螺旋風管其長度等方面是要好于矩形風管

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螺旋風管其長度等方面是要好于矩形風管：這是由于普通的螺旋風管，其正常長度是為3米到6米，而矩形風管其是為1米到1.5米，除此之外，螺旋風管的長度，還能夠依照具體需求來定做，從其它方面來看，螺旋風管中的連接點，是能夠很大程度上根絕的，由于其風管之間的連接，只用管接件，而矩形風管則需求雙法蘭體系。

The length of spiral air duct is better than that of rectangular air duct: this is because the normal length of ordinary spiral air duct is 3 to 6 meters, while that of rectangular air duct is 1 to 1.5 meters. In addition, the length of spiral air duct can also be customized according to specific needs. From other aspects, the connection points in spiral air duct can be eliminated to a large extent. Because the connection between air ducts only uses pipe connectors, The rectangular air duct requires double flange system.

1、通風管道加工的過程中應該盡量避免出現縱向接縫，但是一定不能出現橫向接縫。而且通風管道的咬口縫和四角的縫隙處，需要按照設計潔凈等級要求，然后還要采用密封膠將其堵嚴。另外通風管道板材的連接縫的密封面應該設在通風管道壁的正壓側。

1. The longitudinal joint shall be avoided as far as possible during the processing of the ventilation pipe, but the transverse joint shall not be allowed. Moreover, the seaming seams and the four corners of the ventilation pipe shall be sealed with sealant according to the design cleanliness level requirements. In addition, the sealing surface of the joint of the ventilation duct plate should be set at the positive pressure side of the ventilation duct wall.

鍍鋅螺旋風管

Galvanized spiral air duct

2、加工的時候，不能在通風管道內部設置加固框或者加固筋，因為這樣對于通風管道的質量會造成一定的影響。

2. During processing, reinforcing frames or reinforcements cannot be set inside the ventilation ducts, because this will have a certain impact on the quality of the ventilation ducts.

3、通風管道加工不能采用S型插條和C型直角插條的連接方式，另外對于一些特殊的通風管道來說，還不能采用按扣式的咬口。

3. The connection mode of S-shaped and C-shaped right angle inserts cannot be used for the processing of ventilation ducts. In addition, snap joint cannot be used for some special ventilation ducts.

4、通風管道制作完畢之后，還要用清洗液進行清洗，只有達到清洗標準之后，才可以及時封口。

4. After the fabrication of the ventilation pipe, it shall be cleaned with cleaning solution. Only when the cleaning standard is met, can it be sealed in time.

5、玻璃纖維復合板風管端口為切割面時，在裝配法蘭連接件前應將管端切口面用膠帶或膠液進行封堵，才能防止玻璃纖維外露和飛散

5. When the end of the fiberglass composite board air duct is the cutting surface, the cut surface of the duct end should be sealed with tape or glue before assembling the flange connector to prevent the fiberglass from being exposed and flying

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