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危险物品输送管道需要加设止回阀吗

2025-03-15 03:54:44

推荐回答（1个）

回答1：

【风管加设止回阀作用】风管加设止回阀，是防止风向变化产生负压，出现空气倒灌的现象。【风管】是用于空气输送和分布的管道系统。【止回阀】是指依靠介质本身流动而自动开、闭阀瓣，用来防止介质倒流的阀门，又称逆止阀、单向阀、逆流阀、和

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