S20A3.0管式单向阀

S20A3.0/管式单向阀 德国原装博世力士乐REXROTH单向阀 电磁阀

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 

S20A3.0/管式单向阀

技术参数

公称通径:21/16“~41/16“

工作压力：2,000~15,000PSI

温度：-60?C~ 121?C(K,U)

产品规范级别：PSL3~4

产品性能级别：PR1~2

材料级别：AA~FF

单向阀是气流只能一个方向流动而不能反向流动的方向控制阀。其工作原理与液压单向阀一样。压缩空气从P口进入，克服弹簧力和摩擦力使单向阀阀口开启，压缩空气从P流至A；当P口无压缩空气时，在弹簧力和A口(腔)余气力作用下；阀口处于关闭状 态，使从A至P气流不通。单向阀应用于不允许气流反向流动的场合，如空压机向气罐充气 时，在空压机与气罐之间设置一单向阀，当空压机停止工作时，可防止气罐中的压缩空气回流 到空压机。单向阀还常与节流阀、顺序阀等组合成单向节流阀、单向顺序阀使用。

(单向阀)止回阀用途广泛，有很多种类，下面说的是供水和热力常用的止回阀：

1、弹簧式：液体由下而上，依靠压力顶起弹簧控制的阀瓣，压力消失后，弹簧力将阀瓣压下，封闭液体倒流。常用于通径较小的止回阀。

2、重力式：和弹簧式相似，依靠阀瓣的自身重力封闭，防止倒流。

3、旋启式：液体在阀体内直通，依靠压力顶开一侧的旋转阀瓣，压力失去后，阀瓣依靠自重回位，反向的液体压力封闭阀瓣。

4.塑料隔膜式: 外壳和隔膜均为塑料.一般外壳为ABS,PE,PP,NYLON, PC.隔膜有硅树脂,氟树脂等。

其它的单向阀（止回阀），如排污的止回阀，人防的防爆阀和液体使用的止回阀的原理是大同小异。

液压机（又名：油压机）液压机是一种利用液体静压力来加工金属、塑料、橡胶、木材、粉末等制品的机械。它常用于压制工艺和压制成形工艺，如：锻压、冲压、冷挤、校直、弯曲、翻边、薄板拉深、粉末冶金、压装等等。

它的原理是利用帕斯卡定律制成的利用液体压强传动的机械，种类很多。当然，用途也根据需要是多种多样的。如按传递压强的液体种类来分，有油压机和水压机两大类。

液压机单向阀型号

力士乐REXROTH管式单向阀S6…S30 A..-1X/...

R901454057 S10A00-1X/450J3

R901454175 S10A00-1X/450J3/12

R901454058 S10A02-1X/450J3

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R901424189 S10A05-1X/450J3

R901456430 S10A05-1X/450J3B00

R901454644 S10A05-1X/450J3B08

R901454645 S10A05-1X/450J3B15

R901449002 S10A05-1X/450J3/12

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R901454063 S13A00-1X/450J3

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R901454064 S13A05-1X/450J3B00

R901454180 S13A05-1X/450J3/12

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R901454182 S13A15-1X/450J3/12

R901454067 S13A30-1X/450J3

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R901454069 S13A50-1X/450J3

R901454184 S13A50-1X/450J3/12

R901454070 S20A00-1X/450J3

R901454185 S20A00-1X/450J3/12

R901444093 S20A02-1X/450J3

R901454071 S20A02-1X/450J3/12

R901424190 S20A05-1X/450J3

R901456431 S20A05-1X/450J3B00

R901451454 S20A05-1X/450J3B15/12

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R901454186 S20A15-1X/450J3/12

R901451714 S20A30-1X/450J3

R901454075 S20A30-1X/450J3/12

R901454076 S20A50-1X/450J3

R901454187 S20A50-1X/450J3/12

R901454077 S23A00-1X/420J3

R901454188 S23A00-1X/420J3/12

R901454078 S23A02-1X/420J3

R901454189 S23A02-1X/420J3/12

R901454079 S23A05-1X/420J3

R901454190 S23A05-1X/420J3/12

R901454080 S23A15-1X/420J3

R901454646 S23A15-1X/420J3B10

R901454191 S23A15-1X/420J3/12

R901454081 S23A30-1X/420J3

R901454192 S23A30-1X/420J3/12

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R901454647 S23A50-1X/420J3B00

R901454193 S23A50-1X/420J3/12

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R901454086 S30A00-1X/420J3

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R901456599 S30A05-1X/420J3B00

R901461534 S30A05-1X/420J3B10

R901454196 S30A05-1X/420J3/12

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R901454198 S30A30-1X/420J3/12

