压力控制阀有减压阀、安全阀和顺序阀三种。
Pressure control valve with pressure reducing valve, safety valve and the sequence of three kinds of valves.
现在，这个图表展示出了，一些金警报的垂直顺序，这些大部分是在压力，一个压力控制项目。
Now this chart shows the vertical sequence of some of these alarms. This is largely on pressure, a pressure control programme.
压力阀是用来控制液压系统的压力和防止油泵及执行元件的过载。根据功能可分为溢流阀、减压阀、顺序阀、卸荷溢流阀等。
Pressure control valves are used for controlling the pressure in a hydraulic system and protect its hydraulic pump and actuators from over-load.
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