安装螺旋风管应遵循的原则
Principles for installation of spiral air duct
开顺螺旋风管
Open spiral air duct
通常我们在安装螺旋风管前，我们盖土网 防寒布 麻绳 油麻绳 麻刀 沥青麻绳 静压造型线 自动浇注机 铸铁拍门 钢制拍门 玻璃钢拍门都已经好如何准备规划空间，管道的标高范围，就是为了避免可能出现其他不必要的问题。螺旋风管在安装时候，要遵守几点原则。
Usually, before installing spiral duct, we have prepared how to plan the space and the elevation range of the pipe to avoid other unnecessary problems. Several principles shall be observed during the installation of spiral air duct.
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第一：施工前应设备总管的工程师要求，将各工种的管线，单线画在一张平面图上。每种管道用一种彩色笔。在各交点处综合其标高，看是否有矛盾之处，及时发现，将问题解决在安装之前。
First: before construction, the pipeline and single line of each type of work shall be drawn on a plan at the request of the engineer of the equipment header. One color pen for each type of pipe. Integrate the elevation at each intersection to see if there is any contradiction, find it in time and solve the problem before installation.
观察现场的施工情况，因为现场施工情况不一样的话，连接的长度也是不一样的，所以我们先要将螺旋风管一节一节的放在支架上衔接起来，这是最开始的步骤。
Observe the construction conditions on site. If the construction conditions on site are different, the length of the connection is also different. Therefore, we should first put the spiral air duct on the support section by section to connect. This is the first step.