• Model:FSAF-4

FSAF500C2DA Silencer 560/12

£ 519.86 (excl. VAT)

£ 623.83 (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 PIR Sensor - PIR21 x FRQ5-10A Inverter Speed controller2 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW2 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP662 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Helios VDS-7 Three Phase Transformer 5-Step1 x FRQ5-4A V2 Inverter Speed Controller1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 2.2KW1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1002 x Electronic extractor fan speed controller - FSC 1.51 x PCA Diffuser - PCA-3151 x Balance S Diffuser - NO RING - 125mm2 x Elta 3 Amp Electronic single phase speed controller.2 x Elta 6 Amp Electronic single phase speed controller with TK2 x EFSC-3N- Single Phase Speed Control2 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 16amps1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Versio Square Ceiling Diffusers - RS142 x Elta 2 Amp Electronic single phase speed controller.1 x JSR 200 Painted RAL50181 x Round ceiling diffuser 400mm1 x Curved Blade Grille 600x600 (2way blow)1 x EC6H - Reversible Group Fan Electronic Controller2 x Circular Ceiling Diffuser - TST 2001 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 4amps1 x COM-32 x AIRVENT speed control - AIR4019612 x Round ceiling diffuser 200mm2 x ELTA - Single Phase Transformer 12amps1 x Balance S Diffuser - NO RING - 100mm1 x ELTA - Single Phase Transformer 10amps1 x Round ceiling diffuser 350mm1 x PCA Diffuser - PCA-2502 x Elta 6 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)2 x Round ceiling diffuser 250mm2 x Run On Timer - 5s - 4hrs - RT5A2 x Remote Timer Control - 13512 x Push Timer Switch - ZA42 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x Helios ZNE Electronic Fan Overrun Timer3 x 7 Day Programmable TIMECLOCK1 x ACOAS/ AC/EC Auto Changeover 8Amp2 x ACO8AC/EC AutoChangeover panel1 x TTC-2000 Three phase electric heater controller1 x Elta ACO Panel 149-ACO14E1 x ACO 149-ACO1/EDV2 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic1 x EC-Vent control board1 x EC-Vent Room Unit1 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6302 x EM30-24 Control Panel Commissioning Service1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/632 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC35/401 x Elta Louvre Shutter - 400mm1 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7102 x Silent 300 CZ Design PLUS Extractor Fan1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper2 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH2 x Mini Diffuser - 100mm1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3002 x Same Day Shipping Surcharge - City Sprint1 x D2E-146-AP47-751 x Economy Airvent 150mm Fan With Pullcord & Shutters1 x Small Centrifugal Fans CBM/2-133/190 185w1 x Northern Ireland Pallet Surcharge2 x DPD 12PM Delivery Surcharge1 x DV-ROF-V-225 Roof mounted unit1 x Economy Airvent 100mm Fan with Timer1 x DPD 10:30AM Delivery Surcharge2 x EBM-Papst D3G133-BF05-14 Double inlet1 x Manrose Window Extractor - WF150AP1 x Small Centrifugal Fan - CBM/4-160/150-125 W1 x D2E146-AP47-C11 x Redelivery Charge1 x Small Centrifugal Fan - CBM/4-180/184-150 W1 x G2E160−AL19−56 FLUE FAN1 x D2E146-AP47-331 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x Pallet Delivery Surcharge2 x RTRD - Three Phase Speed Controller - 2 Amp1 x International Shipping Surcharge1 x 18M - 80mm PVC flexible ducting1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Manrose 150mm - XF150BHP1 x ME04F063LC1AF1 x Manrose 150mm - XF150BP1 x Small Centrifugal Fans CBM/2-146/180-300 W1 x Small Centrifugal Fans CBM/4-133/190 70w2 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 22 04 Frequency Inverter2 x FU 075 04 Frequency Inverter (IP20)1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Three Phase Transformer 10amps2 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x Vent Axia ACM 150 inline mixed flow duct fan1 x Circular Ceiling Diffuser - TST 1251 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-10TK1 x Vent Axia ACM 200 inline mixed flow duct fan1 x Helios TSW 1.5 Amp Transformer speed controller1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Vent Axia ACM 125 inline mixed flow duct fan1 x Isolator Switch - ISOSW1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x