PP-R what is the pressure of the heat pipe?
GB tubes, hot water pipes have two series, s3.2, 2.0Mpa, s2.5, 2.5MPAS3.2 is more common
Under normal circumstances, 8 kilograms is no problem
PPR pipe has GB and non GB, there are specific tubes, glass fiber tubes, aluminum tubes and other steady state, under pressure generally in the outer layer of the pipe are marked, there is no general do not use it
