中英文朗读27001.docVIP

并应在有效期内，压力表精度应不低于1.6级，试压时的压力表应不少于2块，分别安装在试 And should be in the period of validity, precision pressure gauge shall be not less than 1.6 on the Richter scale, pressure testing of pressure gauge should be not less than 2 pieces, installed in a test, respectively 压管段的两端。试压时的升压速度不宜过快，压力应缓慢上升，每小时升压不得超过1MPa。 The ends of the pressure pipeline section. The pressure booster shoulds not be too fast speed, pressure should be slowly rising, boosting per hour shall not exceed 1 mpa. 当压力升至0.3倍和0.6倍强度试验压力时，应分别停止升压，稳压30min，并检查系统有无 When pressure is 0.3 times and 0.3 times the strength test pressure, should stop booster, voltage 30 min, and check the system with and without 异常情况，如无异常情况继续升压。油、气管道分段气压试验的压力值、稳压时间及合格 Abnormal situation, if there is no abnormal situation continue to step up. Oil and gas pipeline section pressure test pressure value, pressure holding time and qualified 标准应符合规定。 Standard should comply with the rules. 5．输气管道干燥：输气管道试压、清管结束后进行管道干燥。 5. Dry gas transmission pipeline, pipeline pressure test, pipeline drying after pigging. 五、管道压力试验的规定 Fifth, the rules of the pipeline pressure test 2．压力试验应以液体为试验介质，当管道的设计压力小于或等于0.6MPa时，可采用气 2. The pressure test shall be made in the liquid test medium, when the design of the pipeline pressure is less than or equal to 0.6 MPa, gas can be used 体为试验介质，但应采取有效安全措施。 As the test medium, but should take effective safety measures. 3．脆性材料严禁使用气体进行试验，压力试验温度严禁接近金属材料的脆性转变温度。 3. The brittle material gas is strictly prohibited to test, pressure test temperature close to brittle transition temperature of the metal materials are strictly prohibited. 5．试验过程发现泄漏时，不得带压处理。消除缺陷后应重新进行试验。 5. Test process found leakage, shall not take processing. After eliminating defects should be tested again. 6．试验结束后及时拆除盲板、膨胀节临时约束装置。 6. After the test timely remove blind flange, expansion joint temporary restraints. （二）管道压力试验前应具备的条件 (2) should have the condition before pipeline pressure test 3．管道上的膨胀节已设置了临时约束装置。 3. The expansion joint on the pipe has set up a