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从国外进口的大壁厚(Max250mm)、大口径(Max1200mm)无缝钢管,为了检验其耐压性能是否达到使用要求,设计了型号为THE—1200水压试验机。介绍这种使用了多项专利技术的水压试验机的系统组成、结构特点及工艺流程,并分析了与国内其它无缝钢管水压试验机的试压不同点。
From the import of large wall thickness (Max250mm), large diameter (Max1200mm) seamless steel pipe, in order to test whether the pressure resistance meet the requirements, designed model for the HY-140 hydrostatic testing machine. This paper introduces the system composition, structure characteristics and process flow of this hydraulic testing machine which uses a number of patented technologies, and analyzes the difference of pressure test with other domestic seamless pipe hydraulic testing machines.