• Model:FSAF-5

FSAF500C2DB Silencer 541/12

£ 426.64 (excl. VAT)

£ 511.97 (inc. VAT)

Circular attenuator suitable for direct connection to 500mm 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. Fitted with a centrally mounted cylindrical acoustic pod with aerodynamic end domes.

Frequency    Hz 63 125 250 500 1K 2K 4K 8K
Insertion Loss dBW 3 5 8 16 17 17 17 10
1 x HXP450/4-1 - 4 Pole - Single Phase1 x Elta SCP450/4-1AC - IP551 x HCBT/4-450/H - B FLOW1 x HXP450/4-3 - 4 Pole - Three Phase1 x Helios HQW-450/6 - IP551 x HXP450/6-1 - 6 Pole - Single Phase1 x Dynair QCM 454 T - 3 phase1 x Hydor HPA450/6-1A1 x HQD 450/4/4 TK Plate Axial Fan (4-pole)1 x Elta SPA450/46-3AC - IP541 x Elta SPA450/4-1AC - IP541 x HRB/4-450-35-BPN1 x HRT/4-450/35-BPN1 x Helios HQW-450/4 - IP551 x Flakt Woods - JM Aerofoil - 45JMP/16/4/5/3/3ph Plate Fan1 x Elta SCP450/4-3AC - IP551 x HCFB/4-450mm plastic impeller plate fan1 x HCFT/4-450mm plastic impeller plate fan1 x HRB/6-451/20-BMVPN - Special Offer1 x Hydor HPA450/4-1A1 x HXP450/6-3 - 6 Pole - Three Phase1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps1 x Electronic extractor fan speed controller - FSC 1.51 x EC6H - Reversible Group Fan Electronic Controller1 x Elta 2 Amp Electronic single phase speed controller.1 x Airvent ceiling fan controller1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 12amps1 x Elta 3 Amp Electronic single phase speed controller.1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x COM-31 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps1 x MWS 1.5 – Transformer Controller With Motor Protection1 x WS - Reversing Switch from Helios Fans1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Speed Controller - REB31 x MTP 10, 10K, Speed control1 x Helios HQW-315/4 - IP551 x Transformer Speed Control - RTRE- 5.0Amp1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x Helios TSW 3 Amp Transformer speed controller1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x CS2 Current Switch1 x Three Phase Transformer controllers - RMT 2.5 Amp1 x MWS 3 – Transformer Controller With Motor Protection
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

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