采用杠杆执行器要求阀门的最大压差不能超过下表所列的极限。
Maximum pressure differential required for valves with lever actuators should not exceed the limits listed.
由于采用了双阀孔结构设计，在最大压差下排放凝结水的同时，还有一个为二次蒸汽系统设计的预设压差系统在工作。
Because of the dual-orifice design, there is a preset controlled pressure differential for the secondary steam system, while maximum pressure differential is available to discharge the condensate.
应用环境-管路流体介质，温度和最大工作压差。
Service conditions-line media, temperature, and maximum operating differential pressure.
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