The self-expanding compensation ball valve is an automatic compensation sealing valve de-veloped to meet the high-quality requirements of toxic and harmful working conditions and working environment.In the development process,the valve's light torque design,high sealing performance,fast opening and closing,and automatic compensation function after wear are comprehensively considered.This paper focuses on the safety design and structural analysis of a spread compensation ball valve,so that its quality and safety in harsh working conditions can be guaranteed.The use effect of the expanded compensation ball valve after design upgrade is better and superior,which is recognized by users and provides a safe and durable valve with higher requirements for the working conditions of toxic and harmful media.
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