v   本工艺标准适用于民用建筑群（小区），工作压力不大于0.6MPa的室外给水和消防管网的给水铸铁管及镀锌碳素钢管铺设安装。
This technology is applicable to civil groups (district), not more than 0.6MPa working pressure of the outdoor water supply and fire water supply pipe network of cast iron pipe and galvanized carbon steel pipe lay installation.