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當前位置:首頁 » 博揚智能資訊中心 » 減壓閥/電磁閥 » 比例流量控制閥符號和比例壓力控制閥符號的作用

比例流量控制閥符號和比例壓力控制閥符號的作用

發表時間:2022-01-22 17:04【 閱讀量:-查看手機網址
掃一掃!比例流量控制閥符號和比例壓力控制閥符號的作用掃一掃!

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  比例流量控制閥符號:


  比例流量控制閥是一種逐漸而不是立即增加其孔口開口面積的閥。這些比例閥符號顯示了一個簡單的二通兩位滑閥,其比例滑閥由圍繞閥元件的兩條附加線表示。第一個符號是電控的,第二個符號是由一個與另一個物體機械接觸的滾輪控制的。第三個符號是電控可變孔板裝置。

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  比例壓力控制閥符號:


  所有壓力控制閥的操作與其先導壓力成比例,因此該符號不包括框周圍指定方向閥比例版本的額外線條。標準開/關電氣控制和比例電氣控制之間符號的主要區別在于穿過螺線管的箭頭和可能顯示內部電子設備的虛線三角形符號。比例減壓閥在移動控制塊上非常常見,因為它們用于在控制比例方向閥的閥芯末端施加壓力。

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