• 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
2 x MV-B Dual Switch for use with Helios HQW plate fans,1 x MWS 1.5 – Transformer Controller With Motor Protection1 x Remote Timer Control - 13511 x EC6H - Reversible Group Fan Electronic Controller2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Vent Axia T-Series Controller2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven3 x Transformer (silent) speed controller - RE 1.5 Amp4 x Helios HQW-200/4 - IP553 x Transformer (silent) speed controller - RE 3.0 Amp4 x Commercial Single or 3 phase Fan Reversing Switch - RS13 x Airvent ceiling fan controller1 x CBA-60 Inlet Flange for CBT-601 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x REE-1 Electronic Speed Controller1 x Transformer Speed Control - RTRE- 12.0Amp2 x Quietflow SQS400-1ECL - Centrifugal Box Fan4 x Helios HQW-315/4 - IP552 x TG-R room temperature sensor5 x Transformer Speed Control - RTRE- 1.5Amp1 x CBM 9-9 550w 4P VR (Open Motor)1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Elta Wall Cowl SWC56/631 x Speed Controller - REB102 x Speed Controller - REB52 x MTS10- extractor fan 3 step switch2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Isolator Switch - EFF-ISO1 x Elta Wall Cowl SWC35/402 x Elta Variable Speed Drive IP66 - 0.75KW1 x DEF-CBM-RE-7 - Protection Guard1 x Elta Wall Cowl SWC45/501 x GRA-100 External Grill by S&P1 x Transformer Speed Control - RTRE- 7.0Amp4 x SG-200 Fan Guard for the HQW 2006 x QPTW 250C Acoustic Twin Fan with Controller2 x Multiflow SMB550/4-1AC3 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Elta Wall Cowl SWC25/314 x MTP 10, 10K, Speed control1 x Elta Louvre Shutter - 400mm3 x REB-CVF 0-10v Controller2 x Vent Axia Silent 100T (TIMER)1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR2 x Speed Controller - REB1-N1 x TD Mixvent 800/200 EEXEIIT32 x TUNE-R-200-3-M1 - Control Damper2 x Vent Axia ACM 200 inline mixed flow duct fan2 x REE-2 Electronic Speed Controller5 x Speed Controller - REB13 x Elta Variable Speed Drive IP66 - 2.2KW1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x RDS 11 Helios Transformer Controller With Motor Protection2 x EBM-Papst D4E225-BC01-17 Double inlet2 x VTR 300 STD Filter Kit2 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x DDMP 12-12 3F 1810W M6A4 DG01 x Vent Axia SC5001 - Speed controller2 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Elta 10 Amp Electronic single phase speed controller.3 x Helios HQW-250/4 - IP554 x Elta 6 Amp Electronic single phase speed controller.2 x EBM-Papst D3G133-BF05-14 Double inlet4 x PIR Sensor - PIR21 x Speed controller with Reverse - REB-1R1 x Helios TSW 1.5 Amp Transformer speed controller2 x Transformer speed controller - ATC1 - 1.5 Amps3 x CBT-100N Centrifugal1 x Jet Cowl - 315mm1 x Contactor Interface Station - CI92 x RDH FLEX-SQUARE - ADH/RDH 04501 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x FRQ5-10A Inverter Speed controller1 x Silentub - STUB 1001 x Silent 100 Window Kit - windowS3 x Compact SCD450/4-1AC1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x TG-K Duct temperature sensor1 x VEKA INT 2000/15.0-L1 EKO1 x Transformer 5 Speed Controller - ATC1-4TK1 x ERR 20/1 Centrifugal inline fan1 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x UB47- Universal Insulated Terminal1 x Transformer 5 Speed Controller - ATC1-8TK1 x Helios TSW 7.5 Amp Transformer speed controller
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

Look good, works well, except the shaft of the lanellae cuts...