固定球阀

固定球阀是流体控制领域中的关键装置，其独特的结构设计和出色的性能脱颖而出。该阀具有一个结构，在座椅浮动时，球是固定的。当受到中等压力时，座椅会自动压在球上，从而产生双向密封，可有效防止中等泄漏。它的密封性能可以满足API 6D标准的要求。球的表面经历了硬化处理，并与耐磨损和耐腐蚀的座椅材料（例如PTFE或金属合金）配对，在高压，高温和高度腐蚀的条件下实现稳定的操作，并确保长期使用寿命。

在操作过程中，阀杆由手柄，蠕虫齿轮或电动和气动执行器驱动，导致球旋转90°以实现完全开放或完全的近距离位置。该阀可快速开放和关闭，操作扭矩低。由于其高流量和低流动性系数，固定球阀被广泛用于油气管道，化学工程和城市气体分布等行业。它可以精确控制培养基的流量，并在紧急关闭和调节方案中表现出色，并作为确保工业管道系统安全有效运行的核心组件。

June 14, 2025

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