DIN EN 12201-1:2011 给排水以及压力排污用塑料管道系统.聚乙烯(PE).第1部分:总则;德文版本EN 12201-1-2011
This part of EN 12201 specifies the general aspects of poyethylene (PE) - pressure piping systems (mains and service pipes)for buried or above ground applications. intended for the conveyance of water for human consumption,raw water prior to treatment, dr