详谈聚氨酯彩钢岩棉板的压力测试

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彩钢岩棉板为大家的生活提供了便利。在很多方面，它显示了它的多功能性能，但产品的压力测试知识需要你记住。接下来，让我们介绍一下：
彩钢岩棉板投产前应进行试压。压力试验包括强度试验和水密性试验。试验介质一般推荐水。待测管道中的空气排除后，应以稳定的升压速度将压力增加到所需的压力值，压力表应尽量放在产品的最低点。压力试验可在回填前或回填后进行，应定期覆土。特别是打猎时，试压时应将彩钢岩棉板固定到位。
应注意的是，压力试验的试验压力不应超过彩钢岩棉板压力等级或系统附件最低压力等级的1.5倍。开始时，应将压力增加到规定的试验压力值，并保持足够的时间，以确保产品完全膨胀。这个过程需要2-3个小时。当系统稳定时，应将压力增加到工作压力的1.5倍，稳压1小时，仔细观察压力表，并沿线路巡查。试验过程中无明显渗漏或明显压降，彩钢岩棉板试压合格。
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Color steel rock wool board provides convenience for everyone's life. In many aspects, it shows its multi-functional performance, but the product's stress test knowledge needs to be remembered by you. Next, let's introduce:

The pressure test should be carried out before the color steel rock wool board is put into operation. Pressure test includes strength test and water tightness test. Water is generally recommended as the test medium. After the air in the pipeline to be tested is removed, the pressure shall be increased to the required pressure value at a stable pressure rise speed, and the pressure gauge shall be placed at the lowest part of the product as far as possible. The pressure test can be carried out before or after the online backfilling, which should be covered with soil at intervals. Especially for hunting, the color steel rock wool board should be fixed in place during the pressure test.
It should be noted that the test pressure of the pressure test should not exceed 1.5 times of the pressure grade of the color steel rock wool plate or the lowest pressure grade of the accessories in the system. At the beginning, the pressure should be increased to the specified test pressure value and stay for enough time to ensure the product is fully expanded. This process takes 2-3 hours. When the system is stable, the pressure should be increased to 1.5 of the working pressure Double, stabilize the pressure for 1 hour, carefully observe the pressure gauge and patrol along the line. If there is no visible leakage or obvious pressure drop during the test, the colored steel rock wool board passes the pressure test.
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