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Severn Trent Services Ltd

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Products and turnkey systems design and implementation capability in water analysers/monitors, disinfection equipment using chlorine, electrolytic and U.V. technologies, chemical dosing skids, hazardous gas safety shut-down systems, water audit/metering, waste-water and industrial effluent filtration systems

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Mr Alex Lloyd
Arley Drive Birch Coppice Business Park
Dordon
Tamworth
Warwickshire
B78 1SA
www.severntrentservices.com

Severn Trent Services Introduces Intelligent Gas Flow Control Valve

FORT WASHINGTON, Pa. - October 23, 2007 - Severn Trent Services is introducing the Capital Controls® Series 70CV3000 Chloromatic™ 3000 Intelligent Gas Flow Control Valve, a wall-mounted system designed for automatic control of chemical feed in water or wastewater applications.

The Chloromatic 3000 is an integrated, microprocessor-based controller with control valve that responds to multiple process signals from a water flow transmitter or chlorine residual analyzer.

The Chloromatic 3000 eliminates the need for continuous operator monitoring and manual adjustment of the gas feed rate resulting from changes in flow and/or residual levels. The automation of the chemical feed process will lead to a reduction in gas consumption for water and wastewater utilities, since manual system feed rates are based on peak process conditions. The Chloromatic 3000 is field configurable for flow proportioning, residual, compound loop or feed forward control.

While the Chloromatic 3000 features ten range capacities from 10 to 3,000 pounds per day (up to 60 kg/hr) for chlorine, it is also suitable for use with sulfur dioxide, ammonia and carbon dioxide. The system comes standard with an 11-step calibration of the valve plug that yields a true gas flow retransmission signal and eliminates the need for a separate linearized D/P transmitter.

The Chloromatic 3000 is used in conjunction with a vacuum regulator, gas flowmeter and an ejector to provide a complete disinfection system. The product will be available for shipment in the first quarter of 2008.

About Severn Trent Services

Severn Trent Services (www.severntrentservices.com), with global headquarters in Fort Washington, Pa., is a leading supplier of water and wastewater treatment solutions. The company's broad range of products and services is concentrated around disinfection, instrumentation and filtration technologies, contract operating services and state-of-the-art residential metering products and services. Our analytical services group is the United Kingdom's leading environmental testing organization, and our international management services business provides support in 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.

For further information please email Severn Trent Services Ltd

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