Non Return Valves & Shutters
Non Return Shutters
Displaying 1 to 13 (of 13 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
£ 180.34
Backdraught Shutters 039-SFSV-63/71 Back draft shutter for SSRL 710...
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...
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
£ 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 AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x Biflow SB315-CON2-3 - High Temperature Bifurcated Fan1 x Belt Drive Cased Axial Fan - 800mm - L version1 x FAST-TRACK RANGE 75mm - Semi-Rigid Duct 50M1 x FAST-TRACK RANGE 75mm - Adjustable Air Restrictor1 x Duct Tape - Silver - DTape1 x Belt Drive Cased Axial Fan - 900mm - H version1 x Duct Clamps box of 50 - 60mm - 270mm1 x Soler & Palau - HCBT/4-800/L-AX - IP551 x HCFT/6-800-H plastic impeller plate fan1 x HCFT/4-800mm plastic impeller plate fan1 x FAST-TRACK RANGE 75mm - Straight Connector1 x Soler & Palau - HCBT/4-800/H - IP551 x HPA Heavy Duty Flexible Ducting1 x FAST-TRACK RANGE 75mm - Valve Adaptor 90° 125mm1 x DryFan 8 - DH800 8 Litre Desiccant Dehumidifier1 x Access Door for Circular Duct - 400 x 300 - SIZE 451 x Ancillary Pack for SLC-900 for SLC900/6A-3AC and SLC900/6B-3AC1 x Ancillary Pack for SLC-5601 x Blast Gate (Manual) 125mm1 x SG AW 1000 Guard 6-Pole1 x Elta Cased Axial Flange - 315mm1 x Purlin Box 400/450 for RAW Cowls1 x Soler & Palau - HCBT/6-1000/H - IP551 x Flanged Damper 019-0250-STD1 x Blast Gate (Manual) 300mm1 x HXP500/4-3 - 4 Pole - Three Phase1 x Flanged Spigot - 80mm1 x CBM 12/9 515W RE-VR1 x ELTA - Single Phase Transformer 4amps1 x DA7/9 Feet1 x AL 355 Mounting Feet (Pair)1 x B-flow Impeller HCBB/T-450mm1 x Singleflow SSDL500-1EC1 x HRB/6-500-25-APN1 x "VX100" - Standard Bathroom Axial fan - 100mm1 x KVK SLIM 355 EC - Centrifugal Circular Duct Fan1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x MFA-AR/AXC 315 mounting foot1 x FU 15 40 Frequency Inverter1 x Ancillary Pack for SLC-3151 x Access Door 450mm x 450mm1 x EB-100N T - Centrifugal Fan with Timer1 x Decor 300-CRZ Bathroom Fan1 x Purlin Box 630/710 for RAW Cowls1 x Spiral Ducting 3 Meters - 80mm1 x Elta Cased Axial Flange - 250mm1 x HCFT/4-5001 x EB-100N S - Centrifugal Fan1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x Frequency converter FU 075 14 - IP661 x FRQ-10A V2 Inverter Speed controller1 x DA12/12 Feet1 x HCFB/4-500mm plastic impeller plate fan1 x CBM 9/9 4 Pole 550watt C VR-( Three Phase) CLEARANCE ITEM1 x DA9/9 Feet1 x EBB-250 T DESIGN Centrifugal Extractor Fan1 x B-flow Impeller HCBB/T-355mm1 x FRQ5-10A Inverter Speed controller1 x HRB/4-500-30-APNC1 x Ancillary Pack for SLC-800 for SLC800/6A-3AC
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Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56
I have a loft mount extractor fan which was very noisy. I ...