• Model:SLU-900

Circular Inline Silencers - 0.9M long - SLU-900

£ 84.35 (excl. VAT)

£ 101.22 (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 PIR Sensor - PIR21 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Helios VDS-7 Three Phase Transformer 5-Step1 x FRQ5-4A V2 Inverter Speed Controller1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 2.2KW1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1001 x Electronic extractor fan speed controller - FSC 1.51 x PCA Diffuser - PCA-3151 x Balance S Diffuser - NO RING - 125mm1 x Elta 3 Amp Electronic single phase speed controller.1 x Elta 6 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 8amps1 x ELTA - Single Phase Transformer 16amps1 x Elta 3 Amp Electronic single phase speed controller with TK1 x Versio Square Ceiling Diffusers - RS141 x Elta 2 Amp Electronic single phase speed controller.1 x JSR 200 Painted RAL50181 x Round ceiling diffuser 400mm1 x Curved Blade Grille 600x600 (2way blow)1 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 2001 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 4amps1 x COM-31 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 200mm1 x ELTA - Single Phase Transformer 12amps1 x Balance S Diffuser - NO RING - 100mm1 x ELTA - Single Phase Transformer 10amps1 x Round ceiling diffuser 350mm1 x PCA Diffuser - PCA-2501 x Elta 6 Amp Electronic single phase speed controller.1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x Round ceiling diffuser 250mm1 x Run On Timer - 5s - 4hrs - RT5A1 x Remote Timer Control - 13511 x Push Timer Switch - ZA41 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B1 x Helios ZNE Electronic Fan Overrun Timer1 x 7 Day Programmable TIMECLOCK1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel1 x TTC-2000 Three phase electric heater controller1 x Elta ACO Panel 149-ACO14E1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x CONTROL ECOWATT - Basic1 x EC-Vent control board1 x EC-Vent Room Unit1 x Systemair Save Connect 2.0 Internet Module1 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x EM30-24 Control Panel Commissioning Service1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC35/401 x Elta Louvre Shutter - 400mm1 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Silent 300 CZ Design PLUS Extractor Fan1 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x TD160-NT Mixvent - 100mm - TD160 Timer1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH1 x Mini Diffuser - 100mm1 x Egg Crate Grille with Dust panel filter 1 inch- 300x300
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...