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Pipe bend is widely used, no matter what kind of machinery and equipment and pipes, most of the elbow, mainly used for oil, gas, infusion, etc..
Analysis of the main reasons for the decrease of pipe bend quality:
The main reason for the decrease of the quality of elbow is RX and SX. The pressure rating of the RX value and the lateral thinning loss made clear, the purpose is to control the RX and SX values, so as to ensure the quality.
Bending accuracy is also one of the factors that affect the quality of pipe bend.