发布时间:2025-01-20 22:04:13
工作原理:当管道从进水端给水时,由于针阀、球阀、浮球阀是常开的,水通过控制室、球阀、浮球阀进入水池,此时控制室不形成压力,主阀开启,水塔(池)供水。当水塔(池)的水面上升至设定高度时,浮球浮起关闭浮球阀,控制室内水压升高,推动主阀关闭,供水停止。当水面下降时,浮球阀重新开启,控制室水压下降,主阀再次开启继续供水,保持液面的设定高度。
chanel小号cf手袋价格首次突破六万为何它的价格如此高昂
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