气体灭火中大规格选择阀的开发与应用

摘要

According to the market demand and engineering design,this paper introduces the design of a large size selector valve with a simple structure,high practical applicability and flange connection and its application and analyzes the working principle,sealing performance,opening and closing of the valve.It is mainly used to control extinguisher flow direction in combination distribution fire-extinguishing systems and guarantee the extinguishant into protection zone.%根据市场及工程设计需求,研发了一种结构简单、实用性强、采用法兰形式连接的大规格选择阀设计与应用,分析了阀门的工作原理、密封性、开启及复位情况.其主要用于组合分配灭火系统中控制灭火剂流动方向,保证灭火剂进入发生火灾的保护区.