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GB 50974-2014 第8.2.1条 Technical Code for Fire Protection Water Supply and Hydrant Systems

Pipe network消防工程

GB 50974-2014 第8.2.1条

| **** | The working pressure of the fire water supply piping shall meet the static and residual pressure requirements of the hydrant at the most unfavorable point of the system; in hotel buildings, the residual pressure at the hydrant outlet shall not exceed 0.50 MPa, and a pressure-reducing device must be installed when it exceeds 0.70 MPa. |

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