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家用止回阀 安装

浏览：52次 | 提问时间： 08-04 12:00
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6个答案
没人疼 08-04 12:01

自吸泵前装旋启式，转动式或自动式类型止回阀均可。止回阀又称单向阀或逆止阀，其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于止回阀类。锻钢止回阀有二种体盖连接设计形式：第一种是体盖螺栓连接锻钢止回阀，按这种连接形式设计的阀门，其阀体与阀盖用螺栓连接，缠绕式垫片密封，优点是便于维修；第二种体盖全焊密封锻钢止回阀，按这种连接形式设计的阀门，其阀体与阀盖用螺蚊连接，全焊密封，优点是无泄漏。

悄然闻泪声 08-04 12:09

1，可以选择簧压式止回阀，能够做到密封严密。2，止回阀又称单向阀或逆止阀，其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于止回阀类。启闭件靠介质流动和力量自行开启或关闭，以防止介质倒流的阀门叫止回阀。止回阀属于自动阀类，主要用于介质单向流动的管道上，只允许介质向一个方向流动，以防止发生事故。

不会低头风度全失 08-04 12:18

一般安装在水表后。主要原因：如果用水点的位置高于水表安装位置，一旦管网中出现停水，管道中剩余的水会反过来像水表方向流动。这就会造成水表反转，对水表造成损坏。在水表后安装了止回阀，就可以避免出现以上情况。

Superman灬不会飞 08-04 12:26

、,装在水泵下方过滤网装在进水口止回阀

hstory经历 08-04 12:34

一般安装在水表后。主要原因：如果用水点的位置高于水表安装位置，一旦管网中出现停水，管道中剩余的水会反过来像水表方向流动。这就会造成水表反转，对水表造成损坏。在水表后安装了止回阀，就可以避免出现以上情况。

我想发光却交不起电费 08-04 12:43

而且室内不一定安装止回阀，在室外安装止回阀、气囊等原因而引起的水表自转，防止市政管道停水的时候，热水破坏水表塑料表芯，水压至用户时水表正转。3）防止污水（机会很小）读书的时候听*讲过一个案列有一家旅店建在山上：1）防止因水压不稳，*认为是由于管网压力不稳定，家里的热水倒流，压力不够时，水倒流主要原因，但是，开业一个月后发现用水量惊人；2）好多一般家庭都有热水炉和供水管道在室内连接在一起

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