Spiral air duct is a thin pipe made of metal strip coils with spiral bite, circular and non welded shape. It is mostly used for air supply and fresh air flow transportation, replacing the previous white iron pipe (i.e. manual bite iron pipe) as one of the ventilation pipes.

種類、全功能、圓形管道無需人工敲擊，螺旋風管道的安裝程序明顯減少了管道與管道的連接點，將螺旋風管道連接部分的泄漏減少到小程度，是一般的螺旋風。

The type, full function, circular pipeline does not require manual tapping, and the installation program of the spiral air pipeline significantly reduces the connection points between the pipeline and the pipeline, reducing the leakage of the connection part of the spiral air pipeline to a small extent, which is a typical spiral air pipeline.

通風管道加工長度為3~6m，而普通方形通風管道長度僅為1~1.5m；連接兩個螺旋風管道只需要一個管接頭，而過去矩形通風管道的連接往往需要一個立式雙法蘭系統。

The processing length of ventilation ducts is 3-6m, while the length of ordinary square ventilation ducts is only 1-1.5m; Connecting two spiral air ducts only requires one pipe joint, while in the past, the connection of rectangular ventilation ducts often required a vertical double flange system.

不銹鋼濟南通風管道加工可分為圓形和矩形。可根據工程現場的不同要求生產各種形狀、規格型號和板材的成品通風管道。成品不銹鋼管道具有優異的耐腐蝕性、耐熱性、高強度等物化性能，通風管道主要應用于各種氣密性要求高的工藝排氣系統、溶劑排氣系統、有機排氣系統、廢氣排氣系統和普通排氣系統的室外部分、濕熱排氣系統、排氣除塵系統等。

The processing of stainless steel Jinan ventilation ducts can be divided into circular and rectangular shapes. We can produce finished ventilation ducts of various shapes, specifications, models, and plates according to the different requirements of the engineering site. Finished stainless steel pipes have excellent physical and chemical properties such as corrosion resistance, heat resistance, and high strength. Ventilation pipes are mainly used in various process exhaust systems with high airtightness requirements, solvent exhaust systems, organic exhaust systems, exhaust gas exhaust systems, and outdoor parts of ordinary exhaust systems, wet and hot exhaust systems, exhaust dust removal systems, etc.

通風管道加工

Ventilation pipeline processing

精密咬合成型工藝：大型設備選用的模具均為特殊鋼結構。即使使用五年，壓制模具的表面仍保持不變，使鍍鋅鐵皮的表面不受損壞。損傷大大延長了通風管的使用周期。此外，板縫光滑，咬合緊密，連接力強，密封性能好。

Precision bite forming process: The molds used for large equipment are all of special steel structures. Even after five years of safe use, the surface of the pressing mold remains unchanged, ensuring that the surface of the galvanized iron sheet is not damaged. The damage greatly prolongs the service life of the ventilation pipe. In addition, the board seam is smooth, tightly occluded, with strong connection force and good sealing performance.

精巧的螺旋壓制鋼筋加工技術使螺旋風管道具有承受壓力的強度，增加螺旋型鋼筋后，咬口潛縫板厚度是管體的4倍，管道鋼度大，顯示出堅固的特殊性能夠承受較大的壓力負荷不損壞變形，材料板的厚度可以降低15%，節約成本。

The exquisite spiral pressing steel bar processing technology endows the spiral air duct with excellent strength to withstand pressure. With the addition of spiral steel bars, the thickness of the bite seam plate is four times that of the pipe body, and the pipeline has a high degree of rigidity, demonstrating its sturdy and special ability to withstand large pressure loads without damage or deformation. The thickness of the material plate can be reduced by 15%, saving costs.

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