1.不锈钢换热器的全面气密性实验,应拟定具体的压力实验计划。
2.实验介质为合格的质料乙烯。
3.归纳气密实验压力应为实际工艺发生的较高操作压力。
4.当归纳气密实验压力到达正常工作压力的1/3时,应查看整个系统的密封部分。查看办法应用肥皂水或胶带查看。
5.在上述情况下,假如换热设备没有反常,则连续三次将压力提升到更高的操作压力。每升级一级后,都要进行上述查看。假如没有反常,便是合格的。
以上便是对其气密性实验的具体介绍,在气密性实验中,经常运用乙烯作为介质。只有合格且无反常的设备才能投入市场出售。
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