Silencers are devices that reduce sound transmission in a duct, a pipe or an opening, without preventing the transport of a fluid (e.g. air or industrial gas, with varying pressure and temperature conditions). Their main characteristics are therefore acoustic performance (insertion loss, flow noise) and also aeraulic performance (total pressure loss). Silencers must also meet - depending on the context - possibly many and varied technical requirements (it all depends on the field of application).
The noise reduction by the means of a silencer is an action at source frequently implemented in the context of a soundproofing program.
The fields of action of ITS in terms of silencers are the following:
- study:
- on-site acoustic diagnosis with sound level measurements: by a technician qualified in physical measurements (specialized in instrumental techniques), with duly calibrated and verified sound level meters, before or after the installation of a silencer
- acoustic and aeraulic sizing calculations: by an experienced acoustical engineer, using dedicated simulation software SILDIS®, developed and published by ITS or commercial software - "Finite Element Method (FEM), Computational Fluid Mechanics (CFD) -
- the quality management system of the engineering missions carried out by ITS are periodically reviewed and certified in accordance with the requirements of the ISO 9001 standard
- representation:
- marketing of silencers of all kinds, and of related hardware; all are distinguished by the quality of their design and manufacture, their high level of performance and their durability
- commercialization of installation work
- protection of workers against noise: against noise emitted by machines (compressed air outlets)
- preservation of acoustic environment: against industrial hardware installed outside of buildings (suction networks) and related to the acoustical insulation of buildings themselves (ventilation openings)
- limitation of noise emissions in energy sector: against noise emitted by machines, against industrial hardware installed outside of buildings (air intakes, burnt gas exhausts including those for gensets and gas turbines, stacks outlets, piping systems for pressurized fluids) and related to the acoustical insulation of buildings themselves (aeraulic networks inlets and outlets)
- measurement and testing rooms acoustics (ventilation systems, thermal engines exhaust systems foranechoic chambers and test rigs)
- acoustic comfort in buildings: against equipment noise (e.g. for Heating ventilation Air Conditioning - HVAC -: air conditioning and boiler room hardware)
ITS offers noise reduction by the means of silencers: ventilation, air-conditionning, air intake, exhaust, discharge, industrial process.
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E
Engine exhaust gas cleaning system
Exhaust system for combustion turbines / gas turbines
Soundproofing exhaust system for genset
Soundproofing exhaust system for heat engine
Soundproofing exhaust system for industrial engine
Soundproofing exhaust system for reciprocating internal combustion engine
N
Noise diminution device for aerocondensers / air coolers
Noise diminution device for Air Handling Units (AHU)
Noise diminution device for chillers / cooling systems
Noise limitation device for aerocondensers / air coolers
Noise limitation device for Air Handling Units (AHU)
Noise limitation device for chillers / cooling systems
Noise reduction device for aerocondensers / air coolers
Noise reduction device for Air Handling Units (AHU)
Noise reduction device for cooling towers
Noise reduction device for chillers / cooling systems
Noise reduction device for industrial chimneys / stacks
S
Silencer for aerocondensers / air coolers
Silencer for Air Handling Units (AHU)
Silencer for chillers / cooling systems
Silencer for cooling towers
Silencer for industrial chimneys / stacks
Sound attenuator for aerocondensers / air coolers
Sound attenuator for Air Handling Units (AHU)
Sound attenuator for chillers / cooling systems
Sound attenuator for cooling towers
Soundproof air intake system for combustion turbines / gas turbines
Soundproofing kit for Air Handling Units (AHU)
Soundproofing set for aerocondensers / air coolers
Soundproofing set for chillers / cooling systems
Soundprrofing set for cooling towers
Soundproofing set for industrial chimneys / stacks
Soundproofing system for combustion turbines / gas turbines
A
Absorptive silencer
Acoustic louvers
Air intake silencer for combustion turbines / gas turbines
B
Baffle silencer Blow down silencer
Blow off silencer for pressurized gas
D
Device for limiting the sound emissions of pressurized fluids
Discharge silencer
Dissipative silencer for ventilation / air conditioning systems
E
Exhaust silencer for combustion turbines / gas turbines
Exhaust silencer for engine
Exhaust silencer for generator sets
Exhaust silencer for heat engines
Exhaust silencer for industrial engine
Exhaust silencer for reciprocating internal combustion engines
I
Industrial chimney (stack)
Industrial silencer
N
Noise diminution device for combustion turbines / gas turbines air intake
Noise diminution device for combustion turbines / gas turbines exhaust
Noise diminution device for generator sets exhaust
Noise diminution device for industrial engines exhaust
Noise diminution device for industrial fans
Noise limitation device for combustion turbines / gas turbines air intake
Noise limitation device for combustion turbines / gas turbines exhaust
Noise limitation device for generator sets exhaust
Noise limitation device for industrial engines exhaust
Noise limitation device for industrial fans
Noise reduction device for blowing off / venting of pressurized gas
Noise reduction device for combustion turbines / gas turbines air intake
Noise reduction device for combustion turbines / gas turbines exhaust
Noise reduction device for discharge / blow down
Noise reduction device for generator sets exhaust
Noise reduction device for heat engines exhaust
Noise reduction device for industrial engines exhaust
Noise reduction device for industrial fans
Noise reduction device for reciprocating internal combustion engines exhaust
S
Selective Catalytic Reduction Device SCR - catalytic converter
Silencer for air inlet / effluents outlet in industrial process
Silencer for electric valves Silencer for industrial fans
Silencer for industrial fluids
Silencer for industrial soundproofing
Silencer splitter (baffle) for air inlet / effluents outlet in industrial process
Sound attenuator for blowing off / venting of pressurized gas
Sound attenuator for combustion turbines / gas turbines air intake
Sound attenuator for combustion turbines / gas turbines exhaust
Sound attenuator for discharge / blow down
Sound attenuator for generator sets exhaust
Sound attenuator for heat engines exhaust
Sound attenuator for industrial chimneys / stacks
Sound attenuator for industrial engine exhaust
Sound attenuator for industrial fans
Sound attenuator for reciprocating internal combustion engines exhaust
Sound trap
Soundproofing device for generator sets
Soundproofing device for industrial engines
Soundproofing kit for industrial fans
Splitter silencer
Steam vent silencer
V
Vent silencer for pressurized gas
Ventilation silencer