1.3 本标准不适用于: a) 金属温度低于-70℃的管道; b) 金属温度大于230℃的管道(不包括用于油田开发的蒸汽管网的管道); c) 用户仪表装置出口下游的燃气管道(由 CAN/CSA-B149.1 覆盖); (d) 脱气厂、天然气加工厂(脱水厂的主要燃气管道和构成天然气管网一部分的所有其他加工设施除外)、天然气制造厂、工业设施...
In CSA Z662-2007, however, the calculation is based on population density, pressure, and pipe diameter, and the effect of population density is quantified. In order to analyze their difference further, the onshore pipeline target safety levels were quantitatively compared between two standards in ...