• 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

3 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x MWS 3 – Transformer Controller With Motor Protection1 x Isolator Switch - ISOSW1 x CS2 Current Switch2 x Elta 6 Amp Electronic single phase speed controller with TK2 x MWS 1.5 – Transformer Controller With Motor Protection1 x WS - Reversing Switch from Helios Fans1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Helios HQW-200/2 - IP551 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x EC6H - Reversible Group Fan Electronic Controller1 x TUNE-R-200-3-M1 - Control Damper2 x Remote Timer Control - 13511 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Transformer Speed Control - RTRE- 12.0Amp2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x Transformer Speed Control - RTRE- 7.0Amp1 x Systemair Save Connect 2.0 Internet Module1 x BEAS-control module2 x Helios HQW-200/4 - IP551 x Transformer 5 Speed Controller - ATC1-12TK1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x PIR Sensor - PIR21 x Speed Controller - REB101 x Elta 6 Amp Electronic single phase speed controller.1 x DDMP 12-12 3F 1810W M6A4 DG01 x Helios HQW-250/4 - IP551 x Helios HQW-630/4 - IP551 x DDMP 10-08 3F 2210W M6A4 DG01 x Vent Axia T-Series Controller1 x RDS 7 Helios Transformer Controller With Motor Protection2 x Transformer (silent) speed controller - RE 1.5 Amp1 x CBT-100N Centrifugal1 x SAVE VSR 300 heat recovery unit1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x TG-R room temperature sensor2 x Transformer (silent) speed controller - RE 3.0 Amp1 x Airvent ceiling fan controller1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)1 x Helios HQW-315/4 - IP551 x SG-200 Fan Guard for the HQW 2001 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Transformer 5 Speed Controller - ATC1-2TK1 x Electronic extractor fan speed controller - FSC 1.51 x Helios RR-250-C Centrifugal inline fan1 x Quietflow SQS250-1ECL - Centrifugal Box Fan1 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x Speed Controller - REB81 x Multiflow SMB550/4-1AC
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