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

一、电动调节阀
      (1)按电动执行机构的形式分类 ①角行程;②直行程;③多回转式。
     (2)按附件形式分类①伺服放大器; ②限位开关。
     (3)按流量特性分类①直线; ②等百分比;③抛物线;④快开。
     (4)按上盖形式分类①普通型;②散(吸)垫型;③长颈型;④波纹管密封型。
二、手动调节阀
     按阀芯形状分类:①圆锥形;②柱塞形;③窗口形;④套简形;⑤多级形;⑥偏旋形;⑦蝶形;⑧球形或半球形。另外,还有(电)液动调节阀和智能型调节阀等。

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