壓力開關54NN-K117-N4-B1A　　特征：利用電磁閥控制液動閥，以變換液流方向。
　　電磁閥（先導閥）
　　組成〈 〉 組合而成
　　液動閥（主閥）
　　工作原理：
　　電：p ┴ A、B → T
　　圖示 〈 SCPSD-100-04-17 SCPSD-100-04-26
SCPSD-100-04-27 SCPSD-100-14-15
SCPSD-100-14-17 SCPSD-100-14-27
SCPSD-250-04-16 SCPSD-250-04-17
SCPSD-250-04-26 SCPSD-250-04-27
SCPSD-250-14-15 SCPSD-250-14-17
SCPSD-250-14-25 SCPSD-250-14-27
SCPSD-3000P-17-27 SCPSD-400-04-16
SCPSD-400-04-17 SCPSD-400-04-26
SCPSD-400-04-27 SCPSD-400-14-15
SCPSD-400-14-17 SCPSD-400-14-25
SCPSD-400-14-27 SCPSD-600-04-16
SCPSD-600-04-17 SCPSD-600-14-15
SCPT-015-02-02 SCPT-016-C2-05
SCPT-060-02-02 SCPT-060-C2-05
SCPT-1000-02-02 SCPT-1000-C2-05
SCPT-150-02-02 SCPT-150-02-02-PQC
SCPT-400-02-02 SCPT-400-C2-05
SCPT-600-02-02 SCPT-600-02-02-PQC
SCPT-600-C2-05 SCP-400-20-06
SCP-400-32-07 SCP-250-34-07-UCC
SC-250-00-07 SC-250-10-05
SC-250-10-07 SC-370-00-07
SC-370-10-05 SC-370-10-07

　　液：p 、A 、B、T均不通
　　電：p → A → 液動閥左腔，液動閥右腔 → B → T 
　　1YA通電〈 
　　液：p → A ，B → T4WMM6LB5X//V
4WMM6LB5X/F
4WMM6LB5X/F/V
4WMM6M5X/
4WMM6M5X//B08
4WMM6M5X/F
4WMM6M5X/F/B10
4WMM6M5X/F/T06
4WMM6MA5X/
4WMM6MA5X/F
4WMM6MB5X/
4WMM6MB5X/F
4WMM6MB5X/F/B08
4WMM6MB5X/F/B10
4WMM6P5X/
4WMM6P5X/F
4WMM6PA5X/
4WMM6PA5X/F
4WMM6Q5X/
4WMM6Q5X//B08
4WMM6Q5X//B10
4WMM6Q5X/F
4WMM6QB5X/F/V
4WMM6R5X/
4WMM6R5X/
4WMM6R5X//B12
4WMM6R5X//V

　　電：p → B → 液動閥右腔，液動閥左腔 → A → T
　　2YA通電〈　
　　液：p → B，A → T　特點：（1） 阻尼調(diào)節(jié)器（又稱換向時間調(diào)節(jié)器），實為一疊加式單向節(jié)流閥，可疊放在54NN-K117-N4-C1A-CS
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