Regarding fluid categories
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According to GB50316, fluids are classified into five categories: A1, A2, B, C, and D. It seems that category A1 focuses primarily on toxicity, while category B focuses on flammability. But what if a substance has both toxicity and flammability?
This fluid category is different from the pipeline category; the user can determine it as desired, but when designing, the relevant regulations for both types of fluids must be followed
According to GB50316, fluids are classified into five categories: A1, A2, B, C, and D. If a medium is both toxic and flammable, the more severe of these properties takes precedence; if the toxicity is extreme or high, then toxicity shall definitely be the determining factor