In the PVC production device, the dish valve in the charging system of traditional acetylene generator was often on fire, and even explosion because of its structure.
在PVC生产装置中，传统乙炔发生器上料系统中的进料碟阀，因结构原因，经常起火甚至爆炸。
2
According to the report, it took firefighters hours to stop the leak because the pipeline's main valve was damaged in the explosion.
据报道，因为管道主阀门在爆炸中已被损坏，消防人员花了几个小时才阻止了煤气的渗漏。
3
The test results showed that the explosion resistant controller could rapidly assist the shut-off valve to effectively prevent the gas explosion spreading.