• 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 DPD SAT Delivery Surcharge1 x SPI-200 C Iris damper1 x Differential Pressure Switch - 100 - 1000 Pa - IP651 x Male Ducting Connector - 355mm2 x Helios AV125 External Wall Fan1 x FSD-TD 550 x 200 Fire and Smoke Damper, S, GALV Case, GALV Blades, PM230-TF (SC)1 x FSD-TD 200mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x Round ceiling diffuser 200mm1 x Elta SLC630/4B-3AC - IP551 x MPS 560 D4 F4 301 x Helios AV100 External Wall Fan1 x Spiral Ducting 3 Meters - 200mm1 x *VORT HRW 30 MONO Evo - Single Room Heat Recovery Unit,1 x FSD-TD 450 x 450 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM24-TF (SC)1 x FSD-TD 400 x 250 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x FSD-C Motorised Failsafe Single Blade Fire/Smoke Damper with Actuator - 180mm1 x Ducting 15 Degree Bend - 125mm1 x Spiral Ducting 1 meter - 315mm1 x NON-STD FSD-TD Fire and Smoke Damper - 230V - 204mm x 100mm1 x FSD-TD 500 x 400 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x FSD-TD 350mm Fire and Smoke Damper, Type C, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x FSD-TD Fire and Smoke Damper, 700mm x 150mm, EASY FIX AF, GALV Case, GALV Blades, PM24-TF1 x REU 5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x FSD-TD 400 x 200 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x PM24-TF, AC 24V Damper Actuator, Spring Return, 2 x SPDT, 72C Thermal Fuse1 x TUNE-R-160-3-M0 - Control Damper (NO ACTUATOR)1 x Duct Termination with Mesh - 315mm1 x TecFire Intumescent Damper - Rectangular 250x250mm1 x Ducting 90 Degree Bend - 80mm1 x Ducting 90 Degree Bend - 100mm1 x Male Ducting Connector - 125mm1 x Metal Inline Fan - VENT-200NK1 x CAB-150 ECOWATT Energy Efficient Acoustic Box Fan1 x PML230-TF, AC 230V Damper Actuator, Spring Return, 2 x SPDT, 72C Thermal Fuse1 x Male Ducting Connector - 160mm1 x Ducting 90 Degree Bend - 200mm1 x Spiral Ducting 3 Meters - 160mm1 x Elta EC Electronic Controller1 x COM-31 x Ducting 15 Degree Bend - 200mm1 x Ducting Y Piece - 200mm2 x Duct Suspension Rings - 200mm1 x HV STYLVENT Wall Kit Threaded Rods1 x Duct Fast Clamps - 200mm
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 ...