• 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 Single Deflection Grille 400mm with OBD damper1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Mini Diffuser - 100mm1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3001 x Transformer 5 Speed Controller - ATC1-2TK2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Transformer 5 Speed Controller - ATC1-4TK2 x Systemair Save Connect 2.0 Internet Module1 x Helios TSW 1.5 Amp Transformer speed controller1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Helios HQW-200/2 - IP551 x Elta 6 Amp Electronic single phase speed controller with TK1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Speed Controller - REB31 x Airvent ceiling fan controller1 x WS - Reversing Switch from Helios Fans1 x TTC-2000 Three phase electric heater controller1 x Transformer (silent) speed controller - RE 1.5 Amp2 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Multileaf Volume Control Dampers -500/500 Rectangular Flanged1 x Elta ACO Panel 149-ACO14E1 x REB-CVF 0-10v Controller1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x Electronic extractor fan speed controller - FSC 1.51 x EC-Vent control board1 x Speed Controller - REB1-N1 x Elta ACO Panel 149-ACO18B1 x ACO 149-ACO1/EDV1 x MTP 10, 10K, Speed control1 x EC-Vent Room Unit1 x EM30-24 Control Panel Commissioning Service1 x PIR Sensor - PIR41 x UB47- Universal Insulated Terminal1 x Vent Axia Silent 100T (TIMER)1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta 3 Amp Electronic single phase speed controller.1 x Speed Controller - REB2.5-N1 x Transformer Speed Control - RTRE- 1.5Amp1 x Elta - Room Sensor - Temp/Humid/C021 x FRQ-10A V2 Inverter Speed controller1 x Speed Controller - REB161 x GENIOX 11 Internal Mounted Unit1 x Helios RR-250-C Centrifugal inline fan1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Duct Termination with Mesh - 450mm1 x Duct Termination with Mesh - 150mm1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x DEF-140T Inlet Guard for the CBT-100N1 x CAD-COMPACT 900 ADVANCED N8 - MVHR unit1 x RUCK MTP 20, 10K, Speed control1 x GENIOX 11 Roof Mounted External Unit1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x Spiral Ducting 1 meter - 200mm1 x CS2 Current Switch1 x Temperature Fan Speed Controller - ATCP4-FLS1 x EC6H - Reversible Group Fan Electronic Controller1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Transformer Speed Control - RTRE- 5.0Amp1 x Elta 6 Amp Electronic single phase speed controller.1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Elta SCP500/4-1AC - IP551 x CAD-COMPACT 500 ADVANCED N8 - MVHR unit1 x Elta SLC500/4B-1AC - IP551 x Spare filter for Energi Sava 380 HR unit1 x ELTA - Single Phase Transformer 8amps1 x 204x60mm Rectangular to 100mm Round Adaptor1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x D2E-146-AP47-751 x Run On Timer - 5s - 4hrs - RT5A2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT1 x Helios TSW 7.5 Amp Transformer speed controller1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-8TK1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x Vent Axia ACM 125 inline mixed flow duct fan1 x MV-B Dual Switch for use with Helios HQW plate fans,2 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x Isolator Switch - ISOSW1 x TG-K Duct temperature sensor1 x MWS 3 – Transformer Controller With Motor Protection
BD9/9 centrifugal M4 0.35Kw
BD9/9 centrifugal M4 0.35Kw
£ 399.00 now £ 350.00
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 ...