上海韋米機電設備有限公司

Z2FS6-2-4X/2QV單向閥結構 德國博世力士樂REXROTH單向閥 單向電磁閥 原裝現(xiàn)貨

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Z2FS6-2-4X/2QV單向閥結構

單向閥是氣流只能一個方向流動而不能反向流動的方向控制閥。其工作原理與液壓單向閥一樣。壓縮空氣從P口進入，克服彈簧力和摩擦力使單向閥閥口開啟，壓縮空氣從P流至A；當P口無壓縮空氣時，在彈簧力和A口(腔)余氣力作用下；閥口處于關閉狀 態(tài)，使從A至P氣流不通。單向閥應用于不允許氣流反向流動的場合，如空壓機向氣罐充氣 時，在空壓機與氣罐之間設置一單向閥，當空壓機停止工作時，可防止氣罐中的壓縮空氣回流 到空壓機。單向閥還常與節(jié)流閥、順序閥等組合成單向節(jié)流閥、單向順序閥使用。

(單向閥)止回閥用途廣泛，有很多種類，下面說的是供水和熱力常用的止回閥：

1、彈簧式：液體由下而上，依靠壓力頂起彈簧控制的閥瓣，壓力消失后，彈簧力將閥瓣壓下，封閉液體倒流。常用于通徑較小的止回閥。

2、重力式：和彈簧式相似，依靠閥瓣的自身重力封閉，防止倒流。

3、旋啟式：液體在閥體內直通，依靠壓力頂開一側的旋轉閥瓣，壓力失去后，閥瓣依靠自重回位，反向的液體壓力封閉閥瓣。

4.塑料隔膜式: 外殼和隔膜均為塑料.一般外殼為ABS,PE,PP,NYLON, PC.隔膜有硅樹脂,氟樹脂等。

其它的單向閥（止回閥），如排污的止回閥，人防的防爆閥和液體使用的止回閥的原理是大同小異。

結構分析

Z2FS16型閥是疊加式設計的雙路單向節(jié)流閥。該閥用于限制來自一個或兩個工作油口的主流量或控制流量。

兩個對稱設置的單向節(jié)流閥在一個方向上限定流量,(通過調整節(jié)流閥芯),在相反方向上允許自由流通。用于進口節(jié)流控制時, 油液從油口A流經(jīng)節(jié)流口( 1 )到達工作油口。節(jié)流閥芯( 4.1 )可借助于調節(jié)螺釘( 5 )進行軸向調整,從而可以設定節(jié)流口(1 )同時,油口A中的油液通經(jīng)道( 2 )到節(jié)流閥芯( 4.1 )的彈簧加載側(3 )產(chǎn)生的壓力與彈簧

共同作用,使節(jié)流閥芯( 4.1 )保持在節(jié)流位置,

油液從執(zhí)行器回流推動節(jié)流閥芯( 4.2 ),允許油液自由流過。此時閥作為單向閥工作。根據(jù)型號(S或S2 ),節(jié)流口可以起進口或出口節(jié)流的控制作用。限制主流量為了改變執(zhí)行器的速度(主流量限制),雙路單向節(jié)流閥是而安裝于方向控制閥和底板之間。限制控制流量對液控方向閥,雙路單向節(jié)流閥用作控制阻尼調節(jié),在此情況下,它被安裝于主閥和控制閥之間。

