天气预报 > 其他 > 排水系统中防火圈如何设置
排水系统中防火圈如何设置
更新时间: 2020-09-12 00:00:00  

设置方法:

1、加装防火套管,防火套管由耐火材料和阻燃剂制成的,套在硬聚氯乙烯管外壁可阻止火势沿管道贯穿部位蔓延的管子;

2、同时后面的管道也改成金属制;

3、将金属配件提在上面或者放在下面;

4、把同层排水接入器改为高密度聚乙烯材料。

关键词: 排水 系统 防火 如何 设置

排水系统中防火圈如何设置相关经验

天气预报

最新推荐

页面:/news/view-1708982/ | 耗时:0.9744 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1708982 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1708982 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1708982 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2737195,288154,305417,229676,329163,1278105,277776,1127573,225308,1107006,193763,1052643,113291,1041531,1130366,427940,1076313,122037,380068,1102206,1125148,149656,1097607,1130506,154357,354694,162288,1117850,1109895,1083030) ORDER BY field (ArticleID,2737195,288154,305417,229676,329163,1278105,277776,1127573,225308,1107006,193763,1052643,113291,1041531,1130366,427940,1076313,122037,380068,1102206,1125148,149656,1097607,1130506,154357,354694,162288,1117850,1109895,1083030)