R901454094 S30A50-1X/420J3

R901454199 S30A50-1X/420J3/12

R901454095 S30A80-1X/420J3

R901454043 S6A00-1X/450J3

R901454045 S6A02-1X/450J3

R901454046 S6A05-1X/450J3

R901454047 S6A15-1X/450J3

R901454048 S6A30-1X/450J3

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R901454050 S8A00-1X/450J3

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R901454055 S8A30-1X/450J3

R901454174 S8A30-1X/450J3/12

R901454056 S8A50-1X/450J3

力士乐REXROTH截止阀S52...S150

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R900536870 S102F1-1X//12

R900461432 S102F1-1X//5

R900468632 S102F1-1X/ SO6

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R900345561 S52F0-1X/5 SO6

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R900451716 S52F1-1X/ SO6

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R900759680 S62F1-1X//12

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R900400399 S82F3-1X/5

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R900730560 S150F1-1X/

R901145845 S150F1-1X/V

力士乐REXROTH插装式单向阀M-SR 6...30

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R900301891 M-SR10KD05-1X/

R900440016 M-SR10KD05-1X/B12

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R900365223 M-SR10KD50-1X/

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R900348632 M-SR10KE05-1X/V

R901319215 M-SR10KE05-1X=

R901339055 M-SR10KE05-1X=V

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R900422425 M-SR10KE15-1X/V

R900962882 M-SR10KE15-1X/V

R900346936 M-SR10KE30-1X/

R900382015 M-SR10KE30-1X/V

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R900362864 M-SR15KD05-1X/SO56

R900384870 M-SR15KD05-1X/SO72

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R900573554 M-SR15KD50-1X/B08

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R900348943 M-SR15KE02-1X/

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R901351241 M-SR15KE02-1X=

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R901341380 M-SR15KE05-1X=

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R900409567 M-SR15KE15-1X/SO8

R900387662 M-SR15KE15-1X/V

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R901348955 M-SR15KE30-1X=

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R900472648 M-SR30KE05-1X/SO281

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R901324296 M-SR30KE05-1X=

R901432895 M-SR30KE120-1X/

R901335698 M-SR30KE120-1X/SO28

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R900582721 M-SR8KD05-1X/B06

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R900465956 M-SR8KD05-1X/B10

R900484830 M-SR8KD05-1X/B12

R900512017 M-SR8KD05-1X/B14

R900395968 M-SR8KD05-1X/B15

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R901281004 M-SR8KE02-1X=

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R900477349 M-SR8KE05-1X/VSO11

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R901340 M-SR8KE15-1X=

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R978917682 M-SR10KE05-1X/SO43A-1703

R978917686 M-SR10KE05-1X/VSO43A-1703

R978917683 M-SR10KE15-1X/SO43A-1703

R978917687 M-SR10KE15-1X/VSO43A-1703

R978917684 M-SR10KE30-1X/SO43A-1703

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R978917685 M-SR10KE50-1X/SO43A-1703

