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铝道网  >  铝设备 >  熔铝设备  > 磁电设备  > DB20-2-50/50力士乐溢流阀

DB20-2-50/50力士乐溢流阀

价格

800 元/个

  • 最小起订量: 3
  • 所在地:上海 上海
  • 供货总量: 90
  • 发布时间:2024-05-26

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产品描述

DB20-2-50/50力士乐溢流阀 德国博世力士乐REXROTH直动式溢流阀先导式溢流阀

我公司现货供应博世力士乐(BOSCH-REXROTH)、阿托斯ATOS、派克Parker、迪普马DUPLOMATIC、油研YUKEN;本特利bentley、贝加莱B&R、西门子、光洋KOYO,美国ASCO,美国PARKER派克 等系列进口产品 

DB20-2-50/50力士乐溢流阀

溢流阀一般有两种结构:1、直动型溢流阀 。2、先导式溢流阀。

对溢流阀的主要要求:调压范围大,调压偏差小,压力振摆小,动作灵敏,过载能力大,噪声小。

先导型溢流阀的导阀部分结构尺寸较小,调压弹簧不必很强,因此压力调整比较轻便。但因先导型溢流阀要在先导阀和主阀都动作后才能起控制作用,因此反应不如直动型溢流阀灵敏。

与三节同心结构相比,二节同心结构的特点是:①主阀芯仅与阀套和主阀座有同心度要求,免去了与阀盖的配合,故结构简单,加工和装配方便。②过流面积大,在相同流量的情况下,主阀开启高度小;或者在相同开启高度的情况下,其通流能力大,因此,可做得体积小、重量轻。③主阀芯与阀套可以通用化,便于筹备批量生产。

液压阀是用来控制液压系统中油液的压力、流量和液体流动方向。

二、液压阀的分类

按功能分:

方向控制阀(单向阀、换向阀)

压力控制阀(溢流阀、减压阀、顺序阀、压力继电器)

流量控制阀(节流阀、调速阀)

按操纵方式分:

手动和脚踏、机动、电动、液动、电液动等。

共同点

(1) 在结构上,所有的阀都有阀体、阀芯(转阀或滑阀)和驱使阀芯动作的部件(如弹簧、电磁铁)组成。

(2)在工作原理上,所有阀的开口大小,阀进、出口压差以及流过阀的流量之间的关系都符合孔口流量公式,仅是各种阀控制的参数各不相同而已。

三、对液压阀的基本要求

(1)动作灵敏,使用可靠,工作时冲击和振动小。

(2)油液流过的压力损失小。

(3)密封性能好。

(4)结构紧凑,安装、调整、使用、维护方便,通用性大。

DB20-2-50/50力士乐溢流阀

DB 型阀是先导控制式的溢流阀; DBW 型阀是先导控制式的电磁溢阀。 DB

型阀是用来控制液压系统的压力; DBW 型阀也可以控制液压系统的压力, 并且

能在任意时刻使系统卸荷。

DB 型阀主要是由先导阀和主阀组成。 DBW 型阀是由电磁换向阀、 先导阀和

主阀组成。

DB 型溢流阀:

A 腔的压力油作用在主阀芯下端的同时,

通过阻尼器 、  和通道 、  、

 作用在主阀芯上端和先导阀 的锥 阀

上。 当系统压力超过弹簧 的调定值时, 锥阀

 被打开。 同时主阀芯上端的压力油通过阻尼

器 、 通道 、 弹簧腔 及通道

流回 B 腔(控制油内排型) 或通过外排口

流回油箱(控制油外排型) 。 这样, 当压力油通过阻尼器 、  时在主阀

芯 上产生了一个压力差, 主阀芯在这个压差的作用下打开, 这样在调定的

工作压力下压力油从 A 腔流到 B 腔(即卸荷) 。

IMG_0509.jpgIMG_0498.jpgIMG_0931.jpg

溢流阀型号

R900589433 DB20-2-5X/100

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R900911337 DB20-2-5X/100/50

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R900558858 DB20-2-5X/200=LB

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R901020531 DB20-5-5X/315Y

R901040328 DB20-5-5X/315YV/12

R900567339 DB20-5-5X/50

R900532594 DB20-5-5X/50XY

R900518379 DB20-5-5X/50YM

R901355198 DB20-5-5X/50YMV

R900524784 DB20-6-5X/100

R900560614 DB20-6-5X/315

R900501084 DB20-6-5X/315V

R901081859 DB20-6-5X/80XYM

R900766257 DB20-7-5X/100

R900536510 DB20-7-5X/100UV

R901355568 DB20-7-5X/100Y

R900942534 DB20-7-5X/200

R901219149 DB20-7-5X/200XV

R900539745 DB20-7-5X/315XU

R900757533 DB20-7-5X/350

R901043740 DB20-7-5X/50

R901117987 DB20-7-5X/50U

R900920356 DB20-7-5X/50X

R901219147 DB20-7-5X/50XV

R900503185 DB25G.-5X/...

