How to install ventilation ducts or duct forming machine
correctly? Ventilation ducts are used in many industries, but if you want to install it yourself, you have to learn to install the right process steps to do your job.
Duct assembly: shorter duct can be assembled on the ground once, longer duct can be assembled according to the installation site conditions. Assembly should try to adjust the center of the duct and the level of wind to avoid distortion or up and down from the waves, drag the dragon, each duct should not exceed 10m. During assembly, the gasket should be padded flat, the flange bolts should be evenly tightened, and the nut caps all face the same direction.
Duct in place: first check the full extent of the stent, elevation, firmness. Ducts in place are generally used directly and spreader in two ways. If the duct section is very small and very low position can be used artificial position, simply set up a simple scaffolding can be. When the duct section is larger and longer pipe, you can use the pulley, chain, rope and other methods hoisting. In order to facilitate the air duct in place, the general use of the air duct hanging in the scaffolding, and then lift the air duct bracket on the way. The scaffolding should be erected along the length of its air duct. The height and position of the scaffolding should be suitable for the construction operation. The lifting order should be followed by the dry pipe support and riser pipe.
Airway straightening: place the air duct on the bracket, you should dial the position, adjust the vertical and horizontal air duct, and then press the set requirements fixed.