Severn Trent Services Marks 50th Anniversary of its Capital Controls® Product Line

Capital Controls gas feed systems and accessories are among the most widely used chlorination technologies globally.

FORT WASHINGTON, Pa. - Severn Trent Services' Capital Controls® product line of gas feed systems and accessories marks its 50th anniversary in 2010. The Capital Controls product line pioneered the first all-vacuum feed technology as a safer method to feed gaseous chlorine. Since its introduction, the Capital Controls technology has become the established standard for chlorine gas feed systems and is among the most widely used chlorination systems globally.

According to Tom Mills, Severn Trent Services' vice president of marketing and business development, "The Capital Controls product line, synonymous with reliable technology and exceptional service, has helped globalize the Severn Trent Services brand. Our people and technologies have been trusted for 50 years, and our disinfection products are used in water, wastewater and industrial wastewater applications in thousands of facilities around the world. Chlorination continues to be the most widely used disinfection technology globally, so that market, in particular, has been a robust business for us."

The Capital Controls line of gas feed disinfection technology includes chlorination, dechlorination / sulfonation, ammoniation and recarbonation equipment to address a wide variety of application-specific treatment needs. Over the past 50 years, the product line has introduced innovative solutions enabling pressurized gas feed systems to meet the most stringent safety standards on a global basis. The product line's development of amperometric chlorine analyzers in the late 1970s, for example, has helped assure users that they meet their residual permits and provide safe drinking water.

About Severn Trent Services

Severn Trent Services (, with global headquarters in Fort Washington, Pa., USA, is a leading supplier of water and wastewater solutions. The company's broad range of products and services is concentrated around disinfection, instrumentation and filtration technologies and contract operating services. Our analytical services group is the United Kingdom's leading environmental testing organization, and our international operating services business provides worldwide contract operation and support for all aspects of water and wastewater utility operational development and business transformation. Severn Trent Services is a member of the Severn Trent Plc (London: SVT.L) group of companies. Severn Trent is a FTSE 100 company.

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