3. The connection of semi-rigid plastic pipe needs to be connected by casing bonding and special end. The length of the casing should not be less than three times of the pipe diameter, and the joint should be firmly bonded with adhesive.
4. Minimize bending when laying pipelines. When the length of the line segment exceeds 15 meters, or when there are three right-angle bends and the length exceeds 8 meters, the junction box shall be installed in the midway.
As the saying goes, "small problems determine large projects", especially for projects with high quality requirements, we should pay more attention to every small link to ensure the quality of projects.