PVC plastic pipe production line is mainly used for producing the plastic PVC pipes with various pipe diameters and wall thickness , the plastic pipes are used for the water supply and drainage of agriculture , the plumbing and drainage of construction , cable laying etc . The lines consists of the conical twin-screw extruder , pipe die head ,vacuum calibrating tank , haul-off unit , cutter , stack unit etc . the speed controller of extruder and haul-off unit is foreign DC Speed Regulator or AC inverter , the vacuum pump and the motor adopt the famous brand at home and abroad . The haul-off unit has two caterpillars , three caterpillars , four caterpillars , five caterpillars , six caterpillars , eight two caterpillars and so on . The cutter may be the saw blade cutting or the planet cutting . it is additionally equipped with automatically measuring meter . The advantage of the lines is the reliable performance and high production efficiency. According to the requirement of the clients , our company can equip some components , then the line can produce the special installation for the manufacture of the ( U & PVC ) silencing drain pipe with Hollow Wall Inner Spiral-ribbing and the PVC-U pipes with foaming core.