BEAS-control module1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Helios HQW-200/2 - IP551 x MWS 1.5 – Transformer Controller With Motor Protection1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x Speed Controller - REB51 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Transformer (silent) speed controller - RE 3.0 Amp1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Speed Controller - REB101 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x REB-CVF 0-10v Controller1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x FFR 355 Filter Cassette1 x MTP 10, 10K, Speed control1 x Quietflow SQS400-1ECL - Centrifugal Box Fan2 x Silent 100 Window Kit - windowS1 x CBM 9-9 550w 4P VR (Open Motor)1 x Vent Axia Silent 100T (TIMER)1 x Speed Controller - REB11 x MTS10- extractor fan 3 step switch1 x QPTW 250C Acoustic Twin Fan with Controller1 x UB47- Universal Insulated Terminal1 x MEV300/160 Wireless Boost Switch - SWHWMEV1 x Speed Controller - REB2.5-N1 x Elta - Room Sensor - Temp/Humid/C021 x DEF-CBM-RE-7 - Protection Guard1 x VTR 300 STD Filter Kit1 x Compact SCD450/4-1AC1 x EBM-Papst D4E225-BC01-17 Double inlet1 x CBT-100N Centrifugal1 x SAVE VSR 300 heat recovery unit1 x Contactor Interface Station - CI91 x Silentub - STUB 1001 x CFI In-line 425 - Carbon Filter1 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x CO2 Room Sensor - CO2-R1 x Duct Termination with Mesh - 100mm1 x BDS 800 RA b/d shutter1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x CSB-60 Centrifugal fan2 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x VTR 500 STD Filter Kit1 x 100mm Round Connector with Damper1 x DS-2 2-Speed Switch (3 Phase)1 x Flat Roof Terminal -OFT 5 - Asphalt1 x Quietflow Twin SQTDCV250-1ECL1 x Elta SCP400/4-1AC - IP551 x Duct Termination with Mesh - 150mm1 x IR24-P - Presence detector1 x Binks Bullows - Spray Booth Filter1 x CBT-80N Centrifugal1 x ACO3TO-ADS-VFC-7.1A1 x Duct Termination with Mesh - 450mm1 x CBB-60N Centrifugal1 x Potentiometer EGH 01 - for DDMP Fans1 x DDMP 07/07 Mounting Flange1 x CAD-COMPACT 900 ADVANCED N8 - MVHR unit1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-2TK1 x RTRD - Three Phase Speed Controller - 7 Amp1 x RDS 11 Helios Transformer Controller With Motor Protection1 x RDS 1 Helios Transformer Controller With Motor Protection1 x Three Phase 3 step - 10amp Transformer controller for use with the HV Wall Mounted fans.1 x Helios TSW 3 Amp Transformer speed controller1 x DEF-140T Inlet Guard for the CBT-100N1 x MWS 3 – Transformer Controller With Motor Protection1 x Single phase speed controller by auto-transformer - RMB 10.0 Amp1 x WS - Reversing Switch from Helios Fans1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box1 x EBM-Papst D2E097-BK76-98 Double inlet1 x Helios HQW-200/4 - IP551 x CBS-60 Outlet Flange for CSB/CBT-601 x Elta Turboflow Max TF056J23-A6-10 - THREE PHASE1 x Speed Controller - REB31 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Multiflow SMB550/4-1AC1 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)1 x Speed Controller - REB1-N1 x RDH FLEX-SQUARE - ADH/RDH 04501 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Transformer Speed Control - RTRE- 5.0Amp1 x Helios HQW-315/4 - IP551 x SG-200 Fan Guard for the HQW 2001 x DDMP 12-12 3F 1810W M6A4 DG01 x Speed Controller - REB81 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x MEV Spider Wireless boost Switch - MEV-SWH-W1 x Helios HQW-250/4 - IP551 x Transformer Speed Control - RTRE- 1.5Amp1 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x DEF-800AN1 x 220x90mm Insulated Rectangular Horizontal 45° Bend1 x 204x60mm Insulated Rectangular Horizontal 45° Bend1 x DDMP 09/09 Mounting Flange1 x Ancillary Pack for SLC-800 for 4 Pole and SLC-800/6B-3AC1 x Speed Controller - REB161 x 204x60mm Insulated Rectangular Horizontal 90° Bend1 x FAST-TRACK RANGE 75mm - Adjustable Air Restrictor1 x 220x90mm Insulated Rectangular Vertical 90° Bend1 x Helios RR-250-C Centrifugal inline fan1 x CBP-18/18-RC Belt Driven Centrifugal Fans1 x Duct Termination with Mesh - 355mm1 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x RS 80-50 L3 sileo. Centrifugal Rectangular Duct Fan1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C1 x Vertical Cowl and Fan (Single Phase) - RAV400-4-11 x Duct Termination with Mesh - 560mm1 x SD-MUB