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)
2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)2 x Helios TSW 0.3Amp Compact Transformer speed controller1 x FU 22 25 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter RUCK - FU 075 201 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW2 x Elta Variable Speed Drive IP66 - 1.5KW1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 3amps1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)2 x FRQ5-10A Inverter Speed controller1 x ELTA - Three Phase Transformer 10amps1 x NKS-D swirl diffuser v-300 x 300mm1 x FU 22 04 Frequency Inverter1 x Circular Ceiling Diffuser - TST 1251 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 1001 x Round ceiling diffuser 400mm1 x Balance S Diffuser - NO RING - 125mm1 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Circular Ceiling Diffuser - TST 1601 x Balance S Diffuser - NO RING - 100mm1 x Helios TSW 1.5 Amp Transformer speed controller1 x Round ceiling diffuser 200mm1 x Round ceiling diffuser 300mm1 x Round ceiling diffuser 250mm1 x Round ceiling diffuser 350mm2 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Helios ZNE Electronic Fan Overrun Timer2 x Push Timer Switch - ZA42 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACO8AC/EC AutoChangeover panel1 x Helios HQW-200/2 - IP551 x EC-Vent control board1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent Room Unit1 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x Elta Wall Cowl SWC35/401 x Circular Ceiling Diffuser - TST 2001 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Isolator Switch - ISOSW1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Electronic extractor fan speed controller - FSC 1.51 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x MTS10- extractor fan 3 step switch1 x SG-200 Fan Guard for the HQW 2001 x Helios HQW-250/4 - IP551 x UB47- Universal Insulated Terminal1 x GRA-100 External Grill by S&P1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x COM-31 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Envirovent G4 Filter - SL-G4/F71 x Transformer (silent) speed controller - RE 3.0 Amp1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Speed Controller - REB1-N1 x QPTW 250C Acoustic Twin Fan with Controller1 x Speed Controller - REB11 x REB-CVF 0-10v Controller1 x PIR Sensor - PIR21 x PIR Sensor - PIR41 x SAVE VSR 300 heat recovery unit1 x Elta Wall Cowl SWC45/501 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 10 Amp Transformer speed controller1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x WS - Reversing Switch from Helios Fans1 x TG-K Duct temperature sensor1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x TG-K3/NTC10-01 - Duct temperature sensor2 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR2 x Helios HQW-200/4 - IP551 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Speed Controller - REB51 x Transformer (silent) speed controller - RE 5.0 Amp1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x CBM 9-9 550w 4P VR (Open Motor)2 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x MTP 10, 10K, Speed control1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Vent Axia Silent 100T (TIMER)1 x Contactor Interface Station - CI91 x CBT-100N Centrifugal1 x Silent 100 Window Kit - windowS1 x Elta 6 Amp Electronic single phase speed controller.1 x VEKA INT 2000/15.0-L1 EKO1 x EBM-Papst D3G133-BF05-14 Double inlet1 x Elta Wall Cowl SWC25/311 x Elta - Room Sensor - Temp/Humid/C021 x Speed Controller - REB2.5-N1 x AIRVENT speed control - AIR4019611 x Silentub - STUB 1001 x Compact SCD450/4-1AC1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 710
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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...