1.閥門不密封有異物卡住 清除異物;
2.密封副損壞 更換 ;
3.法蘭接合面處有泄漏螺栓擰緊不均勻 均勻擰緊螺栓;
4.法蘭工作面損壞 修整法蘭工作面;
5.墊片損壞 更換墊片;
6.閥門無法打開或關(guān) 閉傳動(dòng)部件松動(dòng)或失效 調(diào)整或更換已損零部件;
7.氣壓不足,漏氣嚴(yán)重 檢查并修復(fù)供氣管路;
8.氣動(dòng)元件老化,失效 更換已損氣動(dòng)元件;
9.閥腔積灰 通過吹孔向閥內(nèi)吃吹氣排灰;
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