• 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 Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x Genius Whole house unit -1 x AMD 400/2/2 High Pressure Long Cased Axial Fan1 x Acopel F400-120/1601 x HRFD 400/4 EX Atex Rated 400mm Cased Axial Fan 400v1 x Soler & Palau - HCBT/4-900/H - IP551 x Male Ducting Connector - 1000mm1 x HCGT/2-315/L-AMXN E7201 x ERM 18 protection guard - SGM 18 EX1 x Soler & Palau - HCBT/4-1000/H-X - IP551 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF500/4-3AC - Three Phase1 x TXBR-250 Ecowatt1 x CBMT/Q 315-90 3 HEATER KIT1 x Elta SCP250/4-3AC - IP551 x HIMF - Mixed Flow Fan 150mm Inline Fan1 x HRB/6-400-APN1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF350/4-1AC - Single Phase1 x Jetflow-HIT Metal inline - 200mm1 x Ancillary Pack for SLC-5001 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-3AC - Three Phase1 x Jetflow Silent SJMF-S 250-1EC1 x Elta 6 Amp Electronic single phase speed controller with TK1 x Ancillary Pack for SB-CYL 630 model1 x IP65 Remote Speed Adjustment Station1 x HPA Heavy Duty Flexible Ducting1 x Spiral Ducting 1 meter - 80mm1 x CBMT/Q 200-54 1 HEATER KIT1 x Helios HQW-400/4 - IP551 x Metal Inline Fan - VENT-250NK1 x Male Ducting Connector - 630mm1 x Singleflow SSDL315-1EC1 x Round ceiling diffuser 250mm1 x CTI CVA-N 500/560 Outdoor cover for CVAB/T Fans1 x Direct Saturday Delivery Surcharge1 x Soler & Palau - HXBR/4-250/H - IP441 x Raptor SDA450/4-1EC1 x ACQ-25012D Acoustic Inline Box Fan1 x Curved boot - 630mm1 x Ducting T Piece Equal - 300mm1 x CCZ-404-T (three Phase)1 x Spiral Ducting 1 meter - 100mm1 x Spiral Ducting 3 Meters - 125mm1 x Helios DDF-315 Roof Cowl1 x FedEx Midday Delivery Surcharge1 x Ducting 30 Degree Bend - 1000mm1 x Ancillary Pack for SDA350/4-1EC1 x Elta Unpodded Silencer 1D-560mm1 x 204x60mm 45 Degree Horizontal Bend1 x Soler & Palau - HCBT/4-400/H - IP651 x Rosenberg DQ 1000-8 plate axial fan1 x HA-600 SLIM Cooker Hood - Stainless Steel1 x HXP500/4-1 - 4 Pole - Single Phase1 x Pallet Delivery Surcharge1 x Impeller Side Guard - 250mm1 x Soler & Palau TCBB/6-710/L - IP651 x Duct Mounted Filter Box - 500mm - M6 grade Bag filter1 x Singleflow SSDL150-1EC1 x Elta SCP400/4-1AC - IP551 x KVK SLIM 250 EC - Centrifugal Circular Duct Fan1 x Elta Turboflow-TF - 450mm - Three phase1 x Duct Fast Clamps - 125mm1 x Nordik International Plus 90/36 - Ceiling Sweep Fan Range1 x HCFT/4-5001 x SQUARE MIXED FLOW FAN - MFQ 560mm (Three Phase)1 x Electronic extractor fan speed controller - FSC 1.51 x CAB-315 ECOWATT Energy Efficient Acoustic Box Fan1 x 204x60mm Equal T Piece1 x HRT/4-315-BPN1 x Quietflow SQS315-1ECL - Centrifugal Box Fan1 x Soler & Palau HXM-300mm1 x Ducting 15 Degree Bend - 1000mm1 x Etaline 250mm1 x EC6H - Reversible Group Fan Electronic Controller1 x ACO-TK-ADS Auto Changeover Panel - Single Phase1 x Pre 12:00 Delivery Surcharge1 x Hydor HPA250/2-11 x Spigot plate - 630mm1 x K 250 L Sileo1 x Helios GigaBox 560mm GBD 560/4/4 centrifugal1 x Helios AV200 External Wall Fan1 x HCFB/4-315mm (B-FLOW Supply Air) plastic impeller plate fan1 x Impeller Side Guard - 400mm1 x CBT-100N Centrifugal1 x FRQ-10A V2 Inverter Speed controller1 x Etaline 355mm - E2-011 x Helios GigaBox 400mm GBD 400/4/4 centrifugal1 x KTEX 50-30-4 Fan (ATEX)1 x Spiral Ducting 3 Meters - 400mm1 x HRFD 630/4 EX Atex Rated 630mm Cased Axial Fan 400v1 x TCBT/4-500/H EXEIIT3 ATEX1 x Jetflow-HIT Metal inline - 100mm1 x Anti Vibration Mounts - Small - Pack of 4 - AVM21 x Soler & Palau - HXTR/4-315/H - IP541 x Elta SPA250/2-1AC - IP441 x Multiflow SMB450/4-1AC1 x Revolution SLCX ATEX Long Cased Axial Flow Fan SLCX400/2-3 Three Phase1 x CBB-60N Centrifugal1 x Kitchen Extract Grille with Grease Filter - 600 x 100 - NO GRILL BOX1 x BDS 800 RA b/d shutter1 x BDRAX 250-E2 Cased Axial External Rotor Fan1 x ELTA - Single Phase Transformer 16amps1 x *VORT HRW 30 MONO Evo HCS WIFI - Single Room Heat Recovery Unit,1 x CBMT/Q 125-12 1 HEATER KIT1 x Helios GigaBox 450mm GBD 450/4/4 centrifugal1 x Soler & Palau TCBT/4-400/H - IP441 x BDS 200/250 RA b/d shutter1 x Belt Drive Cased Axial Fan - 800mm - L version1 x Flexible PVC Ducting - 204x60
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 ...