1. Excess pressure unseats the poppet, allowing flow with minimal increase in system pressure. 多余压力从阀门排出,使得流体通过时系统增压最小。
2. The flushing action is achieved as the compressed purge media is released to become the flush media when the plug unseats . 当阀塞离开阀座位置时,被压缩的清洗流体介质变成冲刷流体介质,实现冲刷作用。