The series Extruders with apporpriate screws, dies and other auxiliaries can directly convert thermoplastic expecialy RPVC powder into Pipe, plate sheet, film and profile, and also Provide function of modifying and Pelleting.

The extruders drived by D. C motor with a thyristor to stepless regulate. It also equiped with the overload prtection and stoppage alsrmingsystem. The screws core and the outside of barrels are cooled by the circulation of oil, ther fuctions include vacuum venting and forced feeding.