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10秒装修报价 装修要花多少钱?获得精准报价,省钱30%
168211
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HDPE管道安装规程 1、热熔承插安装,DN20-DN63mm规格一般采用此法,具体流程如下: (1)用管剪根据安装需要将管材剪断; (2)在管材待承插深度处标记号; (3)将热熔机模头加温至20左右; (4)同时加热管材、管件,然后承插(承插到位后待片刻松手,在加热、承插、冷却过程中禁止扭动; (5)自然冷却; (6)施工完毕经试验压验收合格后投入使用;
安装时还要注意搬运和安装管道时应避免碰到尖锐物体,以防管道破损管道安装过程中,应防止油漆等有机污染物与管材、管件接触。安装中断或完毕的敞口处,一定要临时封闭好,以免杂物进入。给水管道系统在验收前,应进行通水冲洗。冲洗水流速宜大于2m/ s,冲洗时,不应留*角,每个配水点龙头应打开,系统最低点应设放水口,清洗时间控制在冲洗出口处排水的水质与进水相当为止
你好,HDPE管道安装规程 1、热熔承插安装,DN20-DN63mm规格一般采用此法,具体流程如下: (1)用管剪根据安装需要将管材剪断; (2)在管材待承插深度处标记号; (3)将热熔机模头加温至20左右; (4)同时加热管材、管件,然后承插(承插到位后待片刻松手,在加热、承插、冷却过程中禁止扭动; (5)自然冷却; (6)施工完毕经试验压验收合格后投入使用; 2、热熔对接安装,DN110-DN1600mm规格一般采用此法,具体*作流程如下: (1)将需安装连接的两根PE管材同时放在热熔器夹具上(夹具可根据所要安装的管径大小更换夹瓦),每根管材另一端用管支架托起至同一水平面。 (2)用电动铣*分别将管材断面铣平整,确保两管材接触面能充分吻合; (3)将电加热板升温到210度,放置两管材端面中间,*作电动液压装置使两管材端面同时完全与电热板接触加热; (4)抽调加热板,再次*作液压装置,使以熔融的两管材端面充分对接并锁定液压装置(防止反弹); (5)保持一定冷却时间松开,*作完毕; (6)施工完毕,须经试压验收合格后,方可回土投入使用; (7)管材在加热过程中作好防风措施,冷却过程中,应逐步经行,不宜急速降温。 3、电熔连接(适用管径dn630mm): (1)将PE管材完全插入电熔管件内; (2)将专用电熔机两导线分别接通电熔管件正负两级; (3)接通电源加热电热丝使内部接触处FE熔融; (4)冷却完毕; (5)施工完毕后需经试压验收合格后,方可封管投入使用。 4、法兰连接。 5、钢塑连接。 6、鞍型对接安装,这对解决主管道分流特别有效。