2016
DOI: 10.9725/kstle.2016.32.1.32
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Wear Characteristics of Metal Ball and Seat for Metal-Seated Ball Valve

Abstract: − The wear characteristics of metal ball and seat in a metal-seated ball valve significantly affect the performances such as leakage and valve torque. In this work, the wear characteristics of metal ball and seat are experimentally investigated. A stainless steel ball and seat with a high corrosion-resistant coating are prepared and a component level test was performed. The hardness and surface roughness of specimens cut from the metal ball and seat are measured before and after the test using a micro-Vickers … Show more

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