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气动O型球阀：工业流体控制的关键设备

气动O型球阀是工业场中流体控制的重要阀，在许多行业中起着至关重要的作用。
它巧妙地与气动执行器和O形圈球阀结合在一起。球体是核心成分，其上的圆形开口与管道的直径匹配。阀杆将球形连接到执行器，从而传递能力以实现球体的旋转。执行器使用压缩空气作为电源，通常包括活塞类型，单个表演和双重作用。当阀门失去空气时，它将自动打开或完全关闭以确保安全。当双重动作失去空气时，阀将保持其当前位置。
它的工作原理是由气源压力驱动的。收到控制信号后，执行器将气体源压力转换为活塞上的扭矩。当扭矩大于阀杆的反向扭矩时，阀杆将球驱动到旋转至约90°，完成阀门的打开并关闭并准确控制流体流动。
气动O型球阀具有显着的优势。在性能方面，笔直穿过铸阀主体与硬化的球形表面相匹配，该表面具有耐磨性，使用寿命长，流量高和低流动性；在操作过程中，动作是可靠的，响应很快，并且可以快速切断或打开液体；在控制方面，控制系统相对简单，可以轻松实现自动化和遥控器。此外，它具有出色的密封性能和各种密封材料可供选择，从而有效防止流体泄漏。
在规格方面，名义直径通常在DN15和DN450之间，标称压力为PN16-64MPA，并且适用的温度因密封类型而变化。
在石化工业中，它可以承受严格的工作条件并准确控制原材料和产品的运输；在天然气运输中，可以快速切断气流以确保安全。在食品和药品等行业中，卫生级气动O型球阀符合高清洁流体控制的要求。
随着工业自动化的发展，气动的O型球阀正在不断创新和升级，朝着智力和高性能迈进，并不断为工业流体控制领域做出贡献。
August 02, 2025
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