冷藏库氨制冷装置安全技术规程第二章第十五条规定:氨压力表每年必须经法定的检验部门校正一次,其它仪表应符合有关部门的规定。我厂于1989年底对所有压力表都进行了一次全面彻底的更换校验。在更换校验过程中由于拆检人员对系统不十分熟悉,发生了一些本 Refrigeration ammonia refrigeration plant safety technical regulations Chapter II of Article XV: ammonia pressure gauge must be verified by the statutory inspection department once a year, other instruments should be consistent with the provisions of the relevant departments. I plant at the end of 1989 for all pressure gauges have conducted a complete replacement verification. In the process of replacement of inspection due to the dismantling of staff is not very familiar with the system, some of this occurred