June 13, 2012

Henry Pratt Co. Unveils Series 300 Plunger Valve at ACE12

Latest Valve Design Helps to Improve Flow Control, Reduce Cavitation

AURORA, Ill., June 13, 2012 (GLOBE NEWSWIRE) -- Henry Pratt Co. introduced its Series 300 Plunger Valve—a flow control valve that reduces cavitation and stagnant water creation to help water systems improve operational safety, efficiency and flow control—at American Water Works Association's (AWWA) Annual Conference and Exposition (ACE12) in Dallas, TX. Henry Pratt Co. is a division of Mueller Co. and is a leading provider of high-quality valves, valve actuators and control systems for water distribution, water treatment, nuclear, fire protection, and power generation markets worldwide.

Traditionally, water system operators partially close control valves to help reduce water flows—ultimately creating cavitation that can significantly reduce the valves' operational lifespan and cause damage to pipe walls and fittings. The Henry Pratt Series 300 Plunger Valve features a field replaceable control insert that enables water systems to effectively reduce flow pressure while reducing cavitation levels.

"The advanced design of Pratt's Series 300 Plunger Valve provides municipal and industrial water systems with a control valve that has a significantly longer life expectancy compared to traditional valve designs, especially those that are intended for 'on-off' operation," said Sean Cardia, Business Development Manager for Henry Pratt Co. "By enabling users to control water flows with a valve that effectively reduces cavitation and stagnant water creation, this new offering is a testament to the continued innovation that has been part of Henry Pratt Co. for more than 100 years."

The Series 300 Plunger Valve contains a valve actuator mechanism that provides non-linear closure with precise surge resistance and effective control ranges as high as 96 percent. The plunger's O-ring seal, which is located outside of the cavitation zone—and four hard faced cylinder support guides—work together to help minimize wear and provide the valve with a longer operational lifespan. The valve's input shaft features a dual inboard seal that helps protect the shaft and the shaft bore from corrosion while helping to avoid stagnant water creation. These features optimize the durability of the Series 300 Plunger Valve while helping ensure a consistent level of cleanliness and sterility, a capability that is especially important for drinking water applications.

Henry Pratt Co. and Mueller Co. are subsidiaries of Mueller Water Products, Inc. (NYSE:MWA), a leading North American manufacturer and marketer of products and services that are used in the transmission, distribution and measurement of water. Henry Pratt Co. designs, develops, manufactures and markets butterfly, rectangular, ball, nuclear, industrial, cone, sleeve, and energy dissipating valves as well as valve actuators and control systems.

Safe Harbor Statement

This press release contains certain statements that may be deemed "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. All statements that address activities, events or developments that we intend, expect, plan, project, believe or anticipate will or may occur in the future are forward-looking statements. Forward-looking statements are based on certain assumptions and assessments made by us in light of our experience and perception of historical trends, current conditions and expected future developments. Actual results and the timing of events may differ materially from those contemplated by the forward-looking statements due to a number of factors, including regional, national or global political, economic, business, competitive, market and regulatory conditions and the following:

  • the spending level for water and wastewater infrastructure;
  • the level of manufacturing and construction activity;
  • our ability to service our debt obligations; and
  • the other factors that are described in the section entitled "RISK FACTORS" in Item 1A of our most recently filed Annual Report on Form 10-K.

About Henry Pratt Company

The Henry Pratt Company is a leading North American manufacturer and marketer of valves and accessories for use in water distribution, water treatment, nuclear, fire protection, and power generation markets worldwide. A subsidiary of Mueller Company, its broad product portfolio includes butterfly, ball, plug and check valves as well as engineering and project site field services. Based in Aurora, Illinois, Henry Pratt Co. employs approximately 200 people and is part of the Mueller Water Products (NYSE:MWA) group of companies. For more information, please visit www.henrypratt.com.

About Mueller Water Products, Inc.

Mueller Water Products, Inc. (NYSE:MWA) is a leading manufacturer and marketer of products and services used in the transmission, distribution and measurement of water. Our broad product portfolio includes engineered valves, fire hydrants, metering products and systems, leak detection and pipe condition assessment. We help municipalities increase operational efficiencies, improve customer service and prioritize capital spending, demonstrating why Mueller Water Products is Where Intelligence Meets Infrastructure™. The piping component systems produced by Anvil help build connections that last in commercial, industrial and oil & gas applications. Visit us at www.muellerwaterproducts.com.

CONTACT: Investor Contact: Martie Edmunds Zakas

         Sr. Vice President - Strategy, Corporate Development &

         Communications

         770-206-4237

         mzakas@muellerwp.com



         Media Contact: John Pensec

         Sr. Director - Corporate Communications & Public Affairs

         770-206-4240

         jpensec@muellerwp.com

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Source: Mueller Water Products, Inc.

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