Home decoration, kitchen and other space is usually used to hot and cold PPR water pipes. How to choose safe and high quality hot and cold PPR water pipes, PPR water pipe installation and what pay attention to it? PPR water pipes, why are there hot and cold points? According to the national standard of PPR water pipe, hot and cold PPR water pipe has S5, S4, S3.2, S2.5, S2 five series. The above five series, pressure appears increasing law, that is, the smaller the S value, the thicker the wall thickness, the greater the pressure.
Generally speaking, the cold PPR water pipe is generally selected S value is less than or equal to 5, hot PPR pipe will have to use S value is less than or equal to 3.2.
Hot and cold PPR water pipe installed properly, what are the hazards?
Hot and cold PPR water pipe to be standardized installation, first of all, that is, can not use cold PPR water pipe to replace the hot PPR pipe, cold PPR water pipe pressure, temperature is far less than hot PPR pipe, cold PPR pipe long-term work in hot water, cold PPR pipe is easy to cause damage to the aging, cold PPR pipe and then cause the wall cracks and water leakage.
In addition, the installation should do when the "left hot right cold", hot and cold PPR parallel to the water pipe spacing of not less than 20cm, otherwise it will cause hot PPR hot water heat loss, PPR water pipe affect the use of hot water.