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    鋼管靜水壓試驗(yàn)端部密封形式的應(yīng)用探討

    Discussion on Application of Tube-end Sealing Types during Steel Tube Hydrostatic Testing

    • 摘要: 簡(jiǎn)要介紹了鋼管靜水壓試驗(yàn)常用的端面密封和徑向密封兩種鋼管端部密封形式,并對(duì)其工藝技術(shù)特點(diǎn)進(jìn)行了比較。對(duì)合理采用鋼管端部密封形式提出了建議。實(shí)踐證明只要合理使用各種鋼管端部密封形式,就能提高密封圈的使用壽命,且在縮短鋼管試壓盲區(qū)的同時(shí)保證盲區(qū)質(zhì)量,減少或避免鋼管打彎,取得良好的應(yīng)用效果。

       

      Abstract: Briefed are the two commonly-used tube-end sealing types during steel tube hydrostatic testing,i.e.,end-face sealing and radial sealing.The technological characteristics of the said two sealing types are compared to each other.Suggestions for how to select appropriate tube-end sealing types are put forward.Relevant operation practice shows that once the right sealing type is used,the sealing ring service life will be increased,the untest-ed section of the tube will be reduced,while the quality of such section assured.,and less tubes or no tube will be bended under the test pressure.The actual application result is satisfactory.

       

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