• Model:SLU-900

Circular Inline Silencers - 0.9M long - SLU-900

£ 73.03 (excl. VAT)

£ 87.64 (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 900mm 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

Available Options

1 x HRT/4-630/25-BPN E221 x Soler & Palau - HXTR/4-315/H - IP541 x HCFB/4-630mm plastic impeller plate fan1 x Elta Qube SQU Centrifugal Box Fan - SQU4/4-3 HTS - Three Phase1 x Soler & Palau - HCBT/6-710/H - IP651 x Access Door for Circular Duct - 300 x 200 - SIZE 501 x Access Door for Circular Duct - 400 x 300 - SIZE 451 x 125mm Round Connector with Damper1 x Impeller Side Guard - 560mm1 x 220x90mm Double Airbrick Adapter1 x 220x90mm 45 Degree Vertical Bend1 x Helios AV200 External Wall Fan1 x 100mm Round Connector with Damper1 x 110 x 54mm Horizontal 90 Degree Bend1 x 110 x 54mm Vertical 90 Degree Bend1 x 220x90mm to 204x60mm Rectangular Adapter1 x 110 x 54mm Short Rectangular to Round Adaptor Female1 x Helios VARW 450/4 - TK1 x Elta - HTS450/4-1 - Case Mounted Circulating Axial Fan1 x Elta SLC450/4-1AC - IP551 x ELTA - Three Phase Transformer 10amps1 x Elta Standard Ambient Flexible Connector - 1000mm1 x Raptor SDA500/4-1AC1 x CVAT Acoustic Kitchen Fan & Inverter Kit - CVAT/4-6000/500 ND - Pack 61 x Carriage1 x Soler & Palau - HCBT/6-400/H - IP651 x VKS 355-500 Automatic shutter1 x R.O.I Customs Charge for Pallet Deliveries1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x Multiflow SMB650/4-3AC1 x LC040K2-A5/28 Long-Cased Axial - 400mm1 x 1mtr Round Ducting - 150mm1 x ELTA - Single Phase Transformer 16amps1 x Flat Roof Terminal -OFT 5 - Asphalt1 x Airvent ceiling fan controller1 x Roof Axial Cowl - RAW10001 x Acoustic Commercial Kitchen Inline Exhaust Fan - MPS (Three Phase) - 250mm1 x Purlin Box 400/450 for RAW Cowls1 x Multiflow SMB500/4-1AC1 x Elta Quietflow Twin SQT315-1ECL1 x Elta Quietflow Twin SQT125-1ECL1 x SPI-100 C Iris damper1 x Soler & palau TCBT/2-250/H - IP441 x Soler & Palau TCBB/2-250/H - IP541 x Motorised Volume Control Damper - 400mm1 x Flanged Spigot - 100mm1 x AF VVX-200 - Villavent Filter1 x CBT-170 Centrifugal1 x CBB-80N Centrifugal1 x Biflow SB250-CON2-3 - High Temperature Bifurcated Fan1 x AXCBF 800D4-18 IE2 Bifurcated Axial Fans1 x Belt Drive Cased Axial Fan - 710mm - H version1 x EBB-175 T DESIGN Centrifugal Extractor Fan1 x Elta SLC560/2-3AC - IP551 x JETLINE-150 - In Line Centrifugal Duct Fan1 x Jetflow-HIT Metal inline - 250mm1 x HRU Controller1 x Soler & Palau - HCBT/4-800/H - IP551 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x PCA Diffuser - PCA-2501 x Soler & Palau TCBB/4-315/H - IP441 x HXP560/6-3 - 6 Pole - Three Phase
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 50.56

I have a loft mount extractor fan which was very noisy. I ...