• Model:SLU-300

Circular Inline Silencers - 0.3M long - SLU-300

£ 38.85 (excl. VAT)

£ 46.62 (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 300mm 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


Range Spec sheet

Available Options

1 x KRJ - 280 Inlet Guard1 x Impeller Side Guard - 315mm1 x MRJ 250/350 S - protection guard from S&P1 x TD Mixvent 800/200 EEXEIIT31 x SG-200 Fan Guard for the HQW 2001 x Impeller Side Guard - 250mm1 x KRJ - 250 Inlet Guard1 x ERM 18 protection guard - SGM 18 EX1 x Impeller Side Guard - 450mm1 x G4 duct mounted panel filter - 290 x 290 x 47mm1 x KRJ - 160 Inlet Guard for CBB/CBT fans1 x KRJ - 120 Inlet Guard for CBB/CBT fans1 x KRJ - 355 Inlet Guard1 x DEF-CBM-RE-7 - Protection Guard1 x CXRT/4-630 5,5KW RD0001 x BKF 800D6-XL/F400 IE3 - Centrifugal rectangular duct fan 400C/2h1 x Double Inlet Forward Curved Centrifugal Fans - FDA-400-SMD-301 x AXCBF 250D2-32 Bifurcated Axial Fan1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x Impeller Side Guard - 560mm1 x EBM-Papst D4E225-BC01-17 Double inlet1 x Elta 2 Amp Electronic single phase speed controller.1 x BFR 100-160 Coarse 50% Filter1 x HRST/6-710-24 BZ C Rotorex Sickle bladed fan1 x Elta SPA710/4/6-3AC - IP541 x Woods 80JM2/25/6/9/20/16-deg 6pole1 x 150mm Round 45 Degree Bend1 x Ducting 90 Degree Bend - 400mm1 x Inline Hepa filter with housing & pre-filters1 x Soler & Palau - HCBT/6-710/H - IP651 x Elta SCP710/6/8-3AC - IP551 x MUB 062 560EC Multibox1 x Dust Extractor - CMRT/4-631 5.51 x EBM Papst - D2E133-DM27-D81 x FU 15 40 Frequency Inverter2 x Double Inlet Forward Curved Centrifugal Fans - FDA-250-C1 x GB-WSG 630 External Weather Louvers for the Giga-Box Fans - 630mm2 x Double Inlet Forward Curved Centrifugal Fans - FDA-250-C2 TWIN MODEL1 x Biflow SB250-CON4-1 - High Temperature Bifurcated Fan1 x G4 duct Mounted Panel Filter - 635 x 635 x 47mm1 x Double Inlet Forward Curved Centrifugal Fans - FDA-160-SL D201 x TD6000 Mixvent - 400mm1 x Duct Mounted Filter Box With G2 Paper AND Metal Washable Filter- 450mm1 x Elta SCP250/4-3AC - IP551 x EBM Papst- A4E 330-AP18011 x Elta Standard Ambient Flexible Connector - 350mm1 x ELTA - Three Phase Transformer 3amps1 x Helios GigaBox 400mm GBD 400/4/4 centrifugal1 x Helios GigaBox 710mm GBD 710/4 centrifugal1 x 1mtr Round Ducting - 150mm1 x Slim Qube SSQU23/4-3HT1 x Helios Condense Collector1 x Transformer (silent) speed controller - RE 7.0 Amp1 x Slim Qube SSQU22/4-3HT1 x G4 duct mounted panel filter 598H x 695W x 97mm1 x Double Inlet Forward Curved Centrifugal Fans - FDA-315-CM D251 x CBA-100 Inlet Flange for CBT-1001 x MUB/T 042 500 D4 Centrifugal box fan, 120°C Continuous, Insulated1 x Duct Mounted Filter Box - 500mm - M6 grade Bag filter1 x LBFR 400 F7 - Helios Inline Filter Box - 400mm1 x Soler & Palau - HCBT/4-710/H - IP651 x MUB 062 630D4 Multibox1 x CST-60 (230/400V50HZ)2 x EBM Papst- A4E 315-AC08-091 x MUB/T 062 500 D4 Centrifugal box fan, 120°C Continuous, Insulated1 x CMB/2-120/50 0.09kw CENTRIFUGAL SINGLE INLET FANS1 x Flanged Spigot - 125mm1 x G4 duct mounted panel filter - 289 x 289 x 22mm1 x CMT-2 280/115 4KW - Single inlet centrifugal fan direct driven1 x Elta SPA710/6-3EC1 x Spare filter Set for Energi Sava 300 & 400 HR unit1 x Elta SLC450-1EC -IE5 Motor- IP55
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