• 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 Elta SPA630/46-3AC - IP542 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x HRT/6-630/35-BZ E111 x Elta SCP500-1EC - IP551 x Elta SPA630/4-3EC - IP541 x HCFB/4-630mm plastic impeller plate fan1 x Elta SCP630/4-3AC - IP551 x Helios HQW-630/6 - IP551 x HRT/6-630/30-BPN1 x HRB/6-630-30-APN1 x Elta SCP630/4-1AC - IP551 x 5-Speed Controller for use with Elta SAX Classic Fans1 x HRT/4-630/25-BPN E221 x Elta SCP630-1EC - IP551 x Elta SPA630/68-3AC - IP541 x Helios HQW-630/4 - IP551 x Hydor HPA630/4-1A1 x HRT/4-630/25-APN C21 x Elta SPA630/6-1AC - IP541 x HRT/4-630/25-BPN C1 x BDS 300/315 RA b/d shutter1 x F7/G4 filter kit for IDEO HR unit1 x Classic SAX23/9A Window/Wall Mounted1 x ELTA - Single Phase Transformer 2amps1 x CAB-400 ECOWATT Energy Efficient Acoustic Box Fan1 x Helios ZNE Electronic Fan Overrun Timer1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x 110 x 54mm Low Profile Plastic Ducting - 2 Meter1 x ACQ-150-12D Acoustic Inline Box Fan1 x 110 x 54mm Short Rectangular to Round Adaptor Female1 x AL 400 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x 110 x 54mm Horizontal 45 Degree Bend1 x AW Sileo EC Plate Axial Fan - Three Phase - 800mm1 x Multi Input Run On Timer - 0 - 20min - CFCU1 x FSD-TD 225mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x 110 x 54mm Flat Channel Clip (Pack Of 5)1 x TCDH-EXD Atex roof mounted Series1 x FSD-C Motorised Failsafe Single Blade Fire/Smoke Damper with Actuator - 180mm1 x KVK SLIM 160 EC - Centrifugal Circular Duct Fan1 x KVK Slim 160 - Low profile Semi Acoustic Box Fan1 x AW Sileo EC Plate Axial Fan - Three Phase - 710mm1 x Flexible PVC Ducting - 110x541 x 110 x 54mm Short Rectangular to Round Adaptor male1 x 110 x 54mm Horizontal 90 Degree Bend1 x 110 x 54mm Equal Horizontal T-Piece1 x Ducting 90 Degree Bend - 900mm1 x FSD-TD 350 x 200 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x Male Ducting Connector - 80mm1 x VKS 355-500 Automatic shutter1 x Helios DDF-200 Roof Cowl1 x FSAF1250C1DA Silencer 1320/201 x Raptor SDA450/4-1EC1 x Elta Wall Cowl SWC25/311 x Helios GigaBox 450mm GBD 450/4/4 centrifugal1 x Elta Unpodded Silencer 1D-800mm1 x Raptor SDA450/46-3AC1 x GEO Ground Source Heat Exchanger1 x Spiral Duct Grille Termination - 80mm1 x CC-710-2.2kw1 x FSAF400B1DA Silencer 450/81 x BDS 800 RA b/d shutter1 x Ducting 90 Degree Bend - 80mm
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 ...