方向阀 油顺电磁换向阀中国台湾ASHUN油顺

AWH-G02-2B60A AWH-G02-2B40A AWH-G02-2B2B AWH-G02-2B3B AWH-G02-2B10AS

AWH-G02-2B10B AWH-G02-2B11B AWH-G02-2B4B AWH-G02-2B5B AWH-G02-2B11AS 

AWH-G02-2B12B AWH-G02-2B2BS AWH-G02-2B7B AWH-G02-2B8B AWH-G02-2B12AS  

AWH-G02-2B3BS AWH-G02-2B4BS AWH-G02-2B9B AWH-G02-3C10 AWH-G02-2B60AS

试验点应至少包括信号范围中的0、25%、50%、75%、100%这5个点，测量仪表基本误差应限于被测试阀基本误差限的四分之。其次是回差，采用同样的试验方式，在同一输入信号上秘得的正反行程的大差值即为回差。

AWH-G02-2B60B AWH-G02-2B40B AWH-G02-3C11 AWH-G02-3C12 AWH-G02-2B40AS

AWH-G02-2B10A AWH-G02-2B11A AWH-G02-2B2A AWH-G02-2B3A AWH-G02-2B9AS

AWH-G02-2B12A AWH-G02-2B2AS AWH-G02-2B4A AWH-G02-2B5A AWH-G02-2B8AS  

AWH-G02-2B3AS AWH-G02-2B4AS AWH-G02-2B7A AWH-G02-2B8A AWH-G02-2B7AS   

液压阀的始终点偏差也是如此，信号的上限（始点）处的基本误差即为始点偏差；信号的下限（终点）处的基本误差即为终点偏差。泄漏量较方便地试验介质为常温水，当阀的压差小于350kPa时，实验压力按350kPa做，当阀的工作压差大于350kPa时按允许压差做；而B试验方试按阀的工作压差做。

方向阀 油顺电磁换向阀中国台湾ASHUN油顺