  I am proud of the excellent reputation
the Industrial Acoustics Company has
built since we began over 50 years ago.
This Profile shows the depth of our design
and manufacturing experience, our
technical capability and our commitment
to high standards that are, I believe,
second-to-none.
Brian Quarendon, IAC Group President
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IAC Group of Companies
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| IAC Limited (UK) |
| IAC America Inc (USA) |
| IAC Nordic A/S (Denmark) |
| IAC Boet Stopson SAS (France) |
| IAC Sim Engineering & Soft SAS (France) |
| IAC GmbH (Germany) |
| IAC Stopson Italiana SpA (Italy) |
| IAC Stopson Espanola,SA (Spain) |
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Organisation and Background
Founded in 1949, IAC has become the
world’s largest provider of noise and acoustic control products,
structures and test facilities.
Employing over 500 people in the IAC
Group, IAC’s large and diverse product range includes everything:
- All kinds of silencers : Gas Turbines silencers,
engine exhaust silencers, vent silencers, boilers and HRSG silencers,
blow-down silencers
- Acoustic enclosures for noisy machinery (Process
industry, oil & gas industry, pulp industry, automotive industry
- Test cells for commercial or military aircraft
engines
- HVAC silencers and acoustic barriers
- Acoustic doors and windows
- Audiometric medical rooms
- Anechoïd chambers
- Military aricraft hush-houses
- Air intake and ventilation silencers for
aircraft and luxury ferries
- TV and radio media studios
- Road, rail and airport acoustic barriers
and run-ups
- Air Handling Units (AHUs)
- Music and entertainment rooms
IAC is an experienced exporter, supplying
equipment to over 50 countries throughout the Americas, Europe,
Africa, the Middle East and Pacific Rim, with manufacturing plants
on four separate sites in the UK, France, Denmark and USA. IAC’s
Global Headquarters are located in Winchester, UK, approximately
100km (70 miles) from London.
In addition to the facilities directly
operated by the company, IAC has manufacturing partners in low-labour-cost
countries in Eastern Europe and China. IAC also has a large network
of technical sales engineers, agents and distributors, offering
advice and assistance to customers around the world. Several of
these manufacture IAC products under license.
Products and Marketing
IAC offers imaginative
solutions to an extraordinarily wide range of noise pollution and
sound quality problems.
- Noise Control for Gas Turbine Engine
/ Power Generation
Turnkey noise-controlled and air filtration packages for
high technology shipboard and land-based gas turbine engines.
Complete systems for the Utilities, Chemical and Oil Industries
: Combined cycles, diesel, fuel or coal-fired power plants,
nuclear plants, off-shore platforms, cogeneration, etc.
. IAC BOËT STOPSON's scope of supply includes engine exhaust
silencer, gas turbines silencers (primary and by pass),
HRSG silencers, blow-down silencers, Modular Acoustic Enclosures
for Gas Turbines and auxiliary equipement , control rooms,
compressors, transformers, blowdown valves, etc.
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- Oil & Gas, Process and manufacturing Industries
Engine Exhaust Silencers, Compressed Gas Silencers, Vent
Silencers for all types of gas, temperature and flows, Acoustic
Enclosures and Barriers for noisy machinery or staff protection,
sound-proofed test facilities, etc.. Thanks to IAC BOËT STOPSON experience, be sure to meet or exceed noise regulations
standards. Complete solutions for LNG trains, Pipelines
Compressors Stations, chemical plants, pulp plants, printing
plants and automotive plants.
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- Acoustic Testing / R&D Facilities
Modular Soundproof Rooms, Anechoic and Reverberant Chambers,
for product testing and development, scientific and medical
research.
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- Construction Equipment
Noise Control Systems for portable air compressors, diesel
generator sets, pneumatic drills and other applications
to meet requirements of the Control of Pollution Act or
other local legislation.
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- Rail, Road and Airport Infrastructures
IAC BOËT STOPSON design and manufactures all types of Acoustic
Barriers dedicated to protect local communities against
trafic noise from roads, railtracks or airports.
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- Jet Engine Test Cells and Aircraft
run-Up Silencers
Design, manufacture and installation
of aero engine test facilities and noise suppression systems
for military and commercial aircraft including tailored
support packages for fixed and rotary wing aircraft engines.
IAC also offers facility refurbishments as an upgrade specialist.
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- Architectural
High privacy movable Acoustic Walls and Acoustic Doors for
Convention Centres, hotels and offices, Educational Study
Rooms, Music Practice and Recording Rooms for institutions,
schools and universities. Acoustic Ceilings, providing high
transmission loss and absorption characteristics.
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- Building Services
Quiet DUCT Silencers, Conic FLOW Silencers and Quiet FLOW
Plenums for control of noise from Air Conditioning Systems
- Quiet VENT Silencers for conversational privacy, Cooling
Tower Silencers and Equipment Room Noiseshield Louvres for
neighbourhood noise control. Also, customised, pre-commissioned,
low-noise Air Handling Units (AHUs) for fast-track construction
projects.
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- Studios
Modular Studios for Radio, TV, Video, Post Production and
Recording guaranteed to perform to exacting acoustic specifications
- turnkey supply includes all acoustic walls, floors, roofs,
windows and doors, silenced air conditioning, lighting,
carpeting and full decoration.
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- Medical Life Sciences
Environmental structures for audiological and psycho-physiological
examination and research, ranging from auscultation units,
animal chambers and ‘Mini-Booth’ Audiometric
Testing Rooms to multi-room speech and hearing complexes.
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Engineering and Manufacturing Capability
IAC has manufacturing
facilities of over 21,400m² (230,000ft²) in four countries,
ie., Winchester, UK, New York, USA, Lille, France and Copenhagen,
Denmark.
IAC maintains a
Quality Management System in conformance with BS EN ISO 9001:2000,
Lloyds® accreditation certification number 932300.
In addition, the
company complies with the quality standards of government agencies
such as UK Ministry of Defence, USAF, US Navy, NATO, The Canadian
Airforce, The Canadian Navy, Royal Kuwait Airforce and the Royal
Netherlands Navy.
Research Facilities
IAC's commitment
to research and development was established over fifty years ago
and remains as strong as ever today. IAC's laboratories are not
used exclusively for new product development. The periodic, on-going
testing of existing products is a vital part of our quality control
programme, ensuring that performance data is consistently accurate.
 IAC
has two modern, purpose-built Acoustic Research and Development
Centres based at IAC America in New York, USA, and at IAC SIM Engineering
SA in Lille, France.
The fully equipped
Acoustic Laboratory in Lille, France comprises of an Anechoic Chamber,
Reverberation Room and Impedance (Kundt) Tubes, and has the expertise
and skills to perform acoustic and vibration diagnosis.
The Aero-acoustic
laboratory in New York, USA contains several test facilities designed
for dynamic and static testing that include:
- Two reverberation rooms
for sound transmission loss and sound absorption testing.
- A wind tunnel for dynamic
testing of silencers including insertion loss and self noise.
- An impedance tunnel
used to determine the sound absorption co-efficients of Anechoic
Room fibre glass and foam wedges.
- Full-scale Air Handling Unit
Test Facility
IAC is a Sponsor member of the
following professional body:
UK Institute
of Acoustics
IAC is also a member
of the following Associations:
Registered Head Office
IAC House, Moorside Road, Winchester,
Hampshire SO23 7US. Registered in England No: 606877
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