Z2FS6-2-4X/2QV單向閥結構型號

力士樂REXROTH雙節(jié)流單向閥，直接操作Z2FS 6...XC

R901246099 Z2FS6B2-4X/S-2QXCJV

R901346900 Z2FS6-2-4X/S-1QXCJ

R901151989 Z2FS6-2-4X/S-1QXCJV

R901420268 Z2FS6-2-4X/S-2QXCJ

R901152921 Z2FS6-2-4X/S-2QXCJV

R901242941 Z2FS6-2-4X/S2-1QXCJ

R901152947 Z2FS6-2-4X/S2-1QXCJV

R901343398 Z2FS6-2-4X/S2-2QXCJV

R901152926 Z2FS6A2-4X/S-1QXCJV

R901152937 Z2FS6A2-4X/S2-1QXCJV

R901246473 Z2FS6B2-4X/S2-1QXCJV

力士樂REXROTH雙節(jié)流單向閥Z2FS 6

R900441377 Z2FS6A2-4X/1Q

R900525895 Z2FS6A2-4X/1QMIL15

R900548876 Z2FS6A2-4X/1QSO700

R900931733 Z2FS6A2-4X/1QJ

R901435985 Z2FS6A2-4X/1QJ3/60

R901435990 Z2FS6A2-4X/1QJ3V/60

R901435987 Z2FS6A2-4X/1QJ5/60

R901435994 Z2FS6A2-4X/1QJ5V/60

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R900581526 Z2FS6A2-4X/1QV

R900427254 Z2FS6A2-4X/2Q

R901436013 Z2FS6A2-4X/2QJ3/60

R901436015 Z2FS6A2-4X/2QJ3V/60

R901436014 Z2FS6A2-4X/2QJ5/60

R901436016 Z2FS6A2-4X/2QJ5V/60

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R900439389 Z2FS6A2-4X/2QV

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R900558981 Z2FS6A2-4X/2QV=LB

R900466450 Z2FS6A3-4X/1Q

R900507951 Z2FS6A3-4X/1QV

R900502066 Z2FS6A3-4X/2QV

R900532275 Z2FS6A5-4X/1QV

R901443836 Z2FS6A5-4X/2Q

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R900710037 Z2FS6A7-4X/1Q

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R900967913 Z2FS6A7-4X/2Q

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R900464382 Z2FS6B2-4X/1Q

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R901436019 Z2FS6B2-4X/1QJ3V/60

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R901435951 Z2FS6-2-4X/1QJ5V/60

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R901435984 Z2FS6-2-4X/2QJ5V/60

R900444252 Z2FS6-2-4X/2QJV

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R900727967 Z2FS6-2-4X/2QV/60

R901110659 Z2FS6-2-4X/2QV/62

R900577051 Z2FS6-2-4X/2QV=LB

R900441679 Z2FS6-2-4X/SO61

R900371788 Z2FS6-2-4X/VSO61

R900576449 Z2FS6-2-4X=1Q=PL

R901222502 Z2FS6-2-4X=1QV

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R901418009 Z2FS6-3-4X/2QV/60

R900422430 Z2FS6-4X/V

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R901438380 Z2FS6-5-4X/1QV/60

