• 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

1 x Helios HQW-450/6 - IP551 x Flexible PVC Ducting - 204x601 x Helios GigaBox 560mm GBD 560/4/4 centrifugal1 x HQD 355/4 Plate Axial Fan (4-pole)1 x Economy Airvent 150mm Fan1 x Hydor HPA450/4-1A1 x ELTA - Single Phase Transformer 2amps1 x HQS Bathroom Axial Flow Fan - 125mm1 x HRT/4-355-BPN1 x 204x60mm x 500mm Long Hi-Flow Duct Silencer1 x Plastic Kitchen Extractors - CK-60F1 x Metal Inline Fan - VENT-400K - T (3 Phase)1 x Plastic Kitchen Extractors - CK25N1 x Multiflow SMB450/4-3AC1 x EM 200-E2M 01- Etamaster-2001 x Kitchen Grease Filter - Mesh Type Non standard 450mmx450mmx22mm Actual1 x Blast Gate (Manual) 100mm1 x Access Door for Circular Duct - 250 x 150 - SIZE 251 x Access Door for Circular Duct - 400 x 300 - SIZE 401 x Access Door 250mm x 250mm1 x Round ceiling diffuser 400mm1 x Blast Gate (Manual) 125mm1 x Access Door 400mm x 400mm1 x HRT/6-630/35-BZ E111 x Elta SPA630/68-3AC - IP541 x Elta SCP630/4-3AC - IP551 x 220x90mm Mounting Clip (Individual)1 x 220x90mm Double Airbrick Adapter1 x CRBB/3-160/052M EC 1H0 MP - External Rotor Motor Radial Fans1 x Elta Standard Ambient Flexible Connector - 315mm1 x *NEW* TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x ELM 25 EX Flexible Cuff for ERM 2501 x Acopel F400-225/1601 x AL 355 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x CAB-200 ECOWATT Energy Efficient Acoustic Box Fan1 x FAST-TRACK RANGE 90mm - Semi-Rigid Duct 50M1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x Hydor Typhoon Circulation Fans - HVFB - 300mm1 x DV-ROF-V-315 Roof mounted unit1 x Etaline 280mm1 x Soler & Palau - HCBT/6-800/H - IP651 x Acoustic Box Fans (Inline) - CAB-1001 x DA12/9 Feet1 x Elta SCP315/4-3AC - IP551 x HCFB/4-315mm plastic impeller plate fan1 x ELS Plasterboard Adaptor1 x AL 315 Mounting Feet (Pair)1 x HCGT/2-315/L-AMXN E7201 x EuroSeries (ESP) - Plate Mounted Axial Fans 315-121 x Female Ducting Connector - 100mm1 x Multiflow SMB650/4-1AC1 x BD7/7 centrifugal M4 0.13Kw - Galvanised Impeller - MBI Assembled1 x Elta Quietflow Twin SQT250-1ECL1 x CBM 12/9 515W RE-VR1 x DEF-140T Inlet Guard for the CBT-100N1 x Impeller Side Guard - 800mm1 x Soler & Palau HXM-200mm1 x Digital Room Thermostat - DRT1 x Belt Drive Cased Axial Fan - 710mm - H version1 x Elta Prema LCD Display1 x Soler & Palau - TGT/4-450-6/0.55kW 32 Degree1 x FSD-TD 250mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x EB-100N S - Centrifugal Fan1 x HD Series Control Damper - 2000mm X 1000mm1 x Elta HWFA-650 Oscillating Wall Fan1 x PBT/4-400 Portable Cooling Fan1 x Rotorex HXBR 250mm Plate Axial Fan - Single Phase (2-pole)1 x HV-RC 230mm (With Wall Kit)1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 630mm1 x Elta SLC355/4-3AC - IP551 x Belt Drive Cased Axial Fan - 800mm - G version1 x GB-WSG 630 External Weather Louvers for the Giga-Box Fans - 630mm1 x Elta SLC560/4C-3AC - IP551 x Helios DDF-250 Roof Cowl1 x Elta SLC1000/6B-3AC - IP551 x Belt Drive Cased Axial Fan - 800mm - H version1 x Elta SLC1000/4C-3AC - IP551 x AL 355 D2 01 - High Performance Long Cased Axial Fan1 x Belt Drive Cased Axial Fan - 450mm - L version1 x Belt Drive Cased Axial Fan - 500mm - H version1 x Belt Drive Cased Axial Fan - 630mm - H version1 x Helios ZNE Electronic Fan Overrun Timer1 x Helios HRFW 355/4 TK1 x Raptor SDA560/6-1AC1 x Soler & Palau TCBB/2-250/H - IP541 x TXBR-250 Ecowatt1 x Ancillary Pack for SLC-3551 x Ancillary Pack for SLC-6301 x Elta Podded Silencer 1D- 710mm1 x Etaline Max-Fan - 315mm - E2 011 x Elta Unpodded Silencer 1D-800mm1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x EC-Vent control board
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