R900465515 DB25G1-3X/315X/5

R900533967 DB25G1-5X/100

R900522293 DB25G1-5X/100U

R901127359 DB25G1-5X/100XUV

R900539028 DB25G1-5X/200

R900511568 DB25G1-5X/200/12

R901127357 DB25G1-5X/200XUV

R900598377 DB25G1-5X/315

R900565820 DB25G1-5X/315MK/12

R900513848 DB25G1-5X/315X

R901365901 DB25G1-5X/315XUV

R900512095 DB25G1-5X/315XY

R900979583 DB25G1-5X/350XY

R900927454 DB25G1-5X/350Y/12

R901315638 DB25G1-5X/50UV

R900448194 DB25G2-3X/315X/5

R900597587 DB25G2-5X/100

R900532968 DB25G2-5X/100U

R900957378 DB25G2-5X/100UV

R901414040 DB25G2-5X/100V

R900596654 DB25G2-5X/100X

R900590329 DB25G2-5X/100XU

R900534922 DB25G2-5X/100XY

R900520435 DB25G2-5X/100Y

R900772197 DB25G2-5X/100YU

R900514003 DB25G2-5X/200

R900536185 DB25G2-5X/200/12

R900920510 DB25G2-5X/200X

R900962001 DB25G2-5X/200Y

R900590552 DB25G2-5X/315

R900598148 DB25G2-5X/315/12

R900733618 DB25G2-5X/315P120

R900528647 DB25G2-5X/315U

R900741228 DB25G2-5X/315V

R901440413 DB25G2-5X/315V/12

R900595925 DB25G2-5X/315X

R900599427 DB25G2-5X/315X/12

R900520974 DB25G2-5X/315XJ

R900527338 DB25G2-5X/315XU

R900966567 DB25G2-5X/315XV

R900596816 DB25G2-5X/315XY

R901312994 DB25G2-5X/315Y

R900536552 DB25G2-5X/315YU

R900595296 DB25G2-5X/350

R900905623 DB25G2-5X/350U

R900595297 DB25G2-5X/350XY

R900753783 DB25G2-5X/350XYU

R900959480 DB25G2-5X/350Y

R900520434 DB25G2-5X/50

R900904401 DB25G2-5X/50-20

R901023823 DB25G2-5X/50/12

R900777289 DB25G2-5X/50P10

R900522365 DB25G2-5X/50U

R901418848 DB25G2-5X/50V

R900594968 DB25G2-5X/50XY

R900917413 DB25G2-5X/50XYU

R900591762 DB25G2-5X/50Y

R900593640 DB25G2-5X/50YU

R900526 DB25G3-5X/100

R900504939 DB25G3-5X/100V

R900567193 DB25G3-5X/200/12

R900597977 DB25G3-5X/315

R900513633 DB25G3-5X/315/12

R900596202 DB25G3-5X/315U

R900508947 DB25G7-5X/200

R900510763 DB25G7-5X/200Y

R900533415 DB25G7-5X/200YV

R900598714 DB25G7-5X/315

R900599560 DB25G7-5X/315Y

R900515020 DB25G7-5X/315YV

R900521336 DB25G7-5X/50

R900724441 DB25-2-5X/315X

R900596962 DB30G.-5X/...

R900597797 DB30G1-5X/100

R900945718 DB30G1-5X/100

R900501955 DB30G1-5X/100B

R900945717 DB30G1-5X/100V

R900546423 DB30G1-5X/140B

R900534875 DB30G1-5X/200

R900961381 DB30G1-5X/200/12

R900532202 DB30G1-5X/200B

R900597963 DB30G1-5X/315

R900520341 DB30G1-5X/315B

二通插装阀以其独特的优点以及经济和技术上的明显优势被广泛应用到各个行业。在集成的液压元件中,当通径小于32mm时,可采用叠加

阀,当通径大于中32mm时,应考虑采用插装阀。在一个液压系统中,可根据需要,液压控制阀全部采用二通插装阀;也可以部分液压控制阀采用滑阀式,另一部分液压控制阀采用二通插装阀,充分发挥两种液压控制阀各自的优点。

压力机械属于重型机械,主要应用于冶金行业.重型机械制造、化工等行业,如冲压机、锻造机、剪切机、粉末制品压力机、挤压机等。压力机械的动力及控制部分多数采用液压传动,由于液压系统所需的压力高、流量大,故适于用二通插装阀来控制液压系统的压力、流量和流动方向。

 

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