Phase1 x EBM-Papst D3G133-BF05-14 Double inlet1 x DEF-CBM-RE-7 - Protection Guard1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Vent Axia SC5001 - Speed controller1 x Helios HQW-250/4 - IP551 x GXC6EC - High Performance Extract Fan2 x Electrostatic Precipitator - 1H x 3W2 x VTR 300 STD Filter Kit1 x CFI In-line 150 - Carbon Filter1 x CBM Low Pressure Centrifugal Fan - CBM 7/7 6 Pole 72watt CVR1 x SD-MUB Vibration pad set1 x Elta - Room Sensor - Temp/Humid/C021 x TG-K Duct temperature sensor1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR
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Vectaire Elegance Low Energy DMEV Fan Range
£ 131.69
I've had 2 of these fans for 4 years now, and they are great...