The LOGSTOR PertPipe SDR 7.4 system is used within District Heating for distribution pipelines.
Due to the properties of the PE-RT service pipe, expansion must not be taken into consideration.
PertPipe SDR 7.4 is a distribution system up to 110 mm PE-RT with 4 x 1.5 mm2 copper wires for the surveillance system, 4N.