• 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 Gorilla HVLSX301 x CBT-130N Centrifugal1 x CBP-DC 15/151 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 400mm1 x Chaysol Da 12/12 CMAL - 1100W 6 Pole - Closed Motor - Single Phase1 x BDB 630 TL D50 VE - High Pressure Centrifugal Fan1 x Chaysol DA 12/9 R2TC (V640008)1 x CBM 15/15 6p 3phase 2.2kw1 x Duct Wrap Insulation - AWDW25mm1 x G2 duct mounted panel filter 200-2501 x G2 duct Mounted Panel Filter - 594 x 594 x 97mm1 x Duct Mounted Filter Box With Paper G2 AND Metal Washable Filter - 250mm1 x Classic SAX23/9AR Window/Wall Mounted1 x Ducting T Piece Equal - 250mm2 x Female Ducting Connector - 250mm1 x CBPx2-9/7-D1 x CBT-125 Centrifugal1 x Biflow SB (CYL) Bifurcated Cylindrical Axial Flow Fan - 630mm1 x CBB-100N Centrifugal1 x AXCBF 250D2-32 Bifurcated Axial Fan1 x CBB-60N Centrifugal1 x CBT-60N Centrifugal1 x AXCBF 400D4-32° (0,55 kW)1 x BKF 800D6-XL/F400 IE3 - Centrifugal rectangular duct fan 400C/2h1 x Chaysol da 10-10 RE-420W1 x CBM 12/9 750W RE-VR1 x Acoustic Box Fans (Inline) - CAB-315 RE1 x Silent 200 Dual - Intelligent Bathroom Fan - 125mm1 x Heat Resistant In-line Axial Fan - VOK 150/120 H1 x CBM 12/9 CM/AL 1100W 6PT - Closed Motor1 x Helios SB EC 125 A SilentBox Centrifugal Fan1 x Acoustic Box Fans (Inline) - CAB-250N1 x 150mm Wall Duct - 350mm1 x Chaysol Da 15/11 CMAL 1800W 6 Pole - Closed Motor - Single Phase1 x Chaysol Da 15/15 CMAL - 1800w - 6 Pole - 1V1 x Spiral Ducting 1 meter - 100mm1 x Chaysol Da 10/10 - 550watt - 4 Pole - Flangeless1 x 125mm Round Wall Plate1 x PIR Sensor - PIR41 x CBM 10/10 - 373watt - 6 Pole1 x Helios PA10 Speed Potentiometer1 x Chaysol Da 12/12 CMAL - 1100W 6 Pole - Closed Motor - Three Phase1 x GRA-100 External Grill by S&P1 x Impeller Side Guard - 800mm1 x ADH E0-0560 (L) with Framework Fitted (PR)1 x Chaysol DA 10/8 NT (V600006)1 x 150mm Round Equal T Piece1 x *VORT HRW 30 MONO Evo - Single Room Heat Recovery Unit,1 x Metal Inline Fan - VENT-200NK1 x Chaysol Da 10/10 - 373watt - 6 Pole1 x Jetflow-HIT Metal inline - 250mm1 x Chaysol Da 12/9 CMAL - 736W 6 Pole - Closed Motor - Single Phase1 x Spiral end cap - 200mm1 x Chaysol DA 12/12 NT (V600009)1 x Chaysol DA 10/10 NT With Feet(V608407)1 x 125mm - 150mm Round Reducer1 x Spiral Ducting 3 Meters - 200mm1 x HIMF - Mixed Flow Fan 125mm Inline Fan1 x Chaysol Da 12/12 CMAL - 736 Watt - 6 Pole1 x Contactor Interface Station - CI91 x Helios GigaBox 560mm GBD 560/4/4 centrifugal1 x Quietflow SQS250-1ECL - Centrifugal Box Fan1 x G4 duct mounted panel filter - 296 x 296 x 22mm1 x Spiral Ducting 3 Meters - 100mm1 x 100mm Round Connector with Damper1 x Spiral end cap - 100mm1 x VSR 300 Heat Recovery spare filter Kit. M5 extract & F7 supply.1 x 100mm Round Equal T Piece1 x Synthetic Air Filter Media - 6mm x 2mtr x 5mtr Roll1 x Spiral Ducting 1 meter - 315mm1 x G4 duct Mounted Panel Filter - 475 x 245 x 22mm1 x G4 duct Mounted Panel Filter - 495 x 495 x 47mm1 x Elta EC Electronic Controller1 x Ducting T Piece Equal - 200mm1 x H14 Hepa Commercial Air Purifier - Coarse Filter1 x Helios GigaBox 560mm GBD 560/4/4 T120 centrifugal1 x Ducting 45 Degree Bend - 500mm1 x Female Ducting Connector - 315mm1 x G4 duct mounted panel filter 595 x 595 x 97mm1 x VTR 300 STD Filter Kit1 x 150mm - 200mm Round Reducer1 x G4 duct mounted panel filter - 390 x 390 x 47mm1 x VTR 500 STD Filter Kit1 x Ducting T Piece Equal - 150mm1 x Ducting 90 Degree Bend - 250mm1 x Flanged Spigot - 315mm1 x Spiral Ducting 3 Meters - 315mm
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