水轮机进水蝶阀开启或关闭后为什么要投入锁锭-查字典考试网

水轮机进水蝶阀开启或关闭后为什么要投入锁锭

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正确答案：

由于蝴蝶阀活门在稍偏离全开位置时有自关闭的水力矩，因此在全开位置必须有可靠的锁锭装置。同时，为了防止漏油或液压系统事故以及水的冲力作用而引起误开或误关，一般在全开或全关位置都应投入锁锭装置

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