公司名称：上海持承自动化设备有限公司

MR-J2S-70B原装生产
MR-J2S-70B低价冲销
MR-J2S-70B诚信合作


当您选择价格经济又实惠的产品，全新原装，请致电上海持承自动化设备有限公司，有一批销售经验一一解答您的疑问，我们尽量做到服务一百，售后一百，给客户交满意的答卷！
压力开关是一种简单的压力控制装置，当被测压力达到额定值时，压力开关可发出警报或控制信号。压力开关的工作原理是：当被测压力超过额定值时，弹性元件的自由端产生位移，直接或经过比较后推动开关元件，改变开关元件的通断状态，达到控制被测压力的目的。

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HF-KP23======全球五金网

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