直销阿托斯ATOS溢流阀/ATOS比例阀

直销阿托斯ATOS溢流阀/ATOS比例阀

ATOS先导型溢流阀由主阀和先导阀两部分组成。先导阀类似于直动型溢流阀，但一般多为锥阀（或球阀）形阀座式结构。主阀可分为一节同心结构、二节同心结构和三节同心结构。三节同心结构:主阀芯与阀盖、阀体与主阀座等三处有同心配合要求，属于三节同心结构。压力油自阀体中部进油口进入，并主阀芯上阻尼孔进入主阀芯上腔，油阀盖上通道和锥阀座上小孔作用与锥阀上。当进油口压力小于先导阀调压弹簧调定值时，先导阀关闭，主阀芯上、下两侧有效面积比为1.03～1.05，上侧稍大，作用与主阀芯上压力差和主阀弹簧力均使主阀口闭紧，不溢流。当进油压力超过先导阀调定压力时，先导阀被打开，造成资金油口P井主阀芯阻尼孔、先导阀口、主阀芯ZX孔至阀体下部出油口（溢流口）流动。阻尼孔处流动损失使主阀芯上、下腔中油液产生一个随先导阀流量增加而增加压力差，当它主阀芯上、下作用面上产生总压力差足以克服主阀弹簧力、主阀自重和摩擦力时，主阀芯开启。此时进油口与出油口（溢流口）直接相通，造成溢流以保持系统压力。

ATOS先导型溢流阀故障失灵及造成的原因：先导阀阀芯弹簧折断；阴尼孔堵塞；先导阀阀口密封不良；主阀芯卡死等。相应的排除措施是：更换或在折断处加平垫以应急使用；清洗疏通；研磨或将该油路断路以应急使用；研磨、清洗。

限压不稳：先导型溢流阀限压不稳，表现为液压系统压力偏低或偏高，液压执行元件动作无力或油管、泵体、阀体爆裂。造成限压不稳故障的原因：压力调整不当；先导阀阀芯弹簧弯曲或变软；油液过脏或油液流动不畅。相应的排除措施是：重新调整；校正、加垫或更换；更换、清洗。先导型溢流阀限压不稳为渐发性故障，先导型溢流阀失灵为突发性故障，在排除完故障后，应按系统所限定的压力对先导型溢流阀控制的压力重新进行调整。 

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ATOS先导式溢流阀

AGAM-10/350

AGAM-10/50 34

AGAM-20/10/100/V-IX 24DC 53

AGAM-20/10/210/V-IX 24DC 53

AGAM-20/10/210-IX 230/50/60AC

AGAM-20/10/210-IX 24DC

AGAM-20/10/350-IX 230/50/60AC

AGAM-20/10/350-IX 24DC

AGAM-20/100

AGAM-20/11/210/M-AO 220 21

AGAM-20/11/210/V-IX 24DC 53

AGAM-20/11/210-IX 230/50/60AC

AGAM-20/11/210-IX 24DC

AGAM-20/11/350-IX 24DC 53

AGAM-20/210

AGAM-20/210/V 53 /WG

AGAM-20/22/350/350-IX 24DC

AGAM-20/350

AGAM-32/10/210-IX 24DC

AGAM-32/10/350-IX 24DC

AGAM-32/20/210/210/V-IX 230/50/60AC 53

AGAM-32/20/210/210-IX 230/50/60AC

AGAM-32/20/350/210-IX 24DC 53

AGAM-32/210 53

AGAM-32/350

AGAM-32/350/V 53

ARAM-20/10/100/V-IX 110/50/60A

ARAM-20/10/210-IX 24DC 72

ARAM-20/100 72

ARAM-20/210

ARAM-20/350 72

ARAM-32/11/210-IX 110/50/60AC

AGAM-10/10/100 34

AGAM-10/10/100-IX 230/50/60AC 34

AGAM-10/10/100-IX 24DC

AGAM-10/10/210

直销阿托斯ATOS溢流阀/ATOS比例阀

AGAM-10/10/210/V-IX 24DC

AGAM-10/10/210-IX 230/50/60AC

AGAM-10/10/210-IX 24DC

AGAM-10/10/210-IX 24DC 34/WG

AGAM-10/10/350 34

AGAM-10/10/350/V-IX 24DC

AGAM-10/10/350-1X 24DC 34

AGAM-10/100

AGAM-10/100/V

AGAM-10/11/100 34

AGAM-10/11/100/7PA-M-AO 24DC

AGAM-10/11/100-IX 230/50/60AC

AGAM-10/11/210-IX 230/50/60AC

AGAM-10/11/210-IX 24DC

AGAM-10/11/350/PA-GK-AO 24DC 22

AGAM-10/11/350-IX 110/50/60AC

AGAM-10/11/350-IX 24DC

AGAM-10/20/210/100-IX 24DC

AGAM-10/20/350/100-IX 230/50/60AC 34

AGAM-10/20/350/210/V-IX 230/50/60AC 34

AGAM-10/20/350/210-IX 230/50/60AC 34

AGAM-10/20/350/210-IX 24DC 34

AGAM-10/21/350/100-IX 24DC 34

AGAM-10/21/350/210-IX 230/50/60AC 34

AGAM-10/210

AGAM-10/210/V 34

ATOS放大器

E-BM-AC-011F

E-BM-AC-01F 11/2

E-BM-AC-01F 11/3

E-BM-AC-01F/RR 11/A1

E-BM-AC-05F 11/3

E-BM-AC-05F 11/4

E-BM-AC-05F/RR 11/3

E-ME-AC-01F 20

E-ME-AC-01F 20/1

E-ME-AC-01F 20/2

E-ME-AC-01F 20/3

E-ME-AC-01F 20/4

E-ME-AC-01F 20/6

E-ME-AC-01F 20/A1

E-ME-AC-01F 20/A2

E-ME-AC-01F 20/A4

E-ME-AC-01F/4R-4 20

E-ME-AC-01F/4R-4 20/2

E-ME-AC-01F/4R-4 20/3

E-ME-AC-01F/4R-4 20/6

E-ME-AC-01F/I 20

E-ME-AC-01F/I 20/2

E-ME-AC-01F/I 20/4

E-ME-AC-01F/I 20/6

E-ME-AC-01F/RR 20/4

E-ME-AC-01F/RR 20/A2

E-ME-AC-01F/RR-4 20

E-ME-AC-01F/RR-4 20/3

E-ME-AC-01F/RR-4 20/6

E-ME-AC-01F-4 20/2

E-ME-AC-05F 20

E-ME-AC-05F 20/2

E-ME-AC-05F 20/3

E-ME-AC-05F 20/4

E-ME-AC-05F 20/A3

E-ME-AC-05F/4R-4 20/3

E-ME-AC-05F/4R-4 20/4

E-ME-AC-05F/I 20

E-ME-AC-05F/I 20/3

E-ME-AC-05F/I 20/4