• 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 FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Airvent ceiling fan controller4 x Speed Controller - REB103 x Transformer Speed Control - RTRE- 7.0Amp3 x Elta Variable Speed Drive IP66 - 0.75KW2 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Quietflow SQS400-1ECL - Centrifugal Box Fan3 x Helios HQW-200/4 - IP551 x Remote Timer Control - 13511 x Multiflow SMB550/4-1AC5 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x 7 Day Programmable TIMECLOCK1 x TG-K3/NTC10-01 - Duct temperature sensor2 x Isolator Switch - EFF-ISO1 x Transformer (silent) speed controller - RE 3.0 Amp1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3555 x Helios HQW-315/4 - IP554 x MTP 10, 10K, Speed control1 x EC6H - Reversible Group Fan Electronic Controller2 x Speed Controller - REB52 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x CBA-60 Inlet Flange for CBT-602 x Elta Variable Speed Drive IP66 - 2.2KW1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x TG-R room temperature sensor3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)4 x REB-CVF 0-10v Controller2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Vent Axia T-Series Controller2 x Speed Controller - REB1-N2 x CBM 9-9 550w 4P VR (Open Motor)3 x Transformer Speed Control - RTRE- 1.5Amp1 x Transformer Speed Control - RTRE- 12.0Amp4 x SG-200 Fan Guard for the HQW 2001 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x EBM-Papst D4E225-BC01-17 Double inlet1 x Elta Wall Cowl SWC56/632 x MTS10- extractor fan 3 step switch1 x Vent Axia Silent 100T (TIMER)1 x TD Mixvent 800/200 EEXEIIT31 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x TUNE-R-200-3-M1 - Control Damper1 x Transformer (silent) speed controller - RE 5.0 Amp2 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x QPTW 250C Acoustic Twin Fan with Controller1 x Speed Controller - REB81 x Helios TSW 7.5 Amp Transformer speed controller1 x RDH FLEX-SQUARE - ADH/RDH 04502 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x Helios HQW-250/4 - IP551 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x RDS 11 Helios Transformer Controller With Motor Protection1 x REE-2 Electronic Speed Controller2 x PIR Sensor - PIR21 x Vent Axia ACM 200 inline mixed flow duct fan1 x Helios TSW 1.5 Amp Transformer speed controller1 x MWS 1.5 – Transformer Controller With Motor Protection1 x DDMP 12-12 3F 1810W M6A4 DG01 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Elta 10 Amp Electronic single phase speed controller.1 x Compact SCD450/4-1AC1 x GRA-100 External Grill by S&P1 x FRQ5-10A Inverter Speed controller2 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Elta Wall Cowl SWC35/401 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Speed Controller - REB11 x DDMP 10-08 3F 2210W M6A4 DG01 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Elta Louvre Shutter - 400mm1 x Elta 6 Amp Electronic single phase speed controller.1 x Transformer 5 Speed Controller - ATC1-4TK1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x WS - Reversing Switch from Helios Fans1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/311 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x DEF-CBM-RE-7 - Protection Guard1 x EBM-Papst D3G133-BF05-14 Double inlet1 x UB47- Universal Insulated Terminal1 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Silent 100 Window Kit - windowS1 x CBT-100N Centrifugal1 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x PIR Sensor - PIR41 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x VTR 300 STD Filter Kit1 x CBA-100 Inlet Flange for CBT-100
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