Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 13 (of 13 products)
VKS 355-500 Automatic shutter
£ 85.00
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...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 177.45
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
Flanged Damper 019-0250-STD
£ 396.97
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...
Backdraught Shutters 039-SFSV-63/71
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
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...
Displaying 1 to 13 (of 13 products)
1 x Spigot plate - 800mm1 x Jetflow-HIT Metal inline - 100mm1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Elta SLC450/4-1AC - IP551 x Round ceiling diffuser 350mm1 x Male Ducting Connector - 630mm1 x CO2 Room Sensor - CO2-R1 x GX6 Wall Kit1 x HV-RC 230mm (With Wall Kit)1 x Ancillary Pack for SLC-900 for SLC900/4B-3AC1 x FU 075 04 Frequency Inverter (IP20)1 x 125mm Insulated 45 Degree Bend1 x Flexible PVC Ducting - 220x901 x 100mm Round 90 Degree Bend1 x Spiral Duct Grille Termination - 630mm1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x QP315C Acoustic Fan - 315mm1 x DV-ROF-V-315 Roof mounted unit1 x CBS-80 Outlet Flange for CBT-801 x TCBT/4-500/H EXEIIT3 ATEX1 x Singleflow SSDL500-3EC1 x Flanged Spigot - 180mm1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x HCFB/4-315mm plastic impeller plate fan1 x FSAF450FTX 450 mounting feet (Pair)1 x Balance S Diffuser - NO RING - 100mm1 x Raptor SDA450/4-1AC1 x Ducting 90 Degree Bend - 160mm1 x Ducting T Piece Equal - 150mm1 x Elta Unpodded Silencer Melinex 2D-450mm1 x AMD 355/2/2 High Pressure Long Cased Axial Fan1 x Spiral Duct Grille Termination - 400mm1 x Hydor HPA315/4-1A1 x Elta Quietflow Twin SQT250-1ECL1 x Duct Suspension Rings - 355mm1 x K 250 L Sileo1 x Helios GigaBox 710mm GBD 710/4 centrifugal1 x Connection Lead for Td ecowatt & PIR sensor1 x Ducting T Piece Equal - 630mm1 x Helios SB-125-C SilentBox Acoustic Inline Fan1 x Ziehl GR40I-ZID.DC.CR plug fan1 x Atex Inline Fan 200mm - ERM22EXE1 x HRB/6-500-25-APN1 x Elta SLC560/4A-3AC - IP551 x Ancillary Pack for SLC-4501 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x Flexible PVC Ducting - 110x541 x Soler & Palau TCBT/6-800/L - IP651 x Elta SCP800/6/8-3AC - IP551 x Soler & Palau TCBT/4-800/H - IP651 x Lindab ILC 250 - Inline Tube Fan1 x HRST/6-800/28-BZ-68 (400V50)C1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x 150mm Round 45 Degree Bend1 x Soler & Palau - HXBR/4-400/H - IP541 x CONTROL ECOWATT - Basic1 x Ducting 30 Degree Bend - 180mm1 x Elta Unpodded Silencer 1D-500mm1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x Hydor Typhoon Circulation Fans - HVFB - 450mm1 x Inclined Kurb support for CTHB/6-4001 x AL 400 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Ancillary Pack for SLC-900 for SLC900/4A-3AC and SLC900/8-3AC1 x HXP500/4-3 - 4 Pole - Three Phase1 x Raptor SDA450/4-1EC1 x HRST/6-800/28-AQ C21 x Decor 300-C Bathroom Fan1 x Soler & Palau - HXBR-200 ECOWATT - IP441 x Eco-Loft Positive Input Ventilation System - PIV Loft Mounted -EVL-HW1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX560/4-3 Three Phase1 x SPI-200 C Iris damper1 x Soler & Palau TCBB/4-450/H - IP651 x Spiral Duct Grille Termination - 80mm1 x Helios SVR EC 160 B – SlimVent Centrifugal Fan Box1 x Gorilla HVLSX401 x Ancillary Pack for SLC-800 for 4 Pole and SLC-800/6B-3AC1 x Helios VARW 450/4 - TK1 x Shoed T Piece Un-Equal -450mm-315mm1 x HRT/4-630/25-BPN E221 x Spiral Ducting 1 meter - 80mm1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX500/4-3 Three Phase1 x Soler & Palau TCBT/4-800/G - IP651 x 220x90mm x 2m Insulated Rectangular Duct1 x 204x60mm Insulated Rectangular Horizontal 90° Bend1 x Curved boot - 450mm1 x Multileaf Volume Control Dampers -500/500 Rectangular Flanged1 x 125mm Insulated 90 Degree Bend1 x Elta SCP630/4-1AC - IP551 x Jetflow-HIT Metal inline - 150mm1 x DOL Starter with Isolator - Three phase1 x Elta Cased Axial Flange - 400mm1 x Ducting 45 Degree Bend - 630mm1 x Hideaway SH150-1ECL1 x FSAF1000C1DA SILENCER 1070/161 x HCFT/4-315mm (B-FLOW) plastic impeller plate fan1 x Male Ducting Connector - 160mm1 x Elta - HTS450/4-1 - Case Mounted Circulating Axial Fan1 x GRA-100 External Grill by S&P1 x Transformer 5 Speed Controller - ATC1-8TK1 x Elta SLC450/2-1AC - IP55
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Transformer (silent) speed controller - RE 1.5 Amp
£ 125.99
Unbelievable! With TDmixvent500: noise reduction minimum 50%...