【摘要】 随着长距离调水工程的实施,管路排气不畅造成的爆管现象频繁发生,造成经济损失大,且严重影响了供水系统的安全和稳定运行。解决管路存气问题的有效办法之一是选择和安装性能良好的排气阀。本文分析了管路排气不畅对供水系统造成的危害和目前我国市场上常见排气阀的结构形式及其技术性能特点,及选择安装的技术建议,旨在帮助用户正确选择排气阀。更多还原

【Abstract】 With the growth of long distance and crossing catchment projects of supply water in our country,the air binding in the pipage often causes the phenomenon of pipe explosion, which not only results in the giant economic lost, but also severely affects the safe and stable operation of the supply water system. One of the effective measures to resolve this problem is to choose and install a proper air relief valve. This paper analyzes the harm about the air clogging in pipage, the mainly construction sorts, the capacities and characters of the air relief valve in the current market in order to help users choosing them.更多还原