R978917689 M-SR10KE50-1X/VSO43A-1703

R978913656 M-SR15KE05-1X/SO43A-1193

R978917690 M-SR15KE05-1X/SO43A-1703

R978917694 M-SR15KE05-1X/VSO43A-1703

R978917691 M-SR15KE15-1X/SO43-1703

R978917695 M-SR15KE15-1X/VSO43A-1703

R978917692 M-SR15KE30-1X/SO43A-1703

R978917696 M-SR15KE30-1X/VSO43A-1703

R978917693 M-SR15KE50-1X/SO43A-1703

R978917697 M-SR15KE50-1X/VSO43A-1703

R978870139 M-SR20KE05-1X/SO43A-1132

R978917698 M-SR20KE05-1X/SO43A-1703

R978917702 M-SR20KE05-1X/VSO43A-1703

R978917699 M-SR20KE15-1X/SO43A-1703

R978917703 M-SR20KE15-1X/VSO43A-1703

R978917700 M-SR20KE30-1X/SO43A-1703

R978917704 M-SR20KE30-1X/VSO43A-1703

R978917701 M-SR20KE50-1X/SO43A-1703

R978917705 M-SR20KE50-1X/VSO43A-1703

R978005975 M-SR25KE00-1X/SO43A-1703

R978917706 M-SR25KE05-1X/SO43A-1703

R978917710 M-SR25KE05-1X/VSO43A-1703

R978917707 M-SR25KE15-1X/SO43A-1703

R978917711 M-SR25KE15-1X/VSO43A-1703

R978917708 M-SR25KE30-1X/SO43A-1703

R978917712 M-SR25KE30-1X/VSO43A-1703

R978917709 M-SR25KE50-1X/SO43A-1703

R978917713 M-SR25KE50-1X/VSO43A-1703

R978917714 M-SR30KE05-1X/SO43A-1703

R978917718 M-SR30KE05-1X/VSO43A-1703

R978917715 M-SR30KE15-1X/SO43A-1703

R978917719 M-SR30KE15-1X/VSO43A-1703

R978917716 M-SR30KE30-1X/SO43A-1703

R978917720 M-SR30KE30-1X/VSO43A-1703

R978917717 M-SR30KE50-1X/SO43A-1703

R978917721 M-SR30KE50-1X/VSO43A-1703

R987116692 M-SR8KD02-1X/V

R978892073 M-SR8KE05-1X/SO43A-1318

R978917674 M-SR8KE05-1X/SO43A-1703

R978917678 M-SR8KE05-1X/VSO43A-1703

R978917675 M-SR8KE15-1X/SO43A-1703

R978917679 M-SR8KE15-1X/VSO43A-1703

R978917676 M-SR8KE30-1X/SO43A-1703

R978917680 M-SR8KE30-1X/VSO43A-1703

R978917677 M-SR8KE50-1X/SO43A-1703

R978917677 M-SR8KE50-1X/SO43A-1703

R978917681 M-SR8KE50-1X/VSO43A-1703

力士乐REXROTH止回阀安装装置M-SR 52...150

R900306403 M-SR102KD00-1X/

R900306441 M-SR102KD00-1X/V

R900306409 M-SR102KD05-1X/

R900306447 M-SR102KD05-1X/V

R900306415 M-SR102KD15-1X/

R900306453 M-SR102KD15-1X/V

R900700382 M-SR102KD30-1X/

R901131741 M-SR102KD30-1X/V

R900381566 M-SR102KE05-1X/

R900306422 M-SR102KE00-1X/

R900306460 M-SR102KE00-1X/V

R900306428 M-SR102KE05-1X/

R900306466 M-SR102KE05-1X/V

R900306434 M-SR102KE15-1X/

R900306472 M-SR102KE15-1X/V

R901204285 M-SR102KE30-1X

R900306404 M-SR125KD00-1X/

R900306442 M-SR125KD00-1X/V

R900306410 M-SR125KD05-1X/

R900306448 M-SR125KD05-1X/V

R901078689 M-SR125KD30-1X/SO31

R900306423 M-SR125KE00-1X/

R900306461 M-SR125KE00-1X/V

R900306429 M-SR125KE05-1X/

R900306467 M-SR125KE05-1X/V

R900306405 M-SR150KD00-1X/

R900306443 M-SR150KD00-1X/V

R900306411 M-SR150KD05-1X/

R900306449 M-SR150KD05-1X/V

R900306424 M-SR150KE00-1X/

R900306462 M-SR150KE00-1X/V

R900306430 M-SR150KE05-1X/

R900306468 M-SR150KE05-1X/V

R900306400 M-SR52KD00-1X/

R900306438 M-SR52KD00-1X/V

R900306406 M-SR52KD05-1X/

R900306444 M-SR52KD05-1X/V

R900306412 M-SR52KD15-1X/

R900306450 M-SR52KD15-1X/V

R900306416 M-SR52KD30-1X/

R900306454 M-SR52KD30-1X/V

R900382324 M-SR52KE05-1X/

R900381 M-SR52KE15-1X/

R900306746 M-SR52KE00-1X/

R900306747 M-SR52KE00-1X/V

R900386684 M-SR52KE02-1X/

R901088957 M-SR52KE02-1X/V

R900306740 M-SR52KE05-1X/

R901064071 M-SR52KE05-1X/SO27

R900306743 M-SR52KE05-1X/V

R900306741 M-SR52KE15-1X/

R900306744 M-SR52KE15-1X/V

R900306742 M-SR52KE30-1X/

R900306745 M-SR52KE30-1X/V

R900306401 M-SR62KD00-1X/

R900306439 M-SR62KD00-1X/V

R900306407 M-SR62KD05-1X/

R900306445 M-SR62KD05-1X/V

R900306413 M-SR62KD15-1X/

R900306451 M-SR62KD15-1X/V

R900306417 M-SR62KD30-1X/

R900306455 M-SR62KD30-1X/V

R900381565 M-SR62KE00-1X/

R900381766 M-SR62KE05-1X/

R900306420 M-SR62KE00-1X/

R900306458 M-SR62KE00-1X/V

R900386685 M-SR62KE02-1X/

R900306426 M-SR62KE05-1X/

R900306464 M-SR62KE05-1X/V

R900306432 M-SR62KE15-1X/

R900306470 M-SR62KE15-1X/V

R900306436 M-SR62KE30-1X/

R900306474 M-SR62KE30-1X/V

R900306402 M-SR82KD00-1X/

R900306440 M-SR82KD00-1X/V

R900306408 M-SR82KD05-1X/

R900306446 M-SR82KD05-1X/V

R900306414 M-SR82KD15-1X/

R900306452 M-SR82KD15-1X/V

R900306418 M-SR82KD30-1X/

R900306456 M-SR82KD30-1X/V

R900381713 M-SR82KE00-1X/

R900306421 M-SR82KE00-1X/

R900306459 M-SR82KE00-1X/V

R900306427 M-SR82KE05-1X/

R900361690 M-SR82KE05-1X/SO5

R900306465 M-SR82KE05-1X/V

R900306433 M-SR82KE15-1X/

R900306471 M-SR82KE15-1X/V

R900306437 M-SR82KE30-1X/

R900306475 M-SR82KE30-1X/V

力士乐REXROTH叠加式液控单向阀Z2S 6

电磁线圈是通电产生电磁的一种装置。在铁芯的外部缠绕与其功率相匹配的导电绕组，这种通有电流的线圈像磁铁一样具有磁性，它也叫做电磁铁（electromagnet）。我们通常把它制成条形或蹄形状，以使铁芯更加容易磁化。另外，为了使电磁铁断电立即消磁，我们往往采用消磁较快的的软铁或硅钢材料来制做。这样的电磁铁在通电时有磁性，断电后磁就随之消失。