The 90-degree elbow belongs to the most commonly used type of elbow fittings. As a pipe fitting that needs to be connected, in some fields of use, right-angle pipes need to be connected. Only the 90-degree elbow size can be used for normal connection. Therefore, 90° elbows represent different types of elbows. Common angle elbows also have 45° and 180° flat angles. In the field of engineering, elbow products with different angles are also introduced. The materials used in the products cover a variety of materials, not only the use of metal materials, but also plastic materials and alloy textures are used in product design.
With the 90-degree elbow, it is widely used in the industrial field, covering many municipal project construction and liquid gas transportation, connecting pipeline projects accordingly, ensuring the rationality of energy transportation and construction planning. Since some liquid transportation has strict requirements on pipelines, elbow products have undergone continuous changes and development, through hot and cold processes, impact action, and electric welding processes, to make elbow products more suitable for the transportation of pipeline systems.