产品的详细介绍：
台湾northman北部精机
叠加式溢流阀MRF
订货型号如下：
其中P，A,B,C和D代表溢流阀控制油路
P:P孔      A:A孔      B:B孔      C:A&B串联    D:A&B并联
其中K代表附塑料旋钮，没有K代表未附旋钮
其中1-4代表压力调节范围
1:8-70bar      2:35-140bar      3:70-210        4:210-250      
最后20和40分别代表零件式和插件式
MRF-02P-K-1-20
MRF-02P-K-1-40
MRF-02P-1-20
MRF-02P-1-40
MRF-02P-K-2-20
MRF-02P-K-2-40
MRF-02P-2-20
MRF-02P-2-40
MRF-02P-K-3-20
MRF-02P-K-3-40
MRF-02P-3-20
MRF-02P-3-40
MRF-02P-K-4-20
MRF-02P-K-4-40
MRF-02P-4-20
MRF-02P-4-40
MRF-03P-K-1-20
MRF-03P-K-1-40
MRF-03P-1-20
MRF-03P-1-40
MRF-03P-K-2-20
MRF-03P-K-2-40
MRF-03P-2-20
MRF-03P-2-40
MRF-03P-K-3-20
MRF-03P-K-3-40
MRF-03P-3-20
MRF-03P-3-40
MRF-03P-K-4-20
MRF-03P-K-4-40
MRF-03P-4-20
MRF-03P-4-40
MRF-04P-K-1-20
MRF-04P-K-1-40
MRF-04P-1-20
MRF-04P-1-40
MRF-04P-K-2-20
MRF-04P-K-2-40
MRF-04P-2-20
MRF-04P-2-40
MRF-04P-K-3-20
MRF-04P-K-3-40
MRF-04P-3-20
MRF-04P-3-40
MRF-04P-K-4-20
MRF-04P-K-4-40
MRF-04P-4-20
MRF-04P-4-40
MRF-06P-K-1-20
MRF-06P-K-1-40
MRF-06P-1-20
MRF-06P-1-40
MRF-06P-K-2-20
MRF-06P-K-2-40
MRF-06P-2-20
MRF-06P-2-40
MRF-06P-K-3-20
MRF-06P-K-3-40
MRF-06P-3-20
MRF-06P-3-40
MRF-06P-K-4-20
MRF-06P-K-4-40
MRF-06P-4-20
MRF-06P-4-40
MRF-02A-K-1-20
MRF-02A-K-1-40
MRF-02A-1-20
MRF-02A-1-40
MRF-02A-K-2-20
MRF-02A-K-2-40
MRF-02A-2-20
MRF-02A-2-40
MRF-02A-K-3-20
MRF-02A-K-3-40
MRF-02A-3-20
MRF-02A-3-40
MRF-02A-K-4-20
MRF-02A-K-4-40
MRF-02A-4-20
MRF-02A-4-40
MRF-03A-K-1-20
MRF-03A-K-1-40
MRF-03A-1-20
MRF-03A-1-40
MRF-03A-K-2-20
MRF-03A-K-2-40
MRF-03A-2-20
MRF-03A-2-40
MRF-03A-K-3-20
MRF-03A-K-3-40
MRF-03A-3-20
MRF-03A-3-40
MRF-03A-K-4-20
MRF-03A-K-4-40
MRF-03A-4-20
MRF-03A-4-40
MRF-04A-K-1-20
MRF-04A-K-1-40
MRF-04A-1-20
MRF-04A-1-40
MRF-04A-K-2-20
MRF-04A-K-2-40
MRF-04A-2-20
MRF-04A-2-40
MRF-04A-K-3-20
MRF-04A-K-3-40
MRF-04A-3-20
MRF-04A-3-40
MRF-04A-K-4-20
MRF-04A-K-4-40
MRF-04A-4-20
MRF-04A-4-40
MRF-06A-K-1-20
MRF-06A-K-1-40
MRF-06A-1-20
MRF-06A-1-40
MRF-06A-K-2-20
MRF-06A-K-2-40
MRF-06A-2-20
MRF-06A-2-40
MRF-06A-K-3-20
MRF-06A-K-3-40
MRF-06A-3-20
MRF-06A-3-40
