Perry Videx offers used 4 1/2inch Extruders, used extruders. Perry Videx offers used 4 1/2inch Extruders, used extruders. ... All Categories for Granulators, Cutters and Pelletizers. 10 20 HP Granulators (45) ... All Categories for Heat Exchangers. Air Cooled Heat Exchangers (3) Karbate Heat Exchangers (45) ...