14950中英文朗读40859.docVIP

（二）阀门检验 (2) the valve test 2．阀门应进行壳体压力试验和密封试验 2. The valve should be casing pressure test and sealing test (1)阀门壳体试验压力和密封试验应以洁净水为介质，不锈钢阀门试验时，水中的氯离子含量不得超过25ppm。 (1) the valve shell test pressure and seal test should with clean water as medium, stainless steel valve test, the content of chlorine ion in the water shall not be more than 25 PPM. (2)阀门的壳体试验压力为阀门在20℃时最大允许工作压力的1.5倍，密封试验为阀门在20℃时最大允许工作压力的1.1倍，试验持续时间不得少于5min，无特殊规定时，试验温度为5～40℃，低于 (2) the shell test pressure of the valve when the valve is in 20 ℃ maximum allowable working pressure of 1.5 times, seal test when the valve is in 20 ℃ maximum allowable working pressure of 1.1 times the test duration shall not be less than 5 min, no special provisions, the experiment temperature is 5 ~ 40 ℃, lower than (3)安全阀的校验应委托有资质的检验机构完成其整定压力调整和密封试验，安全阀校验应做好记录、铅封，并出具校验报告。 (3) the safety valve calibration shall entrust a qualified inspection agency to complete the setting pressure adjustment and seal test, valve check should be recorded, seal, and issue a check report. 四、工业金属管道安装前施工条件 Fourth, before the industrial metal pipe installation construction conditions （一）对施工队伍的要求 (a) the requirement to the construction team 1．承担工业金属管道施工的施工单位应取得相应的施工资质，并应在资质许可范围内从事管道施工。 1. Undertake industrial metal pipeline construction construction units shall obtain corresponding construction qualification, and shall be within the scope of the qualification licensing engaged in pipeline construction. 2．施工单位在压力管道施工前，向管道安装工程所在地的质量技术监督部门办理了书面告知，并接受监督检验单位的监督检验。 2. Construction units before the pressure pipeline construction, the pipe installation project to deal with the local quality and technical supervision department notify, and accept the supervision and inspection unit of the supervision and inspection. （三）施工前应具备的开工条件 (3) before construction should have the construction conditions 1．工程设计图纸及其他技术文件完整齐全，已按程序进行了工程交底和图纸会审。 1. Engineering drawings and other technical documentation is complete, complete the engineering drawings and/or disclosure b