Large-diameter thick-walled pipe bending manufacturers use a mold to bend the heated pipe blank on a hydraulic press. This method is the earliest process used for pipe elbow bending, and it has been widely used in elbow production. . Manufacturer of large-diameter thick-walled elbows. However, the elbows produced by this method have uneven wall thickness and poor appearance quality. When processing large elbows, the manufacturing cost of the mold is high.
Large diameter elbow manufacturer