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GB 50242-2002 第6.2.6条 Code for Acceptance of Construction Quality of Building Water Supply, Drainage and Heating Engineering

Indoor hot water给排水

GB 50242-2002 第6.2.6条

| **** | **Valves in the hot water supply system shall undergo strength and tightness tests before installation.** For each batch (same brand, same model, same specification), 10% shall be sampled for testing, with no fewer than one. For closed-circuit valves installed on main pipes to serve as shutoff valves, strength and tightness tests shall be conducted individually. |

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