Circular Butt Welding Machine Models ALHM 160ManualCan Weld Pipes Between 63mm - 160mm AL 160HydraulicCan Weld Pipes Between 63mm - 160mm AL 250PolyethyleneCan Weld Pipes Between 75mm - 250mm AL 315PolyethyleneCan Weld Pipes Between 90mm - 315mm AL 500PolyethyleneCan Weld Pipes Between 180mm - 500mm AL 630PolyethyleneCan Weld Pipes Between 315mm - 630mm AL 800PolyethyleneCan Weld Pipes Between 500mm - 800mm Technical Details