• 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

3 x MV-B Dual Switch for use with Helios HQW plate fans,1 x Helios HQW-200/2 - IP552 x Helios HQW-250/4 - IP551 x Helios HQW-315/4 - IP553 x SG-200 Fan Guard for the HQW 2001 x CBM 12-12 1100w 6P Three Phase2 x Duct Termination with Mesh - 355mm1 x AIRVENT speed control - AIR4019611 x Elta Variable Speed Drive IP66 - 0.75KW1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x MTS10- extractor fan 3 step switch1 x Multiflow SMB550/4-1AC1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Silentub - STUB 1002 x Helios ESA-1 Surface mounted Speed Control 1amp1 x Speed Controller - REB1-N1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x ACO8AC/EC AutoChangeover panel1 x REB-CVF 0-10v Controller2 x MTP 10, 10K, Speed control1 x VEKA INT 2000/15.0-L1 EKO1 x Elta 6 Amp Electronic single phase speed controller.1 x Helios RR-250-C Centrifugal inline fan2 x EBM-Papst D3G133-BF05-14 Double inlet1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Helios HQW-355/4 - IP551 x EBM-Papst D4E225-BC01-17 Double inlet1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta SCP400/4-1AC - IP551 x Vent Axia Silent 100T (TIMER)1 x AXC TP - 100mm Plastic Centrifugal Inline Fan1 x CBA-100 Inlet Flange for CBT-1001 x TD Mixvent 800/200 EEXEIIT32 x 100mm Round Connector with Damper1 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR1 x Flat Roof Terminal -OFT 5 - Asphalt1 x Speed Controller - REB11 x VTR 300 STD Filter Kit1 x DDMP 12-12 3F 1810W M6A4 DG01 x PIR Sensor - PIR21 x CBM 7/7 147w 4P RE-VR1 x Speed Controller - REB2.5-N1 x Silent 100 Window Kit - windowS1 x FRQ5-10A Inverter Speed controller1 x AXC TP - 150mm Plastic Centrifugal Inline Fan1 x Compact SCD450/4-1AC2 x SPI-100 C Iris damper1 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer Speed Control - RTRE- 5.0Amp1 x Skyflow SSR Horizontal Roof Cowl SSR80B1 x Potentiometer EGH 01 - for DDMP Fans1 x DPD 12PM Delivery Surcharge1 x ELM 18 EX Flexible Cuff for ERM 181 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x ELTA - Three Phase Transformer 3amps1 x 125mm Round Connector with Damper1 x CBT-100N Centrifugal1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x Biflow SB500-CON2-3 - High Temperature Bifurcated Fan1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Elta 2 Amp Electronic single phase speed controller.1 x VA 9/2 T - High Temp Axial Fan,1 x ELTA - Single Phase Transformer 2amps1 x Contactor Interface Station - CI91 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Speed Controller - REB161 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR1 x Speed Controller - REB81 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x Chaysol Da 12/12 CMAL - 1100W 6 Pole - Closed Motor - Three Phase1 x Duct Termination with Mesh - 450mm1 x RDS 1 Helios Transformer Controller With Motor Protection1 x 110 x 54mm Round to Rectangular Adaptor - Long
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