(1)、连接简单
(1), simple connection.
螺旋风管的安装减少了管与管之间的连接点，从而使得管件结合部的泄漏能降低到低程度。而且连接两个螺旋风管只需一个管接件，传统的矩形风管的连接则需要完全独立的双法兰系统。
The installation of spiral air duct reduces the connection point between pipe and pipe, so that the leakage of pipe joint can be reduced to a low level. Moreover, only one pipe fittings are needed to connect the two spiral ducts, while the traditional rectangular duct connection requires a completely independent double flange system.
(2)、标准化产品
(2) standardized products
螺旋风管的配件，包括管件和接头等，其生产已经实现高度自动化、系统化，并且有工业化的质量控制。
Spiral duct fittings, including fittings and joints, have been highly automated, systematized and industrialized quality control.
(3)、安装费用低
(3) low installation cost.
螺旋风管的安装时间只有矩形风管的三分之一。
The installation time of the spiral duct is only 1/3 of that of the rectangular duct.
(4)、通常只需较小的安装空间
(4) usually only requires smaller installation space.
在不增加额外安装空间的前提下，数条平行的螺旋风管可替代矩形风管，所占用的空间也要比矩形风管少。
Without additional installation space, several parallel spiral ducts can replace rectangular ducts and occupy less space than rectangular ducts.
(5)、压降低
(5) reduction of pressure
螺旋风管的风阻要比矩形风管的小得多。
The wind resistance of the spiral duct is much smaller than that of the rectangular duct.
(6)、精密的咬口成型工艺
(6) precise bite molding process
所采用的模具均为特种钢材结构，即使使用几年，压制模具的表面仍能保持不变，镀锌钢板的表面不会受损，同时，接缝均匀平整、咬口紧密、连接力强、密封性好。
The dies used are all special steel structures. Even after several years of use, the surface of the pressing dies can remain unchanged, and the surface of galvanized steel sheet will not be damaged. At the same time, the joints are even, the bites are tight, the connection force is strong and the sealing is good.
(7)、密封圈防漏系统，使用螺旋压制楞筋工艺
(7) safety seal ring leakage prevention system, using spiral pressing rib reinforcement technology.
该工艺能使螺旋风管具有佳的承受压力，咬口潜缝厚度是管体的四倍，增加了管道的刚性和优越性，并能承受大压力负荷而无损伤变形。并且，用材厚度可减小15%，降低了成本。
The process can make the spiral air duct withstand pressure well, and the thickness of the undercut in the bite is four times that of the tube body. It increases the rigidity and superiority of the pipeline, and can withstand high pressure load without damage and deformation. Moreover, the material thickness can be reduced by 15% and the cost is reduced.
(8)、保温用材少
(8) less insulation materials
由于螺旋风管周长短，保温用材也可相应减少。
Because the circumference of the spiral duct is short, the material for thermal insulation can also be reduced correspondingly.
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