R900505004 Z2FS6-5-4X/2Q

R900476838 Z2FS6-5-4X/2QV

R900438820 Z2FS6-7-4X/1Q

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R900442662 Z2FS6-7-4X/2Q

R900441810 Z2FS6-7-4X/2QV

R983032441 Z2FS6A5-4X/2QIN010

R983041723 Z2FS6B2-4X/1QVIN010

R983032426 Z2FS6-2-4X/1QIN010

R983032430 Z2FS6-2-4X/1QVIN010

R983032429 Z2FS6-2-4X/2QIN010

R983032428 Z2FS6-2-4X/2QVIN010

R983032440 Z2FS6-3-4X/1QVIN010

R983032438 Z2FS6-3-4X/2QVIN010

R983032437 Z2FS6-5-4X/1QVIN010

R983032431 Z2FS6-5-4X/2QVIN010

R983032436 Z2FS6-A2-4X/1QVIN010

R983032433 Z2FS6-A2-4X/2QVIN010

R983032432 Z2FS6-A5-4X/2QVIN010

R983032435 Z2FS6-B5-4X/2QVIN010

力士樂REXROTH單向節(jié)流閥Z2FS 10

R900989094 Z2FS10-3-3X/

R900523737 Z2FS10-3-3X/V

R983032448 Z2FS10-3-3X/VIN010

R900989095 Z2FS10-5-3X/

R901246286 Z2FS10-5-3X/J

R900536467 Z2FS10-5-3X/JV

R900537745 Z2FS10-5-3X/SO760

R900517812 Z2FS10-5-3X/V

R900080934 Z2FS10-5-3X/VSO450

R900051691 Z2FS10-5-3X/V=LB

R901427672 Z2FS10-5-3X=J3

R900072790 Z2FS10-5-3X=V

R900220059 Z2FS10-5-3X=V=PL

R900989096 Z2FS10-7-3X/

R900523926 Z2FS10-7-3X/V

R900989097 Z2FS10A3-3X/S

R900989098 Z2FS10A3-3X/S2

R900569858 Z2FS10A3-3X/S2V

R900524995 Z2FS10A3-3X/SV

R900215040 Z2FS10A5-3X/JV

R900989099 Z2FS10A5-3X/S

R900571890 Z2FS10A5-3X/S2

R900989100 Z2FS10A5-3X/S2

R900523578 Z2FS10A5-3X/S2V

R900517813 Z2FS10A5-3X/SV

R900989101 Z2FS10A7-3X/S

R900989102 Z2FS10A7-3X/S2

R900032241 Z2FS10A7-3X/S2V

R900526683 Z2FS10A7-3X/SV

R900989103 Z2FS10B3-3X/S

R900989104 Z2FS10B3-3X/S2

R900071261 Z2FS10B3-3X/S2V

R900057401 Z2FS10B3-3X/SV

R900989105 Z2FS10B5-3X/S

R900989106 Z2FS10B5-3X/S2

R900517814 Z2FS10B5-3X/S2V

R900520680 Z2FS10B5-3X/SV

R900989107 Z2FS10B7-3X/S

R900989108 Z2FS10B7-3X/S2

R900033142 Z2FS10B7-3X/S2V

R900562269 Z2FS10B7-3X/SV

R983032447 Z2FS107-3X/VIN010

R983032443 Z2FS10B5-3X/SVIN010

R978915815 Z2FS10-3-3X/VSO30

R983032449 Z2FS10-5-3XIN010

R983032442 Z2FS10-5-3X/VIN010

R983032445 Z2FS10-A5-3X/S2VIN010

R983040208 Z2FS10-A5-3X/SVIN010

R983032444 Z2FS10-A5-3X/VIN010

R983032446 Z2FS10-B5-3X/S2VIN010

力士樂REXROTH單向節(jié)流閥Z2FS 16

R900449754 Z2FS16-3X/

R900406113 Z2FS16-3X/J

R900411029 Z2FS16-3X/SSO30

R900485270 Z2FS16-3X/S/5

R900388243 Z2FS16-3X/S1

R900061072 Z2FS16-3X/S2SO30

R900485266 Z2FS16-3X/S2/5

R900519092 Z2FS16-3X/S2VSO68

R900328147 Z2FS16-3X/SJSO3

R900406344 Z2FS16-3X/V

R900459203 Z2FS16-8-3X/S

R900457256 Z2FS16-8-3X/S2

R900073408 Z2FS16-8-3X/S2=LB

R900476035 Z2FS16-8-3X/S2J

R901413310 Z2FS16-8-3X/S2J3

R901413311 Z2FS16-8-3X/S2J3V

R900417999 Z2FS16-8-3X/S2JV

R900473688 Z2FS16-8-3X/S2V

R900419300 Z2FS16-8-3X/SJ

R901413313 Z2FS16-8-3X/SJ3

R901413315 Z2FS16-8-3X/SJ3V

R901293907 Z2FS16-8-3X/SJV

R900470529 Z2FS16-8-3X/SV

R900073409 Z2FS16-8-3X/SV=LB

R900426851 Z2FS16A8-3X/S

R900348227 Z2FS16A8-3X/S2

R900591255 Z2FS16A8-3X/S2V

R900591254 Z2FS16A8-3X/SV

R900498950 Z2FS16B8-3X/S

R900498949 Z2FS16B8-3X/S2

R901400150 Z2FS16B8-3X/S2V

R971L20010 Z2FS16-3X/S

R971893672 Z2FS16-3X/S

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R971L20011 Z2FS16-3X/S2

R971L20038 Z2FS16-3X/S2V

R971894104 Z2FS16-3X/S2V

R978897151 Z2FS16-3X/SVSO43A-1410B

R971053346 Z2FS16-8-3X/SV

力士樂REXROTH單向節(jié)流閥Z2FS 22

R900449753 Z2FS22-3X/

R900485273 Z2FS22-3X/S/5

R900398238 Z2FS22-3X/S2SO60

R900485269 Z2FS22-3X/S2/5

R900474737 Z2FS22-3X/S2J

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R900488912 Z2FS22-3X/SJ

R900507948 Z2FS22-3X/SVSO62

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R900414243 Z2FS22-8-3X/S2SO8

