• Model:FSAF-400

FSAF400B1DA Silencer 450/8

£ 219.23 (excl. VAT)

£ 263.08 (inc. VAT)

Circular attenuator suitable for direct connection to 400mm cased axial fans

Construction comprises galvanised steel outer casing, end rings fitted with tapped inserts to suit the relevant fan drilling detail. Inner bore is manufactured from perforated galvanised steel spiral tube retaining a 45 kg /m³ density acoustic media with a surface particulate membrane.
1 x Spiral Duct Grille Termination - 125mm1 x FK 125 Fast Clamp1 x Female Ducting Connector - 125mm1 x Anti Vibration Duct Suspension Rings - 125mm1 x Duct Fast Clamps - 125mm1 x Flanged Spigot - 125mm1 x Spiral Rapid Lock Clamp - 125mm1 x HRFD 400/4 EX Atex Rated 400mm Cased Axial Fan 400v1 x HRFD 315/4 EX Atex Rated 315mm Cased Axial Fan 400v1 x Elta EC Electronic Controller1 x TCBT/4-710/H EXDIIBT4 ATEX1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX400/2-3 Three Phase1 x TCBT/4-630/H EXDIIBT4 ATEX1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX500/4-3 Three Phase1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX450/2-3A Three Phase1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX400/4-3 Three Phase1 x HRFD 250/4 EX Atex Rated 250mm Cased Axial Fan 400v1 x HRFD 315/2 EX Atex Rated 315mm Cased Axial Fan 400v1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX500/2-3B Three Phase1 x GB-WSD 450 Weather Protection hood for the Giga-Box Fans - 450mm1 x 204x60mm Elbow Bend with 125mm Fixed Spigot1 x Galvanised Banding1 x Female Ducting Connector - 80mm1 x GB-WSD 355 Weather Protection hood for the Giga-Box Fans - 355mm1 x Spiral end cap - 80mm1 x Spigot plate - 710mm1 x Backdraught Shutters 039-SFSV-63/711 x ACO-TK-ADS Auto Changeover Panel - Single Phase1 x Soler & Palau - HCBB/6-355/H - IP651 x GB-WSD 400 Weather Protection hood for the Giga-Box Fans - 400mm1 x 204x60mm x 1000mm Long Hi-Flow Duct Silencer1 x GB-WSG 450 External Weather Louvers for the Giga-Box Fans - 450mm1 x Spiral Ducting 1 meter - 560mm1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 500mm1 x Belt Drive Cased Axial Fan - 800mm - L version
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...