• Model:SLU-300

Circular Inline Silencers - 0.3M long - SLU-300

£ 38.85 (excl. VAT)

£ 46.62 (inc. VAT)

Inline Circular Attenuators in standard diameters from 100mm to 400mm diameter. Attenuators are available in standard 300mm, 600mm, 900mm and 1200mm lengths.
This version is 300mm long
The longer the unit, the more effective it is.

Attenuator construction for this range comprises a pre-galvanised sheet steel spiral wound outer casing, manufactured in accordance with HVCA DW144 specification, with circular spigoted end caps. The inner bore is manufactured from pre-galvanised and perforated spiral wound steel tube, retaining a 50mm thick scrim faced 45 kg/cu.m acoustic media.

This range of circular attenuators offer minimal resistance to airflow and can be used in a variety of noise control applications:-
• Small fan system attenuation
• Cross-talk attenuation
• System noise regeneration attenuation
• System terminal unit attenuation

PDF Files


Silencer Range


Range Spec sheet

Available Options

2 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x Elta Variable Speed Drive IP66 - 2.2KW1 x DDMP 09-09 3F 2130W M6A4 DG01 x SG-200 Fan Guard for the HQW 2004 x Speed Controller - REB1-N1 x MTP 10, 10K, Speed control1 x Helios PU10 Speed Potentiometer (Flush Mounted)2 x Transformer Speed Control - RTRE- 7.0Amp3 x Helios HQW-315/4 - IP553 x PIR Sensor - PIR23 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)4 x Vent Axia Silent 100T (TIMER)2 x TD Mixvent 800/200 EEXEIIT33 x UB47- Universal Insulated Terminal1 x Elta Variable Speed Drive IP66 - 4.0KW2 x Transformer Speed Control - RTRE- 5.0Amp2 x EBM-Papst D4E225-BC01-17 Double inlet1 x DDMP 12-12 3F 1810W M6A4 DG02 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan1 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Transformer 5 Speed Controller - ATC1-2TK2 x ELM 18 EX Flexible Cuff for ERM 181 x Speed Controller - REB82 x RD35S-4DW.6W.3L - 122297 (Three Phase)2 x MTS10- extractor fan 3 step switch3 x Elta 6 Amp Electronic single phase speed controller.1 x Helios HQW-250/4 - IP551 x CBM 9-9 550w 4P VR (Open Motor)3 x PIR Sensor - PIR41 x Transformer 5 Speed Controller - ATC1-8TK4 x Helios RR-250-C Centrifugal inline fan1 x QPTW 250C Acoustic Twin Fan with Controller2 x Compact SCD450/4-1AC1 x Airvent ceiling fan controller1 x Transformer Speed Control - RTRE- 1.5Amp1 x DDMP 09/09 Mounting Flange1 x Elta 10 Amp Electronic single phase speed controller.2 x Comefri - TLZ 450 R - High Performance Scroll Fan1 x FRQ5-10A Inverter Speed controller1 x DDMP 10-08 3F 2210W M6A4 DG01 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x REE-2 Electronic Speed Controller3 x Duct Termination with Mesh - 450mm2 x Transformer 5 Speed Controller - ATC1-4TK1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR2 x CBA-60 Inlet Flange for CBT-602 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Polyurethane Foam Media - 10PPI - Filter Media Sheets - Size: 2000mm x 1000mm2 x TG-K Duct temperature sensor3 x Speed Controller - REB12 x Elta - Room Sensor - Temp/Humid/C021 x Helios TSW 1.5 Amp Transformer speed controller1 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans1 x CBP-18/18-RC Belt Driven Centrifugal Fans4 x VTR 300 STD Filter Kit1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Duct Termination with Mesh - 355mm1 x DDMP 12-12 1F 1800W M6A4 DA81 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x 204x60mm Insulated Rectangular Vertical 45° Bend1 x REU 3amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x 220x90mm Insulated Rectangular Vertical 90° Bend2 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Electrostatic Precipitator - 1H x 3W3 x Elta SCP400/4-1AC - IP553 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 1100watt 6PT (Closed Motor)2 x Flat Roof Terminal -OFT 5 - Asphalt1 x Silent 100 Window Kit - windowS1 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x SPI-100 C Iris damper1 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan2 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Backdraught Shutters 039-SFSV-63/711 x HXP450/6-1 - 6 Pole - Single Phase1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x Duct Termination with Mesh - 400mm1 x ELTA - Single Phase Transformer 2amps1 x DA9/9-NT1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x CBM 12-12 1100w 6P Three Phase1 x Speed Controller - REB101 x Vortice Quadro Micro 100 IT HCS - Humidistat/Timer Version1 x DEF-CBM-RE-7 - Protection Guard2 x Flanged Damper 019-0560-STD1 x CBA-130 Inlet Flange for CBT-1302 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x CBS-130 Outlet Flange for CBT-1301 x Elta Turboflow-TF - 450mm - Single phase1 x CBT-100N Centrifugal2 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x CSB-60 Centrifugal fan1 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x MWS 1.5 – Transformer Controller With Motor Protection1 x WS - Reversing Switch from Helios Fans1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-1AC - Single Phase1 x Elta Variable Speed Drive IP66 - 5.5KW1 x AIRVENT speed control - AIR4019611 x KAD-225-F400 Rectangle Flexible Connector1 x TD Mixvent 1100/250 EEXEIIT31 x FU 22 25 Frequency Inverter1 x Spiral end cap - 80mm1 x 220x90mm x 1m Insulated Rectangular Duct1 x CBM 9/7 4p 420W RE-VR1 x Speed Controller - REB161 x ENV 100 12v transformer SELV1 x CBM Low Pressure Centrifugal Fan - CBM 7/7 6 Pole 72watt CVR1 x CBT-130N Centrifugal ATEX II 2G Exd IIB T41 x Ancillary Pack for SB-Biflow 315 model1 x SAVE VSR 300 heat recovery unit1 x ACO8AC/EC AutoChangeover panel1 x Contactor Interface Station - CI91 x 220 x 90mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x EBM-Papst D3G133-BF05-14 Double inlet
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