With the gradual increase in capacity, the intermittent discharge of purgegas from the ammonia system is changed to stable discharge.
随着生产能力的逐步提高，合成氨系统排放的吹除气由间歇排放改为稳定排放。
2
If analytical equipment is available, purgesystem until oxygen content of residual gas is either less than or meets the process specification impurity level.
如果有分析仪器的话，一直净化设备，直到残留气体的氧含量或者低于或者满足工艺规范的纯度级别。
3
If a leak develops in a customer system, close the cylinder valve and vent residual product, and purge the lines with inert gas before attempting repairs.