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Hydro International

About

Hydro International Ltd is a global company that provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management processes, increase operational performance and reduce environmental impact. With over 30 years of experience and a reputation for engineering excellence, businesses and public organisations all over the world rely on Hydro International products and services to reduce flood risk, improve water treatment and protect the environment from water pollution. Headquartered in Clevedon, UK, Hydro International has a network of over 80 distribution partners and serves customers in more than 40 countries.

Contact


Shearwater House
Clevedon Hall Estate Victoria Road
Clevedon
Bristol
BS21 7RD
www.hydro-int.com

Hydro Launches First Defense® for Economical Surface Water Treatment

Hydro International's innovative First Defense® vortex separator is now available for the first time in the UK, in response to the growing need for economical surface water treatment on new developments, car parks and highways.

Already well-established and proven in the US, First Defense® uses a gentle vortex action to remove coarse particles, litter and oil from surface water runoff - a requirement which will become increasingly important as a result of growing regulation for Sustainable Drainage Systems (SuDS) in future.

The First Defense® has been launched as part of the Hydro StormTrain ™ Series of surface water treatment devices, a comprehensive toolbox for silt, sediment and pollutant removal as part of SuDS.

"By introducing First Defense®, Hydro is adding a well-established, proven technology to its UK range of surface water treatment devices, creating the broadest choice of proprietary treatment products available ," said Alex Stephenson, director of Hydro International's UK Stormwater Division. "First Defense® provides an economical option where litter, oil and coarse particles need to be removed."

Designed and developed by Hydro International, First Defense® is already proven in the US and has passed the stringent certification criteria of many US regulatory authorities.

Delivered as a pre-cast standard-size concrete manhole with internal components pre-fitted, First Defense® delivers repeatable, predictable, at-source pollution control for small- to medium-size catchments with easy installation and minimal maintenance.

The internal components of the First Defense® are designed to create a low energy rotational flow within the chamber, allowing sediments to settle to the sump, while oils, floating litter and debris rise to the upper containment area. Harmful pollutants are therefore captured safely within the device, protecting public areas.

The gentle action of low-energy vortex separation eliminates excessive agitation of captured pollutants, ensuring they are not resuspended during peak flows. During peak rainfall events, the integral bypass also ensures pollutants remain within the chamber and are not washed out.

The orientation of the outlet can be adapted to suit site conditions. Single and multiple inlet pipes are also available, along with an inlet surface grate for maximum design flexibility.

"Deciding on the correct SuDS-compliant treatment solution to meet the requirements of the catchment and receiving watercourse can be difficult," adds Alex Stephenson. "Hydro StormTrain™ Series offers a comprehensive range of options and the devices, including First Defense®, that can be used individually or in combination to achieve an effective SuDS management train."

The expectations of the EU Water Framework Directive (WFD) are influencing the development of legislation in England, Wales and Northern Ireland, as well as driving the implementation of established regulations in Scotland. In every case, the Hydro StormTrain™ Series offers future-proof SuDS-compliance.

Hydro has developed a useful online Treatment Selection Tool to help users examine the options and consider the likely consequences in terms of cost and pollutants. Visit www.hydro-int.com/stormtrain/tool

For more information on the Hydro StormTrain™ Series call the StormTrain™ hotline on 01275 337955, email stormtrain@hydro-int.com or visit www.hydro-int.com/stormtrain


For further information please email Hydro International

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