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2023-02-23
阀门型号
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2023-02-22
闸阀阀体结构
闸阀的结构 闸阀阀体的结构决定与阀体与管道、阀体与阀盖的连接、就制造方法而言,有铸造、锻造、锻焊、铸焊以及管板焊接等几种。 通常从经济性考虑,公称通经等于或大于 50mm 的阀门采用铸造,小于 50mm 的采用锻造。但是,随着现...
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2023-02-21
什么是倒密封闸阀?
倒密封闸阀是指闸阀阀杆中间部位有个密封面,阀盖内部有个密封座,全开的时候接触到一起,起到密封作用,减少流体对填料的冲蚀,延长填料的使用寿命,减少了外漏的可能。一般对闸阀,截止阀都有倒密封的要求。 倒密封闸阀在全开状...
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2023-02-20
Y型过滤器简介与测试原理
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2023-02-18
减压阀的工作原理
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2023-02-17
减压阀、安全阀、稳压阀、泄压阀的区别与不同
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