PULP & PAPER Paper Mill Achieves One Year ROI on Installation of Fisher TM Control-Disk TM Valve RESULTS • Saved $120,000 USD in valve maintenance • Increased uptime to 24 months APPLICATION Turbine used to control header pressure CUSTOMER Paper mill in the United States CHALLENGE This application was originally designed using an eccentric- disc butterfly valve. In the late 1990s, the mill installed a segmented ball valve in order to achieve greater control. With the greater control came an increase in maintenance. Yearly maintenance was around $40,000 USD. Loop response required fast and frequent adjustments to maintain tight control of the header. Because of the constant movement, excessive seal, ball, and bearing wear was occuring on the segmented ball valve. The extensive we

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