Liquid Chemical Feed System suits water/wastewater treatment.

Press Release Summary:

Offered with integrated controls for automated operations, alarm indication, and system shutdown, ADVANCE® Series PDS Precision Dosing System employs one hydraulically balanced pump. Pre-assembled, pre-wired packaged skid system precisely injects liquid chemicals across various applications and operating conditions. System features corrosion-resistant materials for wetted components in single and multiple-pump system arrangement.

Original Press Release:

Severn Trent Services Introduces More Accurate Liquid Chemical Dosing for Water and Wastewater Treatment

New ADVANCE® Series PDS Precision Dosing System features integrated controls and durable construction, providing for ease of operation, less maintenance, and greater reliability

Fort Washington, Pa. - June 11, 2003 -Severn Trent Services today introduced one of the most versatile liquid chemical feed systems for the water and wastewater treatment market, the ADVANCE® Series PDS Precision Dosing System. The pre-assembled and pre-wired packaged skid system has been designed to efficiently and precisely inject liquid chemical across an extensive range of applications and operating conditions. Fully integrated controls provide for greater ease of operation, less maintenance and greater reliability.

As a pre-packaged chemical metering pump system with integrated controls, the PDS system configuration enables simple start-up and operation by the user. The PDS system features corrosion-resistant materials for all wetted components in the single and multiple-pump system arrangement. The fully integrated controls provide for automated operations, alarm indication and system shutdown. Flow proportioning control and auto switchover for multi-pump systems are available. Other optional features include alarms for low tank level, tank mixer and system shutdown.

The PDS system can be used in hypochlorite, caustic, alum and aqueous ammonia applications. The hydraulically balanced pump used in the PDS system affords greater accuracy compared to competitive equipment. Durable construction ensures low maintenance and dependable operation, and the system is backed by a three-year warranty. The PDS is available and can be obtained by contacting Severn Trent Services at 215.997.4000.

About Severn Trent Services

Severn Trent Services (, based 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 and filtration technologies, pipeline analysis, rehabilitation and repair services, contract operating services, and state-of-the-art residential metering products. The company is part of the Severn Trent Group (London: SVT.L), Birmingham, England, an international environmental services leader. Severn Trent is a FTSE 100 company.

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