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厨房防火止回阀安装注意事项有哪些

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厨房防火止回阀安装注意事项有哪些

浏览：50次 | 提问时间： 07-13 04:48

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3个答案

爱人未回 07-13 04:49

第一，要注意止逆阀开启的方向，打开位置要烟机管相反；
第二，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；
第三，待止逆阀安装固定后排烟管道要与止逆阀安装密实。
备注：在选用止逆阀时选用封闭效果较好的品牌，如潜水艇。

无人像你 07-13 04:57

1、垂直运输时烟道应采取保护措施，并必须两点起吊。
2、定出烟道位置中心线，在预留孔洞中由屋面引下，四根垂直中心线，在楼板平面上弹出2条正交的中心线。
3、烟道防火止回阀到现场后，在烟道上弹出的四面中心线，然后用电葫芦将烟道从预留洞缓缓放下，校正中心线。
4、安装烟道防火止回阀时应每层做承重处理，安装支承钢筋2根?直径≥14mm。
5、烟道防火止回阀安装好后，在每一根烟道防火止回阀预留止回阀洞口处安装 防火型烟道止回阀 ，先用专用胶水搅拌水泥，涂满止回阀的边缘，然后安装在预留止回阀洞口处。
6、施工时应在各层预留洞口处用盖板遮挡，保证施工安全，防止建筑垃圾掉入烟道中。
7、出屋面烟道应在屋面保温隔热层、防火层施工前进行。
8、严禁将燃气热水器排烟道防火止回阀系统使用。

奢望 07-13 05:06

1、止回阀一般都是15-18cm口径的
2、可以根据墙上预留的风口大小选择合适口径的；
3、还要考虑烟机排烟管的口径大小，也一般都是15-18cm

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