Note pressure differential and enter flow rate chart at pressure differential noted.

注意所标注的压差和对应压差的进口流量表.

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Purpose : To test operation of pressure differential relief valve.

目的: 检测差压安全阀的工作性能.

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Connect wire to pressure differential switch.

连线至差速压力开关.

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A pressure differential relief valve is located in a zone between the check valves.

压差安全阀位于止回阀之间的区内.

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Maximum pressure differential required for valves with lever actuators should not exceed the limits listed.

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.

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Maximum pressure differential for valves with lever actuators should not exceed the limits listed.

配置杠杆执行器的最大压差不能超过下表所列的极限指.

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Connect hoses, vent meter and read pressure differential in accordance with instructions furnished with meter.

连接软管, 排放仪器气体,按照仪器配置的说明书读出压差值.

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Slowly open VA and lower high side pressure about side pressure ( differential reading about - 2.0 psid ).

缓慢开启VA, 高端压力比低端压力降低2psid左右 ( 不同读数大约在2.0psid左右 ).

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Analyze the relationship between flow, pressure, pressure differential and valve opening of pressure reducing valves.

分析了减压阀的流量 、 力 、 力差和阀门开度的关系.

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