Diaphragm dishing most severe in steam turbines installed during the last three decades
The “Diaphragm Dishing Issues” presentation by Steampath Engineer Jeff Newton in MD&A’s Spring 2021 Webinar Series (February 18) addressed permanent axial distortion of steam-turbine diaphragms, commonly known as dishing. The effect is usually caused by deficiencies in main weld depths, weld materials, welding processes and/or steampath design with the maximum movement at the horizontal joint […]
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