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GB 50243-2016 第8.6.2条 Code for acceptance of construction quality of ventilation and air conditioning works

Air-conditioning cooling system暖通空调

GB 50243-2016 第8.6.2条

| **** | Refrigeration system vacuum test: evacuate the system to an absolute pressure ≤0.1kPa (or a vacuum degree ≥-0.1MPa), hold for 24 hours, and the pressure rise shall not exceed 0.5kPa (or the vacuum degree drop shall be ≤0.5kPa). |

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