• Model:FSAF-2

FSAF400C2DB Silencer 450/8

£ 409.58 (excl. VAT)

£ 491.50 (inc. VAT)

Circular attenuator suitable for direct connection to 400mm 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

Customers also purchased...

2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ-10A V2 Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 0.75KW2 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x FRQ5-10A Inverter Speed controller1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FU 075 04 Frequency Inverter (IP20)1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x ELTA - Three Phase Transformer 10amps1 x ELTA - Three Phase Transformer 3amps1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm2 x Electronic extractor fan speed controller - FSC 1.51 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1251 x EC6H - Reversible Group Fan Electronic Controller1 x PCA Diffuser - PCA-3151 x Elta 2 Amp Electronic single phase speed controller.1 x Circular Ceiling Diffuser - TST 2002 x Elta 3 Amp Electronic single phase speed controller with TK1 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50181 x ELTA - Single Phase Transformer 8amps1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Airvent ceiling fan controller1 x Elta 3 Amp Electronic single phase speed controller.1 x EFSC-3N- Single Phase Speed Control2 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 12amps1 x Circular Ceiling Diffuser - TST 1604 x COM-31 x ELTA - Single Phase Transformer 4amps2 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 200mm1 x Balance S Diffuser - NO RING - 100mm1 x Round ceiling diffuser 300mm1 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps1 x Round ceiling diffuser 350mm1 x Run On Timer - 5s - 4hrs - RT5A2 x Remote Timer Control - 13513 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer4 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x MWS 1.5 – Transformer Controller With Motor Protection1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x CONTROL ECOWATT - Basic1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent control board1 x ACO 149-ACO1/EDV1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6302 x Systemair Save Connect 2.0 Internet Module1 x EC-Vent Room Unit2 x REB-CVF 0-10v Controller1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x EM30-24 Control Panel Commissioning Service1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x MTS10- extractor fan 3 step switch1 x Elta Wall Cowl SWC56/631 x GRA-100 External Grill by S&P1 x Elta Louvre Shutter - 400mm2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan3 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Speed Controller - REB51 x PIR Sensor - PIR21 x PIR Sensor - PIR41 x UB47- Universal Insulated Terminal1 x Speed Controller - REB11 x Mini Diffuser - 100mm1 x Elta - Room Sensor - Temp/Humid/C021 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan3 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 REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Helios TSW 7.5 Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-8TK2 x Helios TSW 3 Amp Transformer speed controller1 x Transformer 5 Speed Controller - ATC1-10TK2 x Helios TSW MCB Amp Transformer speed controller2 x Vent Axia ACM 100 inline mixed flow duct fan2 x Vent Axia ACM 125 inline mixed flow duct fan2 x CS2 Current Switch1 x TG-K Duct temperature sensor2 x MWS 3 – Transformer Controller With Motor Protection1 x BEAS-control module2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)2 x Helios HQW-200/2 - IP551 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Envirovent G4 Filter - SL-G4/F71 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x WS - Reversing Switch from Helios Fans1 x Vent Axia T-Series Controller1 x Helios HQW-630/4 - IP551 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Helios HQW-200/4 - IP551 x Transformer (silent) speed controller - RE 5.0 Amp1 x REE-1 Electronic Speed Controller1 x MTP 10, 10K, Speed control1 x Helios HQW-250/4 - IP551 x Jet Cowl - 315mm1 x QPTW 250C Acoustic Twin Fan with Controller1 x RDS 11 Helios Transformer Controller With Motor Protection1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
£ 132.29

Unbelievable! With TDmixvent500: noise reduction minimum 50%...