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Classification of manual and electric control valves
The author: Time:2020/8/27

一、電動(dòng)調(diào)節(jié)閥
      (1)按電動(dòng)執(zhí)行機(jī)構(gòu)的形式分類 ①角行程;②直行程;③多回轉(zhuǎn)式。
     (2)按附件形式分類①伺服放大器; ②限位開(kāi)關(guān)。
     (3)按流量特性分類①直線; ②等百分比;③拋物線;④快開(kāi)。
     (4)按上蓋形式分類①普通型;②散(吸)墊型;③長(zhǎng)頸型;④波紋管密封型。
二、手動(dòng)調(diào)節(jié)閥
     按閥芯形狀分類:①圓錐形;②柱塞形;③窗口形;④套簡(jiǎn)形;⑤多級(jí)形;⑥偏旋形;⑦蝶形;⑧球形或半球形。另外,還有(電)液動(dòng)調(diào)節(jié)閥和智能型調(diào)節(jié)閥等。

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