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原装力士乐现货 DB20-1-50/315U

发布时间 2022-07-27 收藏 分享
价格 面议
品牌 力士乐
区域 全国
来源 武穴黎翔机电设备有限公司

详情描述:

库存力士乐液压阀 DB20-1-50/315U

武穴黎翔机电设备有限公司:18934630908  (微信同号)

内部先导式减压阀当减压阀的输出压力较高或通径较大时,用调压弹簧直接调压,则弹簧刚度必然过大,流量变化时,输出压力波动较大,阀的结构尺寸也将增大。为了克服这些缺点,可采用先导式减压阀。先导式减压阀的工作原理与直动式的基本相同。先导式减压阀所用的调压气体,是由小型的直动式减压阀供给的。若把小型直动式减压阀装在阀体内部,则称为内部先导式减压阀;若将小型直动式减压阀装在主阀体外部,则称为外部先导式减压阀。与直动式减压阀相比,增加了由喷嘴4、挡板3、固定节流孔9及气室B所组成的喷嘴挡板放大环节。当喷嘴与挡板之间的距离发生微小变化时,就会使B室中的压力发生根明显的变化,从而引起膜片10有较大的位移,去控制阀芯6的上下移动,使进气阀口8开大或关小、提高了对阀芯控制的灵敏度,即提高了稳压精度。

在主阀体外部还有一个小型直动式减压阀由它来控制主阀。此类阀适于通径在20mm以上,远距离(30m以内)、高处、危险处、调压困难的场合。



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R901020317 DB10-2-5X/350VD 

R900501045 DB10-2-5X/350X 

R901094599 DB10-2-5X/350X./12 

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R900970219 DB10-2-5X/500V SO99 

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R900929814 DB10-2-5X/50B 

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R900579303 DB10-2-5X/50U 

R901444731 DB10-2-5X/50U/12 

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R978892751 DB10-2-5X/350X/12 

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R978874041 DB10-2-5X/50V/12 

R900787149 DB20-2-5X/160YE 

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R900546391 DB20-2-5X/170B 

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R900546393 DB20-2-5X/180B 

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R900590768 DB20-2-5X/200 

R900930933 DB20-2-5X/200-120 

R901225115 DB20-2-5X/200-150 

R901207674 DB20-2-5X/200-150XY 

R900908035 DB20-2-5X/200-160 

R900737382 DB20-2-5X/200-180 

R900535931 DB20-2-5X/200/12 

R900558858 DB20-2-5X/200=LB 

R900597123 DB20-2-5X/200B 

R901003073 DB20-2-5X/200D 

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R900769587 DB20-2-5X/200E 

R900704830 DB20-2-5X/200P175V 

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R900595893 DB20-2-5X/200X 

R900554165 DB20-2-5X/200X SO566 

R900561259 DB20-2-5X/200X/12 

R900523527 DB20-2-5X/200XU 

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R900549653 DB20-2-5X/200XY/12 

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R900596528 DB20-2-5X/200Y 

R900918105 DB20-2-5X/200Y/12 

R900903802 DB20-2-5X/200Y/50 

R900501297 DB20-2-5X/200YB 

R900787948 DB20-2-5X/200YD 

R900788059 DB20-2-5X/200YE 

R901145333 DB20-2-5X/200YU 

R900506323 DB20-2-5X/200YV 

R900247762 DB20-2-5X/200YV/12 

R901406071 DB20-2-5X/200YVD 

R900546399 DB20-2-5X/210B 

R900769388 DB20-2-5X/210E 

R900932814 DB20-2-5X/210UB 

R900546400 DB20-2-5X/210VB 

联系人 黎翔
18934630908 736567721
736567721@qq.com
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