D352328X012/Jul18 PULP & PAPER Recycled Paper Mill Improves Steam Temperature Control with a Fisher TM DFA Desuperheater Valve RESULTS • Improved steam temperature control to within 0.5 degrees Fahrenheit of setpoint • Eliminated valve sticking issues and avoided repair and downtime costs • Reduced the potential for thermal shock, vibration, and damage to downstream equipment • Extended valve trim service life by one year and counting APPLICATION Temperature control of a steam dryer on a paper machine CUSTOMER Recyled paper mill in Tennessee, USA CHALLENGE Getting steam to the dryer end of a paper machine typically requires a desuperheater (DSH) unit with an integral or separate spraywater valve (SWV) installed upstream to control steam temperature near saturation. The c

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