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 UB47- Universal Insulated Terminal2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 15 16 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x Helios VDS-7 Three Phase Transformer 5-Step1 x FRQ5-4A V2 Inverter Speed Controller1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x NKS-D swirl diffuser v-300 x 300mm1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Elta 10 Amp Electronic single phase speed controller.1 x Circular Ceiling Diffuser - TST 2001 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3151 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1251 x Circular Ceiling Diffuser - TST 1601 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x EC6H - Reversible Group Fan Electronic Controller1 x Round ceiling diffuser 400mm1 x Electronic extractor fan speed controller - FSC 1.51 x ELTA - Single Phase Transformer 12amps1 x Round ceiling diffuser 200mm1 x Airvent ceiling fan controller1 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x Balance S Diffuser - NO RING - 100mm1 x EFSC-3N- Single Phase Speed Control1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Versio Square Ceiling Diffusers - RS141 x Elta 2 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x Elta 6 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 350mm1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 250mm2 x COM-31 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 4amps1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 10amps1 x PCA Diffuser - PCA-2502 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A1 x Time Delay Unit - DT20B2 x Multi Input Run On Timer - 0 - 20min - CFCU2 x Push Timer Switch - ZA42 x Helios ZNE Electronic Fan Overrun Timer1 x 7 Day Programmable TIMECLOCK1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x TTC-2000 Three phase electric heater controller1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x ACOAS/ AC/EC Auto Changeover 8Amp2 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x EC-Vent Room Unit1 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 Louvre Shutter - 400mm1 x Single Deflection Grille 400mm with OBD damper1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-12TK1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Isolator Switch - ISOSW1 x EC-Vent control board1 x MWS 1.5 – Transformer Controller With Motor Protection1 x BEAS-control module2 x Envirovent G4 Filter - SL-G4/F71 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Vent Axia T-Series Controller1 x Transformer (silent) speed controller - RE 3.0 Amp1 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 Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x TG-K Duct temperature sensor1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Speed Controller - REB51 x Elta Wall Cowl SWC35/401 x GRA-100 External Grill by S&P1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/311 x REB-CVF 0-10v Controller1 x CBM 9-9 550w 4P VR (Open Motor)1 x MTP 10, 10K, Speed control1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Vent Axia Silent 100T (TIMER)1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Speed Controller - REB12 x Mini Diffuser - 100mm1 x Elta - Room Sensor - Temp/Humid/C021 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x PIR Sensor - PIR41 x CBT-100N Centrifugal1 x Contactor Interface Station - CI91 x CBA-100 Inlet Flange for CBT-1001 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Silentub - STUB 1001 x Potentiometer EGH 01 - for DDMP Fans1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan
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Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Incredible, Perfect, Silent and Fast delivery ! Thanks "Just...