本品牌Northman北部精机产品包括电磁阀，机械换向阀，手动阀，单向阀，充液阀，
逻辑阀，溢流阀，减压阀，顺序阀，背压阀，节流阀，调速阀，流量阀，
比例阀，压力继电器，柱塞泵，叶片泵，齿轮泵，压力表开关等液压附件
螺丝旋上螺母，用规定的扭矩拧紧螺母。经测试后，须在规定的扭矩范围内重新拧紧螺母，以达到足够的预紧度。
压力调整 调整压力时，放松锁紧螺母，慢慢转动手柄，顺时针为压力升高，逆时针为压力降低，调整完毕，不要忘记拧紧锁紧螺母。
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
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
