• Model:FSAF-400

FSAF400B1DA Silencer 450/8

£ 219.23 (excl. VAT)

£ 263.08 (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.
1 x ENV 100 12v transformer SELV2 x MWS 1.5 – Transformer Controller With Motor Protection1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 2amps2 x Electronic extractor fan speed controller - FSC 1.53 x EC6H - Reversible Group Fan Electronic Controller2 x Elta 3 Amp Electronic single phase speed controller with TK2 x Airvent ceiling fan controller2 x Elta 2 Amp Electronic single phase speed controller.2 x Elta 3 Amp Electronic single phase speed controller.3 x Elta 6 Amp Electronic single phase speed controller with TK2 x ELTA - Single Phase Transformer 16amps1 x ELTA - Single Phase Transformer 8amps1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x ELTA - Single Phase Transformer 4amps2 x AIRVENT speed control - AIR4019611 x COM-31 x EFSC-6N- Single Phase Speed Control2 x Elta 6 Amp Electronic single phase speed controller.1 x Run On Timer - 5s - 4hrs - RT5A3 x Remote Timer Control - 13512 x Push Timer Switch - ZA42 x Helios ZNE Electronic Fan Overrun Timer3 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x 7 Day Programmable TIMECLOCK3 x Systemair Save Connect 2.0 Internet Module2 x ACOAS/ AC/EC Auto Changeover 8Amp2 x ACO8AC/EC AutoChangeover panel2 x PIR Sensor - PIR22 x PIR Sensor - PIR41 x Vent Axia Silent 100T (TIMER)1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board2 x EM30-24 Electro-Mechanical Control Panel1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x CONTROL ECOWATT - Basic1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x ACO 149-ACO1/EDV1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Elta ACO Panel 149-ACO18B1 x EC-Vent Room Unit2 x EM30-24 Control Panel Commissioning Service1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC25/311 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x Elta Wall Cowl SWC45/501 x Jet Cowl - 315mm1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Spiral Ducting 1 meter - 200mm2 x Mini Diffuser - 100mm1 x DEF-140T Inlet Guard for the CBT-100N1 x Same Day Shipping Surcharge - City Sprint1 x Northern Ireland Pallet Surcharge1 x DPD 12PM Delivery Surcharge1 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x DPD 10:30AM Delivery Surcharge1 x Economy Airvent 100mm Fan with Timer1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 150mm2 x DV-ROF-V-225 Roof mounted unit1 x D2E-146-AP47-751 x Pallet Delivery Surcharge2 x Small Centrifugal Fans CBM/2-133/190 185w1 x 150mm Round Equal T Piece1 x DPD SATURDAY Delivery Surcharge1 x Manrose T12 STANDARD Transformer- T12S1 x Helios DDF-200 Roof Cowl1 x Small Centrifugal Fan - CBM/4-160/150-125 W1 x CMT-2 180/75 0.75KW - Single inlet centrifugal fan with inlet and outlet flange connections - 200mm1 x D2E146-AP47-331 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Economy Airvent 100mm Fan with Timer/Humidistat/Pullcord1 x Small Centrifugal Fan - CBM/4-180/184-150 W1 x Control board kit Smarty 4X P 1.1 F2 Fan 230V1 x 18M - 80mm PVC flexible ducting1 x Manrose 150mm - XF150BHP1 x D2E146-AP47-C11 x EBM-Papst D3G160-BP03-15 Double inlet1 x Manrose 150mm - XF150BP1 x Carriage for Scottish Highlands1 x CTVT/4-400 High Temp Roof Fan - 51369260002 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan4 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Elta Variable Speed Drive IP66 - 2.2KW2 x Remote controller FLEX - for VEKO INT2 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 0.75KW1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 075 52 Frequency Inverter (IP20)1 x FRQ-10A V2 Inverter Speed controller1 x Transformer 5 Speed Controller - ATC1-2TK1 x Helios TSD 3.0 Transformer Speed Control (400v)2 x Elta Variable