• 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 Air Quality Sensor - AQS2 x Access Door for Circular Duct - 300 x 200 - SIZE 311 x Access Door for Circular Duct - 400 x 300 - SIZE 561 x GB-WSG 630 External Weather Louvers for the Giga-Box Fans - 630mm1 x HQS Bathroom Axial Flow Fan - 125mm1 x DV-ROF-V-315 Roof mounted unit1 x GB-WSG 450 External Weather Louvers for the Giga-Box Fans - 450mm1 x Access Door 400mm x 400mm1 x MV-Silent 350 Bathroom Extractor Fan Kit - Standard - No Timer1 x 1mtr Round Ducting - 100mm1 x 110 x 54mm Horizontal 45 Degree Bend1 x Flexible PVC Ducting - 110x541 x 110 x 54mm Equal Horizontal T-Piece1 x 110 x 54mm Horizontal 90 Degree Bend1 x Soler & Palau - HCBT/6-355/H - IP651 x AL 400 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Elta 3 Amp Electronic single phase speed controller with TK1 x AL 315 EC 01 AXIALINE - High Performance Long Cased Axial Fan1 x Elta SPA710/4/6-3AC - IP541 x 220x90mm x 1m Insulated Rectangular Duct1 x 316 Grade Stainless Steel Flat Bar Flange - 400mm1 x Etaline 450mm -EC (Three Phase)1 x Elta Standard Ambient Flexible Connector - 400mm1 x Acopel F400-315/1601 x HRT/6-710/30-BQ E21 x Helios HQW-710/6 - IP551 x Cased Axial Fan Extension - 400mm dia1 x Soler & Palau - HCBB/6-355/H - IP651 x 204x60mm Insulated Rectangular Vertical 90° Bend1 x Raptor SDA350/4-1EC1 x Soler & palau TCBT/2-250/H - IP441 x HQD 355/4 Plate Axial Fan (4-pole)1 x KRJ - 120 Inlet Guard for CBB/CBT fans1 x Ancillary Pack for SLC-4001 x Impeller Side Guard - 350mm1 x AXC 355-6/19°-2(B)-P (0.75 kW) - Smoke Extract Fan2 x Elta Turboflow-TF - 560mm - Single phase1 x 220x90mm 45 Degree Vertical Bend1 x 220x90mm 90 Degree Horizontal Bend1 x AW Sileo EC Plate Axial Fan - Three Phase - 1000mm1 x Raptor SDA560/46-3AC1 x Acoustic MiniBox Fan - MINI-BOX 1001 x Spiral end cap - 100mm1 x 220x90mm Equal T Piece1 x Metal Inline Fan - VENT-315NK1 x EM 315-E2M 01- Etamaster-3151 x Helios GigaBox 710mm GBD 710/4 centrifugal1 x ERR 31/1 Centrifugal inline fan1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x FSD-TD 350 x 200 Fire and Smoke Damper, S, EASY FIX AF, GALV Case, GALV Blades, PM230-TF (SC)1 x 150mm Wall Duct - 350mm1 x Helios GigaBox 400mm GBW 400/4 centrifugal1 x Helios GigaBox 400mm GBD 400/4/4 centrifugal1 x HCFB/4-400mm plastic impeller plate fan1 x PRIO 400 EC, Axial circular duct fan - EC motor1 x TD Mixvent Twin Base Kit - 8001 x HXP500/4-3 - 4 Pole - Three Phase1 x HRB/6-630-30-APN1 x Elta SPA630/4-3EC - IP541 x Helios HQW-630/6 - IP551 x HCFB/4-315mm plastic impeller plate fan1 x Inclined Kurb support for CTHB/6-4001 x SEL355/2-1AC1 x JAA-560 Acoustic Upstand1 x Purlin Box 630/710 for RAW Cowls1 x Purlin Box 1000 for RAW Cowls1 x Soler & Palau - HCBB/2-315/H - IP651 x AW Sileo EC Plate Axial Fan - Three Phase - 630mm1 x Elta SCP315/4-1AC - IP551 x Raptor SDA400/4-1EC1 x Soler & Palau TCBT/4-630/L - IP651 x HV Wall Mounted Belt Drive Fan 800mm 400V / 50Hz 0.75kW - Three Phase1 x Elta SLC400/4-1AC - IP551 x Helios GigaBox 250mm GBW 250/4 centrifugal1 x LC040K2-A5/28 Long-Cased Axial - 400mm1 x AMD 400/2/2 High Pressure Long Cased Axial Fan1 x HRST/6-800/28-BZ-68 (400V50)C1 x Elta SLC630/4A-3AC - IP551 x Soler & Palau - HCBT/4-800/L-AX - IP551 x Soler & Palau TCBB/4-400/H - IP441 x HRFD 400/4 EX Atex Rated 400mm Cased Axial Fan 400v1 x Raptor SDA630/4-1EC1 x KVK SLIM 400 EC - Centrifugal Circular Duct Fan1 x Duct Termination with Mesh - 450mm1 x TD Mixvent 1200/315 EEXEIIT31 x 220x90mm Insulated Rectangular Horizontal 90° Bend1 x Ducting 90 Degree Bend - 355mm1 x Female Ducting Connector - 630mm1 x 220x90mm x 2m Insulated Rectangular Duct1 x Duct Termination with Mesh - 630mm1 x 204x60mm Insulated Rectangular Horizontal 90° Bend1 x Female Ducting Connector - 355mm1 x Spiral Ducting 1 meter - 355mm1 x Flanged Spigot - 355mm1 x Roof Axial Fan and Cowl - Three Phase -350mm1 x Kitchen Grille with Grease Filter - 300x300 - NO GRILLE BOX1 x ILTM-500/560/630 - Motor Cover for ILHT Fans - 51337593001 x HVWC800 WALL COWL - for use with the HV-800 belt driven fans1 x Vent Axia ACM 125 inline mixed flow duct fan1 x 125mm Wall Duct - 350mm1 x CTI CVA-N 250/315 Outdoor cover for CVAB/T Fans1 x Belt Drive Cased Axial Fan - 710mm - H version1 x 204x60mm Elbow Bend with 100mm Fixed Spigot1 x EM 250-E2M 01- Etamaster-2501 x Differential Pressure Switch - 20 - 300 Pa - IP651 x Differential Pressure Switch - 100 - 1000 Pa - IP651 x Desk fan 9 inch - SFG91 x MV-Silent 250 Bathroom Extractor Fan Kit - Timer1 x BDS 300/315 RA b/d shutter1 x S-ET 10 Motor Protection1 x Helios HQW-200/4 - IP551 x Thermostat - Adjustable Room Thermostat - 230V1 x FSD-TD Fire and Smoke Damper, 700mm x 150mm, EASY FIX AF, GALV Case, GALV Blades, PM24-TF1 x Plastic Kitchen Extractors - CK25N1 x Hydor HPA450/4-1A
Reviews
Transformer (silent) speed controller - RE 1.5 Amp
Transformer (silent) speed controller - RE 1.5 Amp
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Unbelievable! With TDmixvent500: noise reduction minimum 50%...