... easy-operation, and of stable continuous production. 2. The pipe line is also with moderate rigidity, strength, good flexibility, resistance ... pipelines and outdoor water supply pipes. 3. The whole line is consisted of: controlling system, extruder, machine head, ... cutting device and turning rack. Technical parameter:Modle screw diameter pipe diameter Main motor power outoutL/DSJ120/30 120mm 110mm-315mm ...