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)
1 x NKS-D swirl diffuser v-300 x 300mm1 x Elta 10 Amp Electronic single phase speed controller.1 x Circular Ceiling Diffuser - TST 1251 x ELTA - Single Phase Transformer 2amps1 x Round ceiling diffuser 400mm1 x Circular Ceiling Diffuser - TST 2001 x Circular Ceiling Diffuser - TST 1001 x EC6H - Reversible Group Fan Electronic Controller1 x Balance S Diffuser - NO RING - 100mm1 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 1601 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 2 Amp Electronic single phase speed controller.1 x Round ceiling diffuser 300mm1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 200mm1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019612 x Airvent ceiling fan controller1 x Elta 6 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x Run On Timer - 5s - 4hrs - RT5A1 x Time Delay Unit - DT20B1 x Speed Controller - REB31 x TTC-2000 Three phase electric heater controller1 x Transformer (silent) speed controller - RE 1.5 Amp1 x ACO8AC/EC AutoChangeover panel2 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent Room Unit1 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 CBT-100N Centrifugal1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x CBB-60N Centrifugal1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Mini Diffuser - 100mm1 x Chaysol DA 9/9 3 speed1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x Economy Airvent 100mm Fan with Timer1 x Chaysol da 9-7 - 3 Speed1 x DV-ROF-V-225 Roof mounted unit1 x Same Day Shipping Surcharge - City Sprint1 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x DV-ROF-V-315 Roof mounted unit1 x DPD 10:30AM Delivery Surcharge1 x D2E-146-AP47-751 x Manrose 150mm - XF150BP1 x 18M - 80mm PVC flexible ducting1 x Manrose T12 STANDARD Transformer- T12S1 x Acoustic Box Fans (Inline) - CAB-1001 x Manrose 150mm - XF150BHP1 x Economy Airvent 150mm Fan1 x Impeller Side Guard - 800mm1 x Control board kit Smarty 4X P 1.1 F2 Fan 230V1 x Manrose T12 TIMER Transformer- T12T1 x DPD SATURDAY Delivery Surcharge1 x Pallet Delivery Surcharge1 x Economy Airvent 100mm Fan with Timer/Humidistat/Pullcord1 x Chaysol da 9-7 - V7099331 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Round ceiling diffuser 350mm1 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x Speed Controller - REB51 x MWS 5 – Transformer Controller With Motor Protection Unit
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