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Hydro International has announced that its STH range of Hydro-Brake flow controls has been awarded British Board of Agrement (BBA) certification following a six-month assessment.

Alex Stephenson, director of Hydro International’s Stormwater operations, said: ‘Hydro has sought BBA certification for the STH Hydro-Brake range to combat the problems caused when engineers specify a vortex flow control without understanding the variation in performance between different products.

‘Inferior performance increases the flood risk, and care needs to be taken to ensure that the products purchased by the installer are up to the job.

‘By specifying that the flow-control devices must have BBA certification, engineers can now ensure their flood-relief and attenuation schemes will deliver the protection they were designed for.’ All Hydro’s Hydro-Brake Vortex flow control devices meet the highest performance specifications to control stormwater flow safely and effectively.

Vortex flow control devices use an air-filled core to limit the volume of water flow to a designed constant rate while the head builds up.

As the cross-sectional area of the outlet of the Hydro-Brake flow control can be up to six times that of the equivalent orifice plate, maintenance is far easier and there is much less risk of blockage.

The other main advantage, according to Hydro International, is that Hydro-Brake flow controls can reduce the upstream capacity required to accommodate the stored stormwater compared to penstocks and other devices, greatly reducing the capital expenditure on the project.

Hydro International

Hydro International is a market-leading provider of products and solutions to control the quantity and improve the quality of water with minimal maintenance.

Hydro’s business operations are based in the UK, US and Ireland and its products are also used across the globe. Hydro products have won international awards for outstanding contributions and technical innovation in the water industry.

Hydro Stormwater

Hydro International’s Stormwater Division delivers sustainable, efficient and cost-effective solutions for water management with minimal land-take. All Stormwater products have no moving parts, no power requirements, a small footprint and low maintenance requirements.

Hydro Wastewater

Hydro International’s Wastewater Division provides products and designs solutions for the effective treatment of effluent and potable water. It is also a trusted partner for spares, service and maintenance agreements to water asset managers.

Hydro’s treatment systems cover an extensive range of water and wastewater management solutions including grit removal, sludge scraper systems, primary and washwater clarification, aeration, sand filtration, sludge screening and transportation and Combined Sewer Overflows.

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