Speed Drive IP66 - 7.5KW4 x Transformer 5 Speed Controller - ATC1-4TK2 x Helios TSW 7.5 Amp Transformer speed controller1 x FU 22 04 Frequency Inverter1 x Frequency converter RUCK - FU 075 211 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 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 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 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW2 x Elta Variable Speed Drive IP66 - 1.5KW1 x NKS-D swirl diffuser v-300 x 300mm3 x Vent Axia ACM 150 inline mixed flow duct fan1 x Circular Ceiling Diffuser - TST 1252 x Helios TSW 3 Amp Transformer speed controller1 x Balance S Diffuser - NO RING - 125mm2 x Helios TSW 1.5 Amp Transformer speed controller1 x Balance S Diffuser - NO RING - 100mm1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Round ceiling diffuser 350mm1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Speed Controller - REB11 x Transformer Speed Control - RTRE- 7.0Amp2 x UB47- Universal Insulated Terminal1 x DDMP 12-12 3F 1810W M6A4 DG01 x Transformer Speed Control - RTRE- 5.0Amp1 x MTS10- extractor fan 3 step switch1 x Transformer Speed Control - RTRE- 1.5Amp1 x QPTW 250C Acoustic Twin Fan with Controller1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x GENIOX 11 Internal Mounted Unit1 x CO2 Room Sensor - CO2-R1 x Contactor Interface Station - CI91 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x RS 80-50 L3 sileo. Centrifugal Rectangular Duct Fan1 x SAVE VSR 300 heat recovery unit1 x WSD 100 (1060x1060x70)1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x Elta SCP400/4-1AC - IP551 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x CBB-60N Centrifugal1 x Duct Termination with Mesh - 150mm1 x 100mm Round Connector with Damper1 x CBM 7/7 147w 4P RE-VR1 x ACO3TO-ADS-VFC-7.1A1 x GENIOX 11 Roof Mounted External Unit1 x RUCK MTP 20, 10K, Speed control1 x CBA-100 Inlet Flange for CBT-1001 x DDMP 10-10 1F 1000W M6A2 DA51 x CBP-9/7-RC1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x SPI-200 C Iris damper1 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x Universal Pipe Fixing Clip1 x CBS-100 Outlet Flange for CBT-1001 x CBM 9/7 4p 420W RE-VR1 x Spiral end cap - 80mm1 x CBP-7/7-RC1 x GRA-100 External Grill by S&P1 x Quietflow SQS250-1ECL - Centrifugal Box Fan1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x Potentiometer EGH 01 - for DDMP Fans1 x Vent Axia T-Series Wall Model TX9WL1 x Chaysol DA 9/9 3 speed1 x CBM 7/9 6p 72W RE-VR1 x CBT-100N Centrifugal ATEX II 2G Exe II T31 x CBM Low Pressure Centrifugal Fan - CBM 7/7 6 Pole 72watt CVR1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x DDMP 09/07 Mounting Flange1 x MV-Silent 250 Bathroom Extractor Fan Kit - Standard - No Timer1 x Air Quality Sensor - AQS1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x Helios VARW 450/4 - TK1 x Chaysol da 9-7 - 3 Speed1 x Vent Axia W300310 Controller Electronic 1.5A1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 100mm1 x Impeller Side Guard - 800mm1 x DDMP 10-10 FLANGE1 x AL 1120 Mounting Flange1 x CFI Lite 600 Carbon Filter1 x Spiral Ducting 1 meter - 355mm1 x Elta SPA400/4-1AC - IP541 x Elta SCP315/4-1AC - IP551 x FAST-TRACK RANGE 75mm - Straight Connector1 x Elta SCP630/4-1AC - IP551 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x DDMP 12-12 FLANGE1 x Ancillary Pack for SB-Biflow 250 model1 x RDH Flange - 02001 x FAST-TRACK RANGE 90mm - Seal Ring (1 bag of 10)1 x Purlin Box 630/710 for RAW Cowls1 x Ducting T Piece Equal - 80mm1 x 100mm Round Connector1 x Traditional T-Series Window Fan - TX12WW1 x Jetflow-HIT Metal inline - 100mm1 x Acoustic Box Fans (Inline) - CAB-1001 x JETLINE-100 ECOWATT - In Line Centrifugal Duct Fan1 x Ducting 90 Degree Bend - 80mm1 x Elta Standard