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Xylem extends and upgrades UV system range for drinking water

Posted: Thursday 7th September 2017

For safe UV disinfection of drinking water supplies, Xylem has added four new models to its Wedeco Spektron UV disinfection series: Spektron 2e, 5e, 10e, and 75e.

All models are certified according to the German association for gas and water (DVGW) drinking water regulation, and securely deliver a UV dose of 40 mJ/cm2 for safe disinfection of drinking water. With the latest additions, Xylem's range of Wedeco UV disinfection systems for drinking water supplies cover flow rates from 2m3 to 4000m3 per hour.

The new models are equipped with Ecoray UV lamps, which offer reliability, high efficiency and energy savings of up to 20 per cent due to its optimised hydraulics and variable power control. The high output of the Ecoray technology means fewer lamps are needed, allowing for smaller systems and therefore lower costs and minimal maintenance.

The UV dose is controlled via an EcoTouch controller which is able to monitor operating conditions such as flow, UV transmittance, and UV intensity in real time and adjust the lamps' energy consumption to meet the UV dose requirement.

Features of the new systems include minimised reactor length, thanks to the shorter Ecoray lamps, and reduced installation time. The very compact cabinets are in painted sheet steel with passive cooling and silent operation, which is also suitable for 45oC ambient temperature with IP65 rating. What's more, there is an optional warm water applicability of up to 60oC (140oF) for relevant applications.

Duncan Leathley, General Manager - Treatment at Xylem, comments: "The newest members of the Spektron series sit alongside our existing mid-sized and large UV disinfection systems and together form a comprehensive offering for the market. Featuring highly efficient UV lamps, and more specifically the unrivalled Ecoray technology, we believe our offering is a real differentiator for drinking water plants and look forward to working with existing and new customers to realise the range's true potential."

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