1. PPR pipes and fittings are connected by hot melt, but they cannot be threaded directly on the pipes and fittings. Flange connection can be used when connecting with metal pipes, and pipe fittings with metal inserts must be used when connecting with water heaters. ;
2. In the process of hot-melt connection, you must use reliable hot-melt equipment, which can ensure the quality of welding;
3. When using special scissors to cut PPR pipe vertically, ensure that the cut is flat and free of burrs;
4. The welding parts of PPR pipes and fittings must be clean to prevent sand and dust from damaging the quality of the joints;
5. When inserting in welding, the equipment must be heated according to the specified time for pipes and fittings;
6. After the heating is completed, immediately take out the pipes and pipe fittings and connect them. If you find that these two positions are wrong, then you can make corresponding adjustments in a certain period of time;
7. After the connection of the agent PPR pipe is completed, you must hold the pipe and fittings with both hands to maintain sufficient cooling time. When the cooling reaches a certain level, you can let go and continue to install the pipe. The white PPR pipe should be colored on the wall or the ground after the connection is completed Paint the specific location of the pipeline to avoid damage to the pipe again.