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style="font-size:14px;">螺旋式風管抑制楞筋加工工藝精巧，使螺旋式風管能承受較強的工作壓力，咬口潛縫的厚度是管體的四倍，管道剛度很大，顯示出堅固的優點，能承受較大的工作壓力負荷，附近風管加工廠優質變形，材料的厚度可降低15%。這大大降低了制造成本。</span><br /> <span style="font-size:14px;">另外，螺旋風管的加工工藝非常精密，一般由特殊鋼材制成，質量當然得到保證，一般可以應用多年。另外，他可以保證長期應用不變形，大幅度延長管道的使用期限，對大家的生產制造具有重要的現實意義。</span><br /> <span style="font-size:14px;">螺旋式風管的制作是選用熱軋帶鋼帶條狀管材，根據風管成型機一次咬出咬口骨，并沿螺旋式漸開線齒輪運動軌跡疊成環形管狀，再將咬口縫卡緊，按所需長度激光切割。由于鍍鋅通風管廠家其優異的性能和低廉的姿勢成本，廣泛應用于造船、自然通風、中央空調、凈化處理、公路橋梁除灰、機場、隧道施工等建筑行業。</span><br /> <span style="font-size:14px;">螺旋管道的接縫是軸向的，接縫的強度遠遠高于軸向的直縫強度，因此可以保證在1.5倍的壓力下接縫沒有裂紋。其原料鍍鋅卷板與鍍鋅板整體相比，價格低廉，加上規?；a制造和規格型號的規范化，工程成本低于矩形框管道。</span><br /></div> </td> </tr> </table> </p> </div> </div>  <div class="bto"></div> </div> </div> </div> </div> ?<div data-sgpg="sgpg" class="foot_w"> <div class="colsg_inner"> <div class="droppable clearfix"></div> </div> </div> <div data-sgpg="sgpg" class="foot_a"> <div class="colsg_inner"> <div style="width: 575px;" class="droppable sgcol_3 fl"> <div class="model custom_html_model" 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