XYA-Ha16D-A(B)-1,XYA-Fa6/16D-B(A),XYA-Fa16D-BU(A)-1,叠加式外控单向顺序阀
XYA-Fa6/16D-A(B),XYA-Fa16D-B(A)-1,XYA-Fa16D-AU(B)-1,
XYA-Fa6/16D-AU(B),XYA-Fa6/16D-BU(A),
XYA-Fg16D-A(B)-1,XYA-Fg6/16D-B(A),XYA-Fg16D-BU(A)-1,XYA-Fg6/16D-A(B),
XYA-Fg16D-B(A)-1,XYA-Fg16D-AU(B)-1,XYA-Fg6/16D-AU(B),XYA-Fg6/16D-BU(A),