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止回阀怎么安装要注意哪些事_其他_设计456问答
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止回阀怎么安装要注意哪些事
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提问时间： 07-31 11:03
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3个答案
在管线中不要使止回阀承受重量，大型的止回阀应*支撑，使之不受管系产生的压力的影响；安装时注意介质流动的方向应与阀体所票箭头方向一致。升降式垂直瓣止回阀应安装在垂直管道上，升降式水平瓣止回阀应安装在水平管道上。
止回阀安装还需注意安装方向以及保持阀体动作空间。升降式水平瓣止回阀只能安装在水平管道上，旋启式止回阀也可以安装在水平管道上。
安装止回阀要注意止逆阀开启的方向，打开位置要烟机管相反；要注意止逆阀与公共烟道或分户烟道安装后结合点的密封，如有条件选用叫粘稠腻子封堵；待止逆阀安装固定后排烟管道要与止逆阀安装密实。
