... screw and cylinder for twin screw extrudr *SACM645+nitrided+chrome *Make design or OEM *PVC pellet,cable,pipe Krauss Maffei screw and cylinder for twin screw extruder ... )SKD61 ApplicationPVC plate, pipe, profile, pellet and mould, at the same time ... twin-screw and barrel while it has more mature technology.4. Parallel twin-screw and barrel is successfully applied in PVC plate, pipe, profile, pellet and ...