UNiGY® Pump System Revolutionizes Positive Displacement Pump Control

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Patented pump system technology reduces energy use up to 60%.

Kadant UNiGY

Kadant AES, a division of Kadant Inc. (NYSE:KAI) and a global provider of fluid process solutions, offers the UNiGY® pump-control system, an exclusive and patented feed forward hydraulic control echnology for high-pressure positive displacement process pumps. Equipped with UNiGY PhD (Pump-modeling hydraulic Drive TM ) technology, the system employs mathematical models to improve energy efficiency, process control, and system availability of positive displacement pumps used in processes where flows and pressures vary.

Pump-control produces precise flow rates and pressures: An elegantly simple system, UNiGY pump-control technology employs intelligent pump-control software to produce the precise flow rates and pressures demanded by the application, and no more. The UNiGY PhD continually senses demand and manages pump speed and applied torque to satisfy variations in process demand, significantly lowering energy consumption and noise.
Feed forward hydraulic control l maintains desired systems pressure: For processes where hydraulic demand is intermittent, the UNiGY feed forward hydraulic control technology can reduce maintenance costs and extend pump life. This is achieved by slowing pump speed when flow is not required while using torque management technology to maintain desired system pressure at all flow rates.
positive displacement pumps can be easily retrofitted or incorporated: UNiGY positive displacement process pump-control technology can be retrofitted into existing process systems and incorporated into new installations. The technology reduces system complexity by eliminating the need for flow and pressure sensors and control valves.

About UNiGY Pump-Control Technology
UNiGY pump-control technology is a patented technology that utilizes pump-modeling software in closed-loop Flux Vector Drives for hydraulic power generation and to monitor and control high pressure positive displacement pumps. Distinct from VFD technology, UNiGY PhD (Pump-modeling hydraulic Drive) technology provides precise control of both pressure and flow. Developed under a grant provided by the New York State Energy Research and Development Authority (NYSERDA), UNiGY technology reduces energy use, simplifies system design and provides valuable pump and systems diagnostics which significantly reduces maintenance and downtime expense. Unigy is a registered trademark of Kadant Inc. and available through the Kadant AES Division. For more information, please visit http://www.kadantunigy.com.

The following constitutes a "Safe Harbor" statement under the Private Securities Litigation Reform Act of 1995: This press release contains forward-looking statements that involve a number of risks and uncertainties, including forward-looking statements about our products and technologies. Important factors that could cause actual results to differ materially from those indicated by such statements are set forth under the heading "Risk Factors" in Kadant's quarterly report on Form 10-Q for the period ended March 29, 2008. These include risks and uncertainties relating to our dependence on the pulp and paper industry; significance of sales and operation of manufacturing facilities in China; international sales and operations; competition; our debt obligations; restrictions in our credit agreement; future warranty claims associated with the discontinued operation; our acquisition strategy; future restructurings; risks associated with our fiber-based products business; protection of patents and proprietary rights; fluctuations in quarterly operating results; and anti-takeover provisions. We undertake no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, or otherwise.

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Nicole Followell

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