... plastic Pipe Extrusion line 1, modulars extruder concept 2, unique design die-head 3, super efficient water cooling PPR plastic Pipe Extrusion lineSanitary ... connection by special tools.PP-R Applicated Field:Used as cooling and hot water pipe in public and civil building ... , oil, and corrosive liquid, etc. Used as condenser pipe in aircondition system; Agriculture irrigation; Heat supply system, water ...