• 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

2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted1 x Helios HQW-200/2 - IP555 x Transformer (silent) speed controller - RE 3.0 Amp2 x Transformer (silent) speed controller - RE 1.5 Amp2 x Transformer Speed Control - RTRE- 12.0Amp2 x Two Speed Switch - REGUL-21 x Systemair Save Connect 2.0 Internet Module1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x REE-1 Electronic Speed Controller5 x Helios HQW-200/4 - IP551 x WS - Reversing Switch from Helios Fans1 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Vent Axia T-Series Controller1 x Transformer 5 Speed Controller - ATC1-12TK2 x EBM-Papst D4E225-BC01-17 Double inlet1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x CBS-60 Outlet Flange for CSB/CBT-601 x TD Mixvent 800/200 EEXEIIT31 x Speed Controller - REB1-N2 x TG-R room temperature sensor2 x Speed Controller - REB52 x Electronic extractor fan speed controller - FSC 1.52 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x RDH FLEX-SQUARE - ADH/RDH 04501 x Airvent ceiling fan controller3 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x Multiflow SMB550/4-1AC3 x Elta Variable Speed Drive IP66 - 0.75KW1 x Transformer Speed Control - RTRE- 7.0Amp3 x SG-200 Fan Guard for the HQW 2003 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Speed Controller - REB102 x Vent Axia Silent 100T (TIMER)1 x Remote Timer Control - 13511 x Isolator Switch - EFF-ISO1 x CBA-60 Inlet Flange for CBT-601 x Helios HQW-250/4 - IP551 x KKS 100 silencer-section - For use with the MUB 100 size Fans.1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x EC6H - Reversible Group Fan Electronic Controller2 x DDMP 12-12 3F 1810W M6A4 DG02 x Vent Axia ACM 200 inline mixed flow duct fan1 x Transformer (silent) speed controller - RE 5.0 Amp2 x MTP 10, 10K, Speed control2 x TUNE-R-200-3-M1 - Control Damper1 x Helios HQW-315/4 - IP552 x Speed Controller - REB11 x RDS 7 Helios Transformer Controller With Motor Protection1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x MTS10- extractor fan 3 step switch1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x REB-CVF 0-10v Controller1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x Helios TSW 1.5 Amp Transformer speed controller4 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x ELM 18 EX Flexible Cuff for ERM 181 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x TUNE-R-200-3-M4 - Control Damper1 x TUNE-R-200-3-M2 - Control Damper1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x CBA-100 Inlet Flange for CBT-1001 x CBM Low Pressure Centrifugal Fan - CBM 7/7 6 Pole 72watt CVR1 x QPTW 250C Acoustic Twin Fan with Controller1 x RD35S-4DW.6W.3L - 122297 (Three Phase)1 x Silentub - STUB 1001 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x Transformer Speed Control - RTRE- 1.5Amp1 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven1 x PIR Sensor - PIR2
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