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DP17斯派莎克減壓閥
斯派莎克減壓閥啟動前導閥彈簧處于自由狀態時，主閥和導閥處于關閉狀態。導閥有彈簧力作用打開，蒸汽經由導閥進入主隔膜室，一部分蒸汽則經由控制孔流出，當導閥流入的蒸汽大于由控制孔流出的蒸汽，主隔膜閥中的控制壓力增大，打開主閥。隨著蒸汽流過主閥，

發布時間：2022-02-11型號：DP17

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