... process,Perfect aluminum foil over-lap adhere technology,High performance PPR extruder,High operating reliability, yielding high quality pipes continuously, ... PLC control,Can be extended to produce PE or PPR pipesMain Technical Data ModelSJ65/30-33SJ75/30-33SJ90X33Pipe Diameter20- ... Extruder 1 Set 4 SJ25 Single Screw Co-extruder1 SetOptional5 PPR Pipe Moulds1 Set 6. Vacuum Calibration Bath1 Set 7Water ...