... and Lower Price -Excellent Plasticization It is composed of barrel screw , gear transmission system, measurable feeding, vacuum deaerating, heating, ... control components.This series Extruders are mainly used in plasticizing, extruding and forming PVC pipe, plate, sheet, film, profile, and ... 1050* 21574235* 1520* 24504750* 1550* 24606000* 1600* 2500 SJSZ Conical Twin Screw Plastic Pipe Extruder