atg UV Technology

atg UV Technology, The World’s Leading Supplier of ATEX UV Disinfection Systems


Source: atg UV Technology

From offshore petrochemical installations, to pharmaceutical plants, whisky distilleries and food processing factories, the existence of hazardous areas and ATEX classified zones can pose a difficulty to operators when trying to source safe, reliable and certified equipment.  As a key water treatment technology, UV systems are increasingly required to be design for use in hazardous areas with explosive atmospheres.

Explosive atmospheres can be caused by any number of flammable gases, mists, vapours and combustible dusts such as sugar and powdered milk.  When a sufficient quantity of hazardous material is mixed with air, all that is needed to cause an explosion is a source of ignition such as a spark or even a high surface temperature.

Locations classified into hazardous zones are required by law to be protected from sources of ignition. Whilst there are many UV systems available on the market, there are very few that can meet the strict requirements of the ATEX & IECEX directives for installation into explosive atmospheres and classified hazardous zones.

atg UV Technology are the world’s leading supplier of ATEX certified UV disinfections systems, and have supplied some of the worlds’ leading operators and blue chip organisations such as Statoil, Shell, Transocean, Conoco Phillips, GDF Suez, Total, Alfa Laval, Astra Zeneca and may more with ATEX & IECEX Zone 1 and Zone 2 rated UV Systems and integrated skid packages.

A unique feature of the atg UV Technology design is the development of the worlds’ first Ex d design for the control panel.  Ex d designs (shown below) utilise a flameproof design and are designed to fully withstand an internal explosion. Using specially engineered Ex d joints, the control panel enclosure will allow the release of expansion gases following an explosion to be relieved through the joints, whilst not permitting the explosion to be transmitted into the external atmosphere.

In relation to Ex p or purged designs, which use positive gas pressure to create a safe area within the panel, Ex d solutions are significantly favoured by operators as Ex d equipment is proven to be safer, more robust, smaller, lighter and requires significantly less installation and maintenance activity.  In addition, due to the complex nature of Ex p designs and the requirement for a safe gas supply, Ex d solutions are often far more cost effective.

In addition to the world leading Ex d control panel design, the atg UV Technology UV chambers feature Ex nA (Non Sparking), Ex e (Enhanced Safety) and Ex d (Flame proof) designs, allowing for a flexible approach to almost any hazardous area specification in the world.  All Ex d panels feature a closed coupled Ex e junction box for both electrical and signal terminations, whilst the UV systems instrumentation utilises an Ex ia (intrinsically safe) Zone 1 solution that is often the minimum standard required by operators working in the petrochemical and offshore industry.

Typically atg UV Technology designs are suitable for ATEX Zones 1 and 2, and can accommodated Temperature Classification T3, and Gas Groups IIA, IIB and IIC as standard.

As the world leader for hazardous area solutions, atg UV Technology can provide either standalone UV systems, or fully integrated ATEX skid package designs featuring all required equipment such as valves, filters, manifolds and instrumentation.

Shown above: atg UV Technology ATEX and NORSOK UV skid solution for the Statoil Valemon offshore platform located offshore in the North Sea.

With significant hazardous area experience, atg UV Technology are the clear market leader for ATEX UV equipment. For further information regarding atg UV Technology’s ATEX solutions, please contact Paul Hennessey, atg UV Technology.

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