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)
2 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Circular Ceiling Diffuser - TST 1251 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x ELTA - Three Phase Transformer 3amps1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FRQ5-10A Inverter Speed controller1 x ELTA - Three Phase Transformer 10amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x NKS-D swirl diffuser v-300 x 300mm1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta 10 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 1.5KW1 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 075 52 Frequency Inverter (IP20)1 x FU 22 25 Frequency Inverter1 x FU 15 40 Frequency Inverter1 x Helios TSD 5.5 Transformer Speed Control (400v)1 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 Versio Square Ceiling Diffusers - RS141 x Electronic extractor fan speed controller - FSC 1.51 x JSR 200 Painted RAL50181 x Curved Blade Grille 600x600 (2way blow)1 x ELTA - Single Phase Transformer 2amps1 x Round ceiling diffuser 400mm1 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1001 x Circular Ceiling Diffuser - TST 2001 x PCA Diffuser - PCA-3151 x Round ceiling diffuser 250mm1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 16amps1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Round ceiling diffuser 300mm1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 200mm1 x EC6H - Reversible Group Fan Electronic Controller1 x Balance S Diffuser - NO RING - 100mm1 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x COM-31 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 12amps1 x Airvent ceiling fan controller1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x ELTA - Single Phase Transformer 10amps1 x Remote Timer Control - 13511 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x Run On Timer - 5s - 4hrs - RT5A1 x Time Delay Unit - DT20B1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO 149-ACO1/EDV1 x CONTROL ECOWATT - Basic1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EM30-24 Electro-Mechanical Control Panel1 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x EC-Vent Room Unit1 x EM30-24 Control Panel Commissioning Service1 x Contactor Interface Station - CI91 x CO2 Room Sensor - CO2-R1 x KBA- Inlet Mounting 2251 x CBT-170 Centrifugal1 x Economy Airvent 100mm Fan with Timer1 x Economy Airvent 150mm Fan With Pullcord & Shutters2 x DV-ROF-V-225 Roof mounted unit1 x DPD 12PM Delivery Surcharge1 x Same Day Shipping Surcharge - City Sprint1 x Manrose Window Extractor - WF150AP1 x AL 315 D2 01 - High Performance Long Cased Axial Fan (3 phase)1 x Northern Ireland Pallet Surcharge1 x DV-ROF-V-315 Roof mounted unit1 x Manrose 150mm - XF150BHP1 x Economy Airvent 150mm Fan1 x Manrose 150mm - XF150BP1 x Manrose T12 STANDARD Transformer- T12S1 x 18M - 80mm PVC flexible ducting1 x DPD 10:30AM Delivery Surcharge1 x ME04F063LC1AF1 x Economy Airvent 100mm Fan with Timer/Humidistat/Pullcord1 x DPD SATURDAY Delivery Surcharge1 x Pallet Delivery Surcharge1 x Manrose T12 TIMER Transformer- T12T1 x Control board kit Smarty 4X P 1.1 F2 Fan 230V1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x CTVT/4-400 High Temp Roof Fan - 51369260001 x Economy Airvent 100mm Fan with Timer & Shutter1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Redelivery Charge1 x Manrose XF100HTLVT- Clearance1 x CBTR/2-451-4kw1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x Capacitor 2uf for use with the EBM A4E range1 x Fresh Air control carbon filter - 125mm1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x International Shipping Surcharge1 x HPA Heavy Duty Flexible Ducting - HPA300-FD51 x LF-ME04F071LC3AC1 x Helios DDF-200 Roof Cowl1 x Carriage for Scottish Highlands1 x MTP 10, 10K, Speed control1 x CBT-100N Centrifugal1 x CBA-100 Inlet Flange for CBT-100
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Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29
Unbelievable! With TDmixvent500: noise reduction minimum 50%...