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The main content of pneumatic control valve is checked in daily maintenance
The author: Time:2021/6/2

        气动调节阀日常维护在日常巡回检查中进行,每班不少于一次其主要内容有:
        (1)向当班工艺操作人员了解调节阀运行情况; 
        (2)查看调节阀、定位器(电气转换器)供气压力及气源净化情况是否正常; 
        (3)检查空气管路接头是否漏气、松动;
        (4) 查看执行机构运行是否灵活; 
        (5)查看调节器输出、定位器(转换器)输出和调节阀动作位置是否相对应;
        (6)调节阀在手动位置时,观察调节阀杆是否仍有.上下移动现象,如有则应检查调节阀执行机构,发现问题及时处理;
        (7)查看执行器、调节阀各动静封点有无泄漏; 
        (8)用听诊探棒置于阀杆处,探听阀芯、阀座在动态运行中是否有异常杂音和较大的振动; 
        (9)发现问题及时处理,并做好巡回检查记录。

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