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고차압에서 운전되는 모터구동게이트밸브의 부하율 향상 방안
김대웅(D.-W. Kim),박성근(S.-G. Park),홍승열(S.-Y. Hong),유성연(S.-Y.Yooh) 한국유체기계학회 2003 유체기계 연구개발 발표회 논문집 Vol.- No.-
This paper presents the method of Rate of Loading(ROL) improvement for the Motor Operated Gate Valve operating in high differential pressure condition. The character of ROL and Stem Factor is analyzed. Static test and dynamic test were performed and acquired the diagnosis signal for the valve closing stroke. The result of this study is the modification of stem factor is very important factor for the ROL improvement. In order to obtain the same value of dynamic test thread friction coefficient, stem and stem nut should be combined appropriately.