安装在主管线内，防止上游压力降到预置最小压力以下。电磁阀的过载平衡功能使其能够进行电气开-关操作。
Installed in a mainline it prevents upstream pressure from dropping below a preset minimum. Solenoid override of the sustaining function allows for electrical on-off operation.
给水泵汽轮机模型采用TUPWR算法，给水泵系统采用SFPUMP算法，最小流量阀采用SOVLV算法，泵出口流量的关系采用压力节点进行计算。
TUPWR algorithm was adopted for the pump turbine model, SFPUMP for feed pump system, SOVLV for minimal flow valve, and pressure node for calculating the discharge rate of the pump.
液压储能器和液压阀板距离短，压力损失被降到最小。
Pressure loss is minimized thanks to the short distance between the hydraulic accumulators and the hydraulic block.
对于所有元件(流量元件或控制阀除外)，列出了元件预计起作用范围内的实际最小、正常和最大压力与温度？
For all elements other than flow elements or control valves, the true minimum, normal and maximum pressure and temperature ranges over which the element is expected to be effective are shown.
分析了往复式压缩机气流脉动的特点，结合安全阀的整定压力偏差，给出了确定最小安全阀整定压力的公式。
Through the analysis of gas pulsation characteristics in reciprocating compressor and deviation in set pressure, the equation is given for determining the minimum set pressure of safety relief valve.
当压力比相同时，两个换向阀不同通道流量的最大差值分别为其最小流量的11.8%和26.6%。
The biggest difference between passages is 11.8% and 26.6% of the minimum flow-rate irrespectively.
当压力比相同时，两个换向阀不同通道流量的最大差值分别为其最小流量的11.8%和26.6%。
The biggest difference between passages is 11.8% and 26.6% of the minimum flow-rate irrespectively.
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