... of barrel screw , gear transmission system, measurable feeding, vacuum deaerating, heating, cooling and electronic control components.This series Extruders are ... pipe, plate, sheet, film, profile, and granule, etc.The extruders working condition is perfect and can work day and night ... * 21303620* 1050* 21574235* 1520* 24504750* 1550* 24606000* 1600* 2500 SJSZ Conical Twin Screw Plastic Pipe Extruder