It was shown that the improved hydrostatic pressure tester was 0.61%more precise than the old one with such advantages as convenience, direct view, safety and beauty.

结果表明：改进后的静水压强仪的精度较改进前的提高0 . 6 1%，且具有测试方便、直观性强、安全美观等优点。

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Hydrostatic tester is the pressure inspection equipment of pipe manufacturing production line.

水压试验机是制管生产线上的压力检测设备。

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Elaborated here in the article is a newly-developed tube end sealing device for the high-pressure hydrostatic testing machine, being applicable to the dual - line hydro-tester.

介绍了一种新型高压水压试管机端头密封装置，可用于双线管材水压试验设备。

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