4WE10E31B/CW220-50N9Z5L,华德型二位四通电磁换向阀
PAT5/16-02,PAT5/16-03,PAT5/16-04,PAT3/8-02,PAT3/8-03,PAT3/8-04,PAT5/32-N1U,
HR41-PC-111,HR41-PC-121,HR41-PC-121,HR41-25WBPE-3SC,HR41-25WBPF-3SC,
Z2FS10-5-33/V,Z2FS6-2-4X/2QV,Z2FS10-5-3X/V,