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GB 50019-2015 第6.3.5条 Code for Design of Heating, Ventilation and Air Conditioning of Industrial Buildings

Ventilation暖通空调

GB 50019-2015 第6.3.5条

| **** | **Fire dampers**: Fire dampers with a nominal actuation temperature of 70℃ shall be installed where ventilation ducts penetrate fire compartments, equipment room partition walls, and floor slabs, as well as on the horizontal duct sections at the junction of vertical ducts and the horizontal ducts on each floor. |

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