• 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 Elta Variable Speed Drive IP66 - 7.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x ELTA - Three Phase Transformer 10amps1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Single Phase Transformer 2amps1 x Electronic extractor fan speed controller - FSC 1.51 x EC6H - Reversible Group Fan Electronic Controller1 x EFSC-3N- Single Phase Speed Control1 x Elta 3 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x Elta 2 Amp Electronic single phase speed controller.1 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 8amps1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 12amps1 x AIRVENT speed control - AIR4019611 x ELTA - Single Phase Transformer 4amps1 x Airvent ceiling fan controller1 x EFSC-6N- Single Phase Speed Control1 x TTC-2000 Three phase electric heater controller1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Elta ACO Panel 149-ACO14E1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Speed Controller - REB51 x EC-Vent Room Unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x EM30-24 Control Panel Commissioning Service1 x Elta Wall Cowl SWC35/401 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ-10A V2 Inverter Speed controller1 x Helios VDS-7 Three Phase Transformer 5-Step1 x FU 22 25 Frequency Inverter1 x FU 15 40 Frequency Inverter1 x Frequency converter FU 075 14 - IP661 x FU 075 52 Frequency Inverter (IP20)1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta 10 Amp Electronic single phase speed controller.1 x Frequency converter RUCK - FU 075 201 x FRQ5-10A Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Elta 6 Amp Electronic single phase speed controller.2 x COM-31 x Remote Timer Control - 13511 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x Run On Timer - 5s - 4hrs - RT5A1 x ELTA - Single Phase Transformer 10amps1 x Isolator Switch - ISOSW1 x Time Delay Unit - DT20B1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x MWS 1.5 – Transformer Controller With Motor Protection1 x BEAS-control module1 x CONTROL ECOWATT - Basic1 x REB-CVF 0-10v Controller1 x Speed Controller - REB11 x UB47- Universal Insulated Terminal1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Helios TSW 7.5 Amp Transformer speed controller1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Push Timer Switch - ZA41 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Helios ZNE Electronic Fan Overrun Timer
BD7/7 centrifugal M4 0.13Kw
BD7/7 centrifugal M4 0.13Kw
£ 345.00 now £ 300.00
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 ...