苏州登正机电有限公司专业销售进口油研YUKEN液压阀 液压泵全系列
油研YUKEN叶片泵 原装,质量保证,油研YUKEN江苏办事处 油研YUKEN
(062)A70-LR04BS-60 A70-LR04CS-60 A70-LR04HS-60
(063)A70-LR04KS-60 A90-LR04BS-60 A90-LR04CS-60
(064)A90-LR04HS-60 A90-LR04KS-60 A145-LR04BS-60
(065)A145-LR04CS-60 A145-LR04HS-60 A145-LR04KS-60
(048)PV2R1-14-F-RAA-41 PV2R1-17-F-RAA-41
(049)PV2R1-19-F-RAA-41 PV2R1-23-F-RAA-41
(050)PV2R1-6-F-RAA-41 PV2R1-8-F-RAA-41
(051)PV2R1-28-F-RAA-41 PV2R1-10-F-RAA-41
(052)PV2R1-25-F-RAA-41 PV2R1-6-L-RAA-4222
(053)PV2R1-6-L-LAA-4222 PV2R1-6-L-RAB-4222
(054)PV2R1-6-L-LAB-4222 PV2R1-6-F-LAB-4222
(055)PV2R1-6-F-RAA-4222 PV2R1-6-F-LAA-4222
(056)PV2R1-6-F-RAB-4222 PV2R1-8-F-RAA-4222
(057)PV2R1-8-F-LAA-4222 PV2R1-8-F-RAB-4222
(058)PV2R1-8-F-LAB-4222 PV2R1-8-L-LAA-4222
(059)PV2R1-8-L-RAB-4222 PV2R1-8-L-LAB-4222
(060)PV2R1-8-L-RAA-4222 PV2R1-8-L-LAB-4222
(061)PV2R1-8-F-LAB-4222
⑤JF型减压阀,出厂时泄油孔是用油塞堵住的。当此油塞未拧出而使用时,使主阀芯上腔(弹簧腔)困油,导致主阀芯处于Zui大开度而不减压。J型管式阀与此相同。J型板式阀如果设计安装板时未使L口连通油池也会出现此现象。
⑥对J型管式阀,拆修时很容易将阀盖装错方向(错90°或180°),使外泄油口堵死,无法排油,造成同上的困油现象,使主阀顶在Zui大开度而不减压。修理时将阀盖装配方向装对即可。
⑦对JF型减压阀,顶盖方向装错时,会使输出油孔与泄油孔相通,造成不减压,也须注意。