Non Return Valves & Shutters

Non Return Shutters

Displaying 1 to 13 (of 13 products)
Backdraft Dampers - BDP
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
Backdraught Shutters 039-SFSV-63/71
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
BDS 200/250 RA b/d shutter
BDS 200/250 RA b/d shutter
£ 56.26
BDS 200/250 RA b/d shutter...
BDS 300/315 RA b/d shutter
BDS 300/315 RA b/d shutter
£ 68.76
BDS 300/315 RA b/d shutter...
BDS 350 RA b/d shutter
BDS 350 RA b/d shutter
£ 85.84
BDS 350 RA b/d shutter...
BDS 400/450 RA b/d shutter
BDS 400/450 RA b/d shutter
£ 90.79
BDS 400/450 RA b/d shutter...
BDS 500/560 RA b/d shutter
BDS 500/560 RA b/d shutter
£ 108.94
BDS 500/560 RA b/d shutter...
BDS 630/710 RA b/d shutter
BDS 630/710 RA b/d shutter
£ 137.27
BDS 630/710 RA b/d shutter...
BDS 800 RA b/d shutter
BDS 800 RA b/d shutter
£ 163.53
BDS 800 RA b/d shutter...
Flanged Damper 019-0250-STD
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...
Helios Condense Collector
Helios Condense Collector
£ 163.77
Helios Condense Collector...
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Fans
£ 177.45
JCA 560 - Back Draft Shutter for CRHB/CRHT Roof Mounted Units...
VKS 355-500 Automatic shutter
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...
Displaying 1 to 13 (of 13 products)
1 x JCC-560 - ADAPTER FOR CIRCULAR DUCT - for CTHB/T Roof Fans,1 x Purlin Box 630/710 for RAW Cowls1 x Elta Quietflow Twin SQT125-1ECL1 x HRST/6-710-24 BZ C Rotorex Sickle bladed fan1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x Ducted Outlet Option for H14 - HAP5001 x Inclined Curb support BI-3 for TH-5001 x Frequency converter RUCK - FU 075 201 x Systemair AW Sileo 710-DS1 x Helios HQW-710/6 - IP551 x DV-ROF-V-225 Roof mounted unit1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x Belt Drive Cased Axial Fan - 500mm - L version1 x Elta SLC500/2A-3AC - IP551 x Kitchen Grille with Grease Filter - 300x300 - NO GRILLE BOX1 x Helios HRFW 500/41 x Elta SLC500/2B-3AC - IP551 x CBP-DC 18/181 x Soler & Palau HXM-300mm1 x CBT-60N Centrifugal1 x AXCBF 250D2-32 Bifurcated Axial Fan1 x CBP-DC 15/151 x CBB-100N Centrifugal1 x CBB-80N Centrifugal1 x CBT-100N Centrifugal1 x Acopel F400-315/1601 x Elta Standard Ambient Flexible Connector - 400mm1 x Acopel F400-280/1601 x Acopel F400-450/1601 x Acopel F400-710/1801 x Metal Inline Fan - VENT-355N1 x CBMT/Q 400-55 1 HEATER KIT1 x AirTrak Heater-315mm1 x SEL355/4-1AC1 x Helios HQW-630/6 - IP551 x Elta SCP630-1EC - IP551 x AxZent 400 D2 High Temp Kitchen exhaust Fan1 x AL 315 Mounting Feet (Pair)1 x 220x90mm Elbow Plenum with 160mm Spigot1 x IK - Inspection Door & Drain Plug for TLZ 450 R1 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x Etamaster EM 150 L EC 01 inline mix-vent fan1 x HV-RC 230mm (With Wall Kit)1 x Elta SLC900/4A-3AC - IP551 x ACO3/BD Changover Panel (Three Phase)1 x Elta SLC630/4A-3AC - IP551 x Soler & Palau TCBB/4-450/H - IP651 x Compact SCD630/4-3AC1 x Soler & Palau TCBB/4-630/L - IP651 x Soler & Palau - Contra Rotating TCBTx2-450 - IP651 x MV EC 150 Multivent1 x Elta SLC630/4-1AC - IP551 x 110 x 54mm Vertical 90 Degree Bend1 x HV Wall Mounted Belt Drive Fan 1000mm 400V / 50Hz 0.75kW - Three Phase1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x Etaline Max-Fan - 315mm - E2 011 x Acoustic MiniBox Fan - MINI-BOX 1001 x Jetflow Silent SJMF-S 200-1EC1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT560/4-3AC1 x Soler & Palau TCBT/4-560/L - IP651 x Soler & Palau TCBT/6-355/H - IP441 x HRB/4-450-35-BPN1 x 150mm - 200mm Round Reducer1 x Differential Pressure Switch - 20 - 300 Pa - IP541 x DTV200 - Differential Pressure Switch1 x 2mtr Round Ducting - 150mm1 x Airvent Ceiling Sweep Fan - 48 inch - 4441231 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Impeller Side Guard - 560mm1 x AL 710 D4 01 - High Performance Long Cased Axial Fan1 x Airvent Ceiling Sweep Fan - 56 inch - 4441241 x Hydor Typhoon Circulation Fans - HVFB - 300mm1 x Flexible PVC Ducting - 220x901 x Belt Drive Cased Axial Fan - 710mm - L version1 x Helios GigaBox 450mm GBD 450 centrifugal - EC Motor1 x 220x90mm Rectangular to 150mm Round Adaptor1 x Impeller Side Guard - 710mm1 x 220x90mm 90 Degree Vertical Bend1 x IRT/4-450 Inline Rectangular Duct Fan1 x F7/G4 filter kit for IDEO HR unit1 x ASF 355-500 inlet flange DVS1 x FSD-TD 350 x 350 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x 316 Grade Stainless Steel Flat Bar Flange - 400mm1 x BDS 350 RA b/d shutter1 x DDMP 09/09 Mounting Flange1 x FSD-TD 180mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x BDS 500/560 RA b/d shutter1 x Elta SCP560-1EC - IP55
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 41.95

Well made and robust, but it was not use for my application ...