发布时间:2025-01-31 00:26:38
压力式温度控制器是早期的产品,优点是不需要电源,多用于防爆场合。探头是一个密封的容器,当温度改变时候。管道内的气体会膨胀或压缩产生压力,表头用一个弯曲的波纹管,就象有种玩具,一吹就伸直,不吹就弯曲带动指针就能显示温度了
压力控制器也是管道内压力变化带动一个机械开关,达到压力就打开或关闭开关,因此,要判断可在一定压力下调节设定压力看到规定附近压力有没有动作,有就是好的
厨房排烟管道加固有两种方法一种是挂网批荡一种是用红砖包起来做哪一种
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