鍍鋅鐵皮風管材料的厚度怎麽決定？
由風管的長邊(圓風管是直徑)尺寸，及風管工作壓力共同決定：
It is determined by the size of the long side of the air duct (the diameter of the round air duct) and the working pressure of the air duct:
低壓係統：P≤
Low-voltage system: P ≤
中壓係統：
Medium voltage system:
高壓係統：
High pressure system:
以中低壓、鍍鋅鐵皮風管板厚為例：
Take the thickness of medium and low pressure galvanized iron sheet air duct as an example:
風管長邊尺寸b≤320mm：
Air duct long side dimension b ≤ 320mm:
風管長邊尺寸b≤630mm：
Air duct long side dimension b ≤ 630mm:
風管長邊尺寸b≤1000mm：
Air duct long side dimension b ≤ 1000mm:
風管長邊尺寸b≤2000mm：
Air duct long side dimension b ≤ 2000mm:
風管長邊尺寸b≤4000mm：
Air duct long side dimension b ≤ 4000mm:
以上均出自《通風與空調工程施工質量驗收規範GB50243-2002》
The above are from Code for Acceptance of Construction Quality of Ventilation and Air Conditioning Engineering GB50243-2002
其它材料如鋁板、玻璃鋼風管，詳見以上規範表4.2.1-1到
Other materials, such as aluminum plate and GRP air duct, are detailed in Table 4.2.1-1 to
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