Ambient Flexible Connector - 315mm1 x Impeller Side Guard - 630mm1 x 100mm Round Equal T Piece1 x JMS-3001 x Differential Pressure Switch - 20 - 300 Pa - IP651 x CAB-125 ECOWATT Energy Efficient Acoustic Box Fan1 x CBMT/Q 315-90 3 HEATER KIT1 x LINEO 250 QUIET1 x CRBB/3-190/060M EC 1HO MP - External Rotor Motor Radial Fans1 x LF-ME04F071LC3AC1 x 1mtr Round Ducting - 100mm1 x CPTA-E Flush mounted PIR sensor with timer1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Transformer 5 Speed Controller - ATC1-8TK1 x Transformer 5 Speed Controller - ATC1-10TK1 x TDP-D Pressure Sensor with Display1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x RTRD - Three Phase Speed Controller - 2 Amp2 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Temperature Controller - EDTW1 x Helios TSW 0.3Amp Compact Transformer speed controller1 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Circular Ceiling Diffuser - TST 1001 x Helios TSW 10 Amp Transformer speed controller1 x Circular Ceiling Diffuser - TST 1602 x CS2 Current Switch1 x Vent Axia ACM 100 inline mixed flow duct fan1 x Round ceiling diffuser 200mm3 x Vent Axia ACM 125 inline mixed flow duct fan1 x Control with reverse - CR3001 x PCA Diffuser - PCA-2501 x RTRD - Three Phase Speed Controller - 4 Amp2 x MWS 3 – Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x TG-K Duct temperature sensor2 x Helios HQW-200/2 - IP551 x TEM 035 - 5 Speed Transformer Speed Control1 x Envirovent G4 Filter - SL-G4/F71 x Rectangular Airbrick Adaptor1 x Vent Axia T-Series Controller1 x Speed Controller - REB31 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x REE-1 Electronic Speed Controller1 x RTRDU 3 Phase Trickle & Boost 5 Step Speed Controller - 2 Amps1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x Helios HQW-630/4 - IP551 x GX6EC - High Performance Extract Fan1 x TG-R room temperature sensor1 x Speed Controller - REB101 x Helios HQW-200/4 - IP552 x TG-K3/NTC10-01 - Duct temperature sensor2 x WS - Reversing Switch from Helios Fans1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x CBS-60 Outlet Flange for CSB/CBT-601 x Speed Controller - REB61 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven3 x Transformer (silent) speed controller - RE 3.0 Amp1 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box1 x MTV-1/010 Controller 0 to 10V+1 x ERR 31/1 Centrifugal inline fan1 x Two Speed Switch - REGUL-22 x Speed Controller - REB1-N1 x Speed Controller - REB52 x MTP 10, 10K, Speed control1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Control switch - CR1501 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x SG-200 Fan Guard for the HQW 2001 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Vortice Quadro Micro 100 I - Standard Version1 x Helios HQW-315/4 - IP551 x Helios HQW-250/4 - IP551 x TD Mixvent 800/200 EEXEIIT31 x ELM 18 EX Flexible Cuff for ERM 181 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Speed Controller - REB2.5-N1 x RR EC 160 Centrifugal inline fan - Energy Efficient Motor1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x DDMP 09/09 Mounting Flange1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Elta - Room Sensor - Temp/Humid/C021 x Compact SCD450/4-1AC1 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x FRQ5-10A Inverter Speed controller1 x Speed Controller - REB161 x CBA-60 Inlet Flange for CBT-601 x VTR 300 STD Filter Kit1 x CCZ-404-T (three Phase)1 x Compact SCD500/4-3AC1 x TG-K Duct temperature sensor1 x Binks Bullows - Spray Booth Filter1 x VTR 500 STD Filter Kit1 x Flanged Damper 019-0500-STD1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x SDD-U Anti Vibration Pads
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

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