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GB 50242-2002 第9.2.4条 Code for Acceptance of Construction Quality of Building Water Supply, Drainage and Heating Engineering

Outdoor water supply给排水

GB 50242-2002 第9.2.4条

| **** | **Valve installation**: Outdoor water supply valves (such as the main valve on the service pipe and zone valves) shall be installed in accessible locations for operation and maintenance, and the valve model, specifications and pressure resistance must comply with design requirements. |

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