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闸阀球阀蝶阀的区别
更新时间： 2020-07-06 00:00:00  

闸阀：阀体内有一平板与介质流动方向垂直，平板升降实现开闭。特点：密闭性好，流体阻力小，开闭力较小，用途广泛，也有一定调节流量性能，一般适用于大口径的官道上。球阀：利用一个中间开孔的球体作阀芯，靠旋转球体来控制发的开启和关闭。特点：结构较于闸阀简单，体积小，流体阻力小，可代替闸阀的作用。碟阀：开闭件为一圆盘形、绕阀体内一固定轴旋转的阀门。特点：结构简单，外形尺寸小，重量轻，适合制作较大直径的阀。由于密封结构及材料尚有问题，所以只是用于低压，用于输送水、空气、煤气等介质。

关键词： 蝶阀 区别

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