... welding machine SHG450 HDPE fitting welding machine suit for pipes 200-450mm; Workshop fitting fusion machine, workshop fitting welding machine,angle ... welding Y shape (45° and 60 °) fittingsparameters: ModelSHG450Pipe Sizes (mm)200,225,250,280,315,355,400,450,Application0~90°elbow ... +86-13961738131 SHG450 HDPE fitting welding machine suit for pipes 200-450mm