气动三片式球阀分为整体式、两段式及三段式。阀体铸造采用国外引进的先进工

艺，结构合理、造型美观。阀座采用弹性密封结构，密封可靠，启闭轻松。阀杆采

用倒密封的下装式结构，阀腔异常升压时，阀杆不会被冲出。

英文翻译：

Pneumatic three-piece ball valve is divided into integral type, two-stage type and three-stage type. The valve body casting adopts advanced technology imported from abroad

Art, reasonable structure and beautiful appearance. The valve seat adopts an elastic sealing structure, which is reliable in sealing and easy to open and close. Stem mining

With the inverted sealed bottom-mounted structure, the valve stem will not be rushed out when the valve cavity is abnormally increased in pressure.

气动三片式球阀是由截止阀演变而来。它具有相同的旋转90度提动作，不同的是旋

塞体是球体，有圆形通孔或 通道通过其轴线。球面和通道口的比例应该是这样的，

即当球旋转90度时，在进、出口处应全部呈现球面，从而截断流动。 气动三片式球

阀只需要用气旋转90度的操作和很小的转动力矩就能关闭严密。完全平等的阀体内

腔为介质提供了阻力很小、直通的流道。通常认为球阀直接做开闭使用，但

发展已将球阀设计成使它具有节流和控制流量之用。球阀的主要特点是本身结构紧

凑，易于操作和维修，适用于水、溶剂、酸和天然气等一般工作介质，而且还适用

于工作条件恶劣的介质，如氧气、过氧化氢、甲烷和乙烯等。球阀阀体可以是整体

的，也可以是组合式的。

英文翻译：

Pneumatic three-piece ball valve evolved from the globe valve. It has the same lifting action of rotating 90 degrees, the difference is the rotating

The plug body is a sphere with a circular through hole or channel passing through its axis. The ratio of the spherical surface to the channel opening should be like this,

That is, when the ball rotates 90 degrees, it should all show a spherical surface at the entrance and exit, so as to cut off the flow. Pneumatic three-piece ball

The valve only needs to be rotated 90 degrees with air and a small torque can be closed tightly. Completely equal valve body

The cavity provides a straight flow channel with little resistance for the medium. It is generally considered that the ball valve is most suitable for direct opening and closing, but

Development has designed the ball valve to throttle and control flow. The main feature of the ball valve is its tight structure

It is easy to operate and maintain, and is suitable for general working media such as water, solvent, acid and natural gas. It is also suitable for

For media with harsh working conditions, such as oxygen, hydrogen peroxide, methane, and ethylene. Ball valve body can be integral

Yes, it can also be combined.

特点

1. 流体阻力小，其阻力系数与同长度的管段相等。

2. 结构简单、体积小、重量轻。

3. 紧密可靠，球阀的密封面材料广泛使用塑料、密封性好，在真空系统中也已广泛使用。

4. 操作方便，开闭迅速，从全开到全关只要旋转90°，便于远距离的控制。

5. 维修方便，气动球阀结构简单，密封圈一般都是活动的，拆卸更换都比较方便。

6. 在全开或全闭时，球体和阀座的密封面与介质隔离，介质通过时，不会引起阀门密封面的侵蚀。

7. 适用范围广，通径从小到几毫米，大到几米，从高真空至高压力都可应用。

   
   

   
   

   
   

浙江米勒洁净设备科技有限公司是国内专业生产制造洁净卫生级阀门管件，主要应用于食品机

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止回阀，过滤器、呼吸器、换向阀、防混阀、安全阀；

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