It was shown that the improved hydrostaticpressuretester was 0.61%more precise than the old one with such advantages as convenience, direct view, safety and beauty.
Hydrostatictester 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-pressurehydrostatic testing machine, being applicable to the dual - line hydro-tester.