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空調(diào)系統(tǒng)施工規(guī)范 1. 通風空調(diào)風管施工 1.1. 鍍鋅鋼板風管和法蘭的制作工藝流程 領(lǐng)料 展開下料 剪切 倒角 咬口制作 風管折方 成型 方法蘭下料 焊接 打眼 圓法蘭卷圓 劃線下料 找平找正 打孔打眼 鉚法蘭 翻邊 成品噴漆 檢驗 出廠 2. 鍍鋅鋼板風管和法蘭的制作安裝 2.1. 管材:空調(diào)風管、新風管及排氣通風管均采用鍍鋅鋼板來制作,并按下表 進行: 矩形風管大邊長 L(mm) 空調(diào)通風管管材厚度 (mm) 排煙 風管管材厚度 (mm) L ≤630 0.6 0.8 630 ﹤L≤1000 0.8 1.0 1000 ﹤ L≤125
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Air Conditioning Systems Air conditioning has rapidly grown over the past 50 years, from a luxury to a standard system included in most residential and commercial buildings. In 1970, 36% of residences in the U.S. were either fully air conditioned or utilized a room air conditioner for cooling (Blue, et al., 1979). By 1997, this number had more than doubled to 77%, and that year also marked the
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