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)
3 x 7 Day Programmable TIMECLOCK2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x NKS-D swirl diffuser v-300 x 300mm1 x FU 15 40 Frequency Inverter1 x FU 22 25 Frequency Inverter1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller1 x FRQ-10A V2 Inverter Speed controller1 x PCA Diffuser - PCA-3151 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Circular Ceiling Diffuser - TST 1251 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x Elta 10 Amp Electronic single phase speed controller.1 x FU 075 52 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x Circular Ceiling Diffuser - TST 1001 x FU 22 04 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Circular Ceiling Diffuser - TST 2001 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FU 15 16 Frequency Inverter1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Balance S Diffuser - NO RING - 125mm1 x FU 075 04 Frequency Inverter (IP20)1 x Round ceiling diffuser 400mm1 x Circular Ceiling Diffuser - TST 1601 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x EFSC-3N- Single Phase Speed Control2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Round ceiling diffuser 350mm1 x Round ceiling diffuser 250mm1 x ELTA - Single Phase Transformer 8amps2 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x Airvent ceiling fan controller1 x Elta 6 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 12amps1 x Remote Timer Control - 13511 x EFSC-6N- Single Phase Speed Control1 x COM-31 x Run On Timer - 5s - 4hrs - RT5A1 x ELTA - Single Phase Transformer 10amps2 x Push Timer Switch - ZA42 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B1 x TTC-2000 Three phase electric heater controller1 x Speed Controller - REB51 x EC-Vent control board2 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x ACO 149-ACO1/EDV1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC35/401 x MWS 5 – Transformer Controller With Motor Protection Unit1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/311 x Elta Louvre Shutter - 400mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Jet Cowl - 315mm1 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x CBB-60N Centrifugal1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Economy Airvent 100mm Fan with Timer1 x Mini Diffuser - 100mm1 x CBM 7/9 4p 300W RE-VR1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x DV-ROF-V-225 Roof mounted unit1 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 S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Transformer 5 Speed Controller - ATC1-12TK1 x Transformer 5 Speed Controller - ATC1-4TK1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-10TK1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 200mm2 x Electronic extractor fan speed controller - FSC 1.51 x EC6H - Reversible Group Fan Electronic Controller1 x Round ceiling diffuser 300mm2 x Elta 6 Amp Electronic single phase speed controller with TK2 x Elta 3 Amp Electronic single phase speed controller with TK1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x TG-K Duct temperature sensor1 x BEAS-control module1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Transformer (silent) speed controller - RE 3.0 Amp1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Transformer (silent) speed controller - RE 5.0 Amp1 x CBA-60 Inlet Flange for CBT-601 x Speed Controller - REB1-N1 x Transformer Speed Control - RTRE- 1.5Amp1 x MTS10- extractor fan 3 step switch1 x Speed Controller - REB11 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x REB-CVF 0-10v Controller1 x MTP 10, 10K, Speed control1 x Contactor Interface Station - CI91 x VTR 300 STD Filter Kit1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x PIR Sensor - PIR21 x EC-Vent Room Unit1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x CBT-100N Centrifugal1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Vent Axia Silent 100T (TIMER)1 x PIR Sensor - PIR41 x Silentub - STUB 1001 x Silent 100 Window Kit - windowS1 x QPTW 250C Acoustic Twin Fan with Controller1 x Elta Wall Cowl SWC56/631 x UB47- Universal Insulated Terminal1 x FFR 355 Filter Cassette1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x RDH FLEX-SQUARE - ADH/RDH 04501 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Compact SCD450/4-1AC1 x Elta - Room Sensor - Temp/Humid/C021 x GRA-100 External Grill by S&P1 x EBM-Papst D3G133-BF05-14 Double inlet1 x DDMP 12-12 3F 1810W M6A4 DG01 x Potentiometer EGH 01 - for DDMP Fans1 x IR24-P - Presence detector1 x Electrostatic Precipitator - 1H x 3W
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