Are there some special requirements when install the bracket and the cradle of the spiral duct machine?
No, there aren’t. For the level installation of duct machine, the duct with the diameter or the size of the long side within 400mm, the space should be less than 4m; for those large than 400mm, the space should be less than 3m. The space of between the bracket and the cradle of spiral duct machine can be lengthed to 5m and 3.75m; and for the vertical installation, the space should within 4m and there should are 2 fixed point for every single tube. The forms and specifications of duct bracket and cradle should be compatible to the international atlas and criterions.