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气时，因调节阀用力过度使接头滑扣，气源管被冲掉，调节阀马上开始动作。仪表工立即将气源管选插回，用手按紧，恢复了调节阀原来位置，然后配合操作人员将调节阀的手轮还有接头都能更换掉，以免发生意外，所以在紧急情况下可以采取措施。 下面就简单讲解一下调节阀有哪些方面比较能出现故障。1、调节阀盘根可能会出现故障。在阀杆与盘根间的摩擦力使调节阀小信号难以动作，大信号跳跃振动，造成调节过程中调节阀波动较大，参数难以稳定。摩擦力大时造成调节阀单向动作甚至不动。所以在日常维护中应该定期增加润滑油或润滑脂，盘根老化严重，泄露严重的应该更换盘根。2、调节阀的漏量比较大，调节阀全关时阀芯与阀座之间有空隙，造成阀全关时介质的流量大，被控参数难以稳定。 3、调节阀安装管道前

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