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GB 50242-2002 第9.2.5条 Code for Acceptance of Construction Quality of Building Water Supply, Drainage and Heating Works

Outdoor water supply给排水

GB 50242-2002 第9.2.5条

| **** | **Pipe connection**: When connecting metal pipes (such as ductile iron pipes and steel pipes) to plastic pipes (such as PE pipes), dedicated transition fittings shall be used. Threading or direct welding on plastic pipes is strictly prohibited to prevent joint leakage. |

Other clauses of this standard

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