Vibration pad set1 x RUCK MTP 20, 10K, Speed control1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x 204 x 60mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x DDMP 10-10 1F 1000W M6A2 DA51 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x Vent Axia Trickle & Boost Switch1 x Spiral end cap - 355mm1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x CBM 7/7 147w 4P RE-VR1 x KBA- Inlet Mounting 1801 x Duct Termination with Mesh - 400mm1 x DEF-900AN1 x Quietflow SQS250-1ECL - Centrifugal Box Fan1 x ADH E0-280 Flange - 0280 ADHE/RDHE1 x TecFire Intumescent Damper - Rectangular 400x400mm1 x SDD-U Anti Vibration Pads1 x Spiral Ducting 1 meter - 200mm1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Duct Termination with Mesh - 200mm1 x HXP450/6-1 - 6 Pole - Single Phase1 x ADH E0-450 Flange - 0450 ADHE/RDHE1 x Biflow SB500-CON2-3 - High Temperature Bifurcated Fan1 x TecFire Intumescent Damper - Rectangular 350x350mm1 x CBT-100N Centrifugal ATEX II 2G Exe II T31 x Duct Termination with Mesh - 315mm1 x Dektite Combo Pipe Flashing - DC210REC1 x CBP-9/7-RC1 x Spiral end cap - 80mm1 x 220x90mm x 1m Insulated Rectangular Duct1 x KRJ - 120 Inlet Guard for CBB/CBT fans1 x Vent Axia W300310 Controller Electronic 1.5A1 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x FAST-TRACK RANGE 75mm - Seal Ring (1 bag of 10)1 x RDH Flange - 03151 x Elta SLC560/4C-3AC - IP551 x Nicotra RDH G2E7-04501 x Elta SLC500/4B-1AC - IP551 x Chaysol Da 12/12 CMAL - 1100W 6 Pole - Closed Motor - Three Phase1 x Temperature Controller - EDTW1 x REE-1 Electronic Speed Controller1 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x 204x60mm to 220x90mm Rectangular Adapter1 x CBM Low Pressure Centrifugal Fan - CBM 12/9 6 Pole 736watt C1 x Ancillary Pack for SLC-900 for SLC900/4A-3AC and SLC900/8-3AC1 x Elta Turboflow-TF - 450mm - Single phase1 x FAST-TRACK RANGE 75mm - Straight Connector1 x JPA-1100 Accessory Adapter Plate1 x Elta SCP315/4-1AC - IP551 x Flanged Damper 019-0560-STD1 x RDH Flange - 02501 x MEV Spider Additional Spigots1 x 204x60mm x 1m Insulated Rectangular Duct1 x Elta - SMT 125 Mixvent Inline Fan - Clearance Stock Line1 x 204 x 60mm Duct to Duct Connector for use with Insulated Thermal Ducting1 x Purlin Box 800 for RAW Cowls1 x Direct Delivery Surcharge1 x Elta Quietflow Twin SQT150-1ECL1 x 220 x 90mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x Air Quality Sensor - AQS1 x Elta Skyflow SSRL710-1EC1 x CBM 7/9 6p 72W RE-VR1 x Atex Inline Fan 180mm - ERM18EXE1 x Elta SCP450/4-1AC - IP551 x Elta SCP500/4-3AC - IP551 x Chaysol Da 15/11 CMAL - 2200W 6 Pole - Closed Motor - Three Phase1 x CBS-160 Outlet Flange for CBT-1601 x Elta SCP350/4-1AC - IP551 x Elta SPA400/4-1AC - IP541 x Elta Turboflow-TF - 450mm - Three phase1 x CBM 7/9 4p 300W RE-VR1 x JMS-5601 x CFI Lite 600 Carbon Filter1 x Chaysol da 9-7 - 3 Speed1 x Acoustic Box Fans (Inline) - CAB-355 RE1 x FAST-TRACK RANGE 90mm - Seal Ring (1 bag of 10)1 x Elta Standard Ambient Flexible Connector - 450mm1 x Contra Rotating TCBBx2-630 Cased Axial - Single Phase - IP65 - Soler & Palau1 x REB Ecowatt Speed Control - REB-ECO1 x MUB 062 630D4 Multibox1 x Impeller Side Guard - 800mm1 x Ancillary Pack for SB-Biflow 250 model1 x Soaker Sheet to suit RA8001 x Access Door for Circular Duct - 250 x 150 - SIZE 151 x CBT-170 Centrifugal1 x Elta Standard Ambient Flexible Connector - 350mm1 x Spiral Ducting 1 meter - 355mm1 x DDMP 07-07 1F 1100W M6AO DA51 x Impeller Side Guard - 450mm1 x DDMP 10-10 FLANGE1 x CBP-9/9 LOW PRESSURE CENTRIFUGAL FAN1 x 220x90mm Insulated Rectangular T-Piece1 x Jetflow Silent SJMF-S 200-1EC1 x JETLINE-100 ECOWATT - In Line Centrifugal Duct Fan1 x DT-1 Duct Mounted Thermostat1 x CBM 12/9 CM/AL 1100W 6PT - Closed Motor1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter - 150mm1 x Elta Standard Ambient Flexible Connector - 710mm1 x DDMP 12-12 FLANGE1 x Soler & Palau - HCBT/4-315/H - BFLOW1 x RDH E0-0400 Mounting Feet (pair)1 x Clearflow CFHT Kitchen/High Temp Roof Fan - CFHT400/4-3AC1 x ERM180EXE Bracket1 x Elta SCP315/4-3AC - IP551 x FAST-TRACK RANGE 75mm - Valve Adaptor 90° 125mm1 x Acoustic Box Fans (Inline) - CAB-1001 x 220x90mm Rectangular to 150mm Round Adaptor1 x Elta SCP400/4-3AC - IP55
Reviews
DAOSL Back Draft Damper
DAOSL Back Draft Damper
£ 11.49

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