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"Microsoft YaHei"; font-size: 14px;">(1)定位測量確定風管的安裝位置標高。</span></p><p style="text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">(2)安裝和固定在開始一個支管和支吊架。</span></p><p style="text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">(3)管段和備件地面組裝時，組裝部件的長度應考慮管徑、管壁厚度和接口連接方式，以方便吊裝。</span></p><p style="text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">(4)分段吊裝、定位、連接、固定，水平風管可拼裝成構件進行安裝，吊點選擇要防止受力不均而變形。</span></p><p style="text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">(5)埋在基礎中的風管應安排在土建施工過程中安裝。風管的中心線應以主設備的中心線為基準定位。事先用電纜管、地腳螺栓和固定支架檢查風管的位置，測量風管到基礎墊層的距離，以便加工支架。地下風管的焊接得要嚴密不漏水。</span></p><p style="text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">加工風管時，風管不得用S形裁條、C形直角裁條和豎縫角裁條連接，空氣潔凈度等級為1 ~ 5級的風管不得卡扣。</span></p><p style="text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">空調系統<a href='http://www.142779.com/news/460.html' target='_blank' class='key_tag'><font><strong>風管法蘭</strong></font></a>鉚釘間距應小于100mm，空氣潔凈度等級為1 ~ 5級的風管法蘭鉚釘間距應小于65 mm。</span></p><p style="text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">風管內不得設置鋼筋骨架或鋼筋。</span></p><p style="text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 14px;">在加工風管前，應使用清洗液去除板材表面的油漬和灰塵。清洗液應是對板材表面無損傷、干燥后無粉塵、對人體無傷害的中性洗滌劑。</span></p><p style="text-align: center; text-indent: 2em;"><img src="/data/upload/201910/20191024115212_922.jpg" alt="通風管道加工廠.jpg" width="397" height="259" border="0" vspace="0" title="通風管道加工廠.jpg" style="width: 397px; height: 259px;"/></p><p><br/></p></div> <div class="xypg-detail-tags"> <div class="tags-title"> <h3>標簽</h3> <div class="baidu-share">  <div class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_weixin" 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