... /h indication line extruder applied co-extrusion20-110mm PPR/PE Solid Wall pipe production line pipe range: 20mm,25mm, 32mm, 40mm, 50mm, ... screw extruder SJ30×25 for indication line-Vacuum forming tank -Water cooling tank-Caterpillar Haul-off - Automatic Cutter-shelfmain parameter: ... steel Length:6000mm Vacuum degree:0~0.06MPa(flexible) Water temperature and level auto control Vacuum pump(2×2.2kW ...