MRF-06A-K-4-20
MRF-06A-K-4-40
MRF-06A-4-20
MRF-06A-4-40
MRF-02B-K-1-20
MRF-02B-K-1-40
MRF-02B-1-20
MRF-02B-1-40
MRF-02B-K-2-20
MRF-02B-K-2-40
MRF-02B-2-20
MRF-02B-2-40
MRF-02B-K-3-20
MRF-02B-K-3-40
MRF-02B-3-20
MRF-02B-3-40
MRF-02B-K-4-20
MRF-02B-K-4-40
MRF-02B-4-20
MRF-02B-4-40
MRF-03B-K-1-20
MRF-03B-K-1-40
MRF-03B-1-20
MRF-03B-1-40
MRF-03B-K-2-20
MRF-03B-K-2-40
MRF-03B-2-20
MRF-03B-2-40
MRF-03B-K-3-20
MRF-03B-K-3-40
MRF-03B-3-20
MRF-03B-3-40
MRF-03B-K-4-20
MRF-03B-K-4-40
MRF-03B-4-20
MRF-03B-4-40
MRF-04B-K-1-20
MRF-04B-K-1-40
MRF-04B-1-20
MRF-04B-1-40
MRF-04B-K-2-20
MRF-04B-K-2-40
MRF-04B-2-20
MRF-04B-2-40
MRF-04B-K-3-20
MRF-04B-K-3-40
MRF-04B-3-20
MRF-04B-3-40
MRF-04B-K-4-20
MRF-04B-K-4-40
MRF-04B-4-20
MRF-04B-4-40
MRF-06B-K-1-20
MRF-06B-K-1-40
MRF-06B-1-20
MRF-06B-1-40
MRF-06B-K-2-20
MRF-06B-K-2-40
MRF-06B-2-20
MRF-06B-2-40
MRF-06B-K-3-20
MRF-06B-K-3-40
MRF-06B-3-20
MRF-06B-3-40
MRF-06B-K-4-20
MRF-06B-K-4-40
MRF-06B-4-20
MRF-06B-4-40
MRF-02C-K-1-20
MRF-02C-K-1-40
MRF-02C-1-20
MRF-02C-1-40
MRF-02C-K-2-20
MRF-02C-K-2-40
MRF-02C-2-20
MRF-02C-2-40
MRF-02C-K-3-20
MRF-02C-K-3-40
MRF-02C-3-20
MRF-02C-3-40
MRF-02C-K-4-20
MRF-02C-K-4-40
MRF-02C-4-20
MRF-02C-4-40
MRF-03C-K-1-20
MRF-03C-K-1-40
MRF-03C-1-20
MRF-03C-1-40
MRF-03C-K-2-20
MRF-03C-K-2-40
MRF-03C-2-20
MRF-03C-2-40
MRF-03C-K-3-20
MRF-03C-K-3-40
MRF-03C-3-20
MRF-03C-3-40
MRF-03C-K-4-20
MRF-03C-K-4-40
MRF-03C-4-20
MRF-03C-4-40
MRF-04C-K-1-20
MRF-04C-K-1-40
MRF-04C-1-20
MRF-04C-1-40
MRF-04C-K-2-20
MRF-04C-K-2-40
MRF-04C-2-20
MRF-04C-2-40
MRF-04C-K-3-20
MRF-04C-K-3-40
MRF-04C-3-20
MRF-04C-3-40
MRF-04C-K-4-20
MRF-04C-K-4-40
MRF-04C-4-20
MRF-04C-4-40
MRF-06C-K-1-20
MRF-06C-K-1-40
MRF-06C-1-20
MRF-06C-1-40
MRF-06C-K-2-20
MRF-06C-K-2-40
MRF-06C-2-20
MRF-06C-2-40
MRF-06C-K-3-20
MRF-06C-K-3-40
MRF-06C-3-20
MRF-06C-3-40
MRF-06C-K-4-20
MRF-06C-K-4-40
MRF-06C-4-20
MRF-06C-4-40
MRF-02D-K-1-20
MRF-02D-K-1-40
MRF-02D-1-20
MRF-02D-1-40
MRF-02D-K-2-20
MRF-02D-K-2-40
MRF-02D-2-20
MRF-02D-2-40
MRF-02D-K