SGK series Full-Auto Pipe Expander with drawing device and program interface concerned is used with extruding machine. It is also used solitarily. While expanding pipes, the machine adpots translation. The action is steady and correct. It does not damage pipe materials. The machine adopts electric heating type. Each oven is equipped with heating core. The shaping method adopts expanding-end shaping. The size of pipe mouth is correct. On its panel, there is a transfer swith of expanding solvent type socket(Straight port ) and expanding seal loop typepiepe socket(R port). The choice of expanding pipe types is very convenient. The technological adaptability is strong. All the key electric control elements are imported. The system characterisitics are steady and reliable