7 hr 30 min Even after operators pump water into the primary loop, pressure is still high. The PORV 'backup valve is opened to lower the pressure.
7小时30分钟尽管操作员已将水抽入主回路，但温度仍然很高。减压阀的备用阀门被打开，减少压力。
2
The Sentronic series software features control loop customization so the valve can be tuned to the application.
该系列软件的功能昱准控制阀回路定制功能，这样可以调整到应用程序。
3
The relief valve and the pipeline are both important components of the hydraulic system, and that system including of relief valve and pipeline and constant pump is the basic loop of it.