GB 50084-2017 第8.0.8条
| **** | For the air supply piping of dry systems and pre-action systems, when steel pipe is used, the pipe diameter should not be less than 15 mm; when copper pipe is used, the pipe diameter should not be less than 10 mm. |
| **** | For the air supply piping of dry systems and pre-action systems, when steel pipe is used, the pipe diameter should not be less than 15 mm; when copper pipe is used, the pipe diameter should not be less than 10 mm. |
12 hotel MEP experts online, answers cite standard clauses you can verify.
Ask free →Engineering reference only — verify against project conditions and the latest codes.