R900468786 Z2FS22-8-3X/S2V

R900474580 Z2FS22-8-3X/SV

R900072643 Z2FS22-8-3X=S2

R901287213 Z2FS22A8-3X/S2V

R901339001 Z2FS22A8-3X/SV

R900595835 Z2FS22B8-3X/S

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R901272652 Z2FS22B8-3X/SV

R971893674 Z2FS22-3X/S

R971L20012 Z2FS22-3X/S

R971L20013 Z2FS22-3X/S2

R971893675 Z2FS22-3X/S2

R971L20042 Z2FS22-3X/SV

力士樂REXROTH節(jié)流閥Z1FG

R901268164 Z1FG6P8-4X/M

R901170487 Z1FG6P8-4X/V

力士樂REXROTH節(jié)流閥Z.FG

R900566445 Z1FG10A5-3X/V

R900538832 Z1FG10B5-3X/V

R901162976 Z1FG10P5-3X/V

R900052334 Z2FG10A3-3X/V

R900987000 Z2FG10-5-3X/V

力士樂REXROTH精細節(jié)流閥F

R900422784 F10G3-3X/0,2Q

R900422782 F10G3-3X/0,4Q

R900442629 F10G3-3X/1,2Q

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R900433391 F10G3-3X/25LV

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R900424303 F10K3-2X/10L

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R900538841 F10K3-2X/1Q

R900429978 F10K3-2X/25L

R900437805 F10K3-2X/25LSO130

R900442895 F10K3-2X/25LV

R900422788 F10K3-2X/25Q

R900581145 F10K3-2X/25QSO130

R900534289 F10K3-2X/25QJ

R900501099 F10K3-2X/25QVSO130

R900443373 F10K3-2X/2L

R900434290 F10K3-2X/50L

R900566714 F10K3-2X/50LV

R900433647 F10K3-2X/5L

R900453361 F10K3-2X/5LSO130

R900528439 F10K3-2X/5LSO277

R900067060 F10K3-2X/5LV

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R900534288 F10K3-2X/5QJ

R900445543 F10P3-3X/10L

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R900402099 F10P3-3X/10LV

R900445544 F10P3-3X/10Q

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R900386387 F10P3-3X/10QSO54

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R900583193 F10P3-3X/10QVSO450

R900465171 F10P3-3X/16L

R900461621 F10P3-3X/16LSO130

R900472123 F10P3-3X/16LV

R900459500 F10P3-3X/16Q

R900467432 F10P3-3X/16QSO130

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R900456473 F10P3-3X/1Q

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力士樂REXROTH雙向流量控制閥2FRM6A

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R900210352 2FRM6A76-3X/25QRV

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R900226906 2FRM6A76-3X/3QRV

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R900766443 2FRM6B76-3X/16QJMV

R900221021 2FRM6B76-3X/16QJRV

R900211156 2FRM6B76-3X/16QMMIL15

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R900205522 2FRM6B76-3X/16QRV

R900724606 2FRM6B76-3X/25QJMV

R900221368 2FRM6B76-3X/25QJRV

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R900221369 2FRM6B76-3X/32QJRV

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R900205527 2FRM6B76-3X/6QMV

R900205528 2FRM6B76-3X/6QRV

R901289015 2FRM6B76-3X=10QMV

R901298094 2FRM6B76-3X=25QMV

力士樂REXROTH雙向流量控制閥2FRM6SB

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R900758552 2FRM6SB76-3X/6QMV

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力士樂REXROTH二通流量控制閥2FRM

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R900336496 2FRM16-3X/100LB/5

R900387807 2FRM16-3X/160LSO150

R900498494 2FRM16-3X/160L/5

R900467731 2FRM16-3X/160LBSO150

R900336497 2FRM16-3X/160LB/5

R900458091 2FRM16-3X/16L

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R900453941 2FRM16-3X/16LB

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R900427525 2FRM16-3X/25LB

R900466077 2FRM16-3X/40LSO150

R900424887 2FRM10-3X/10L

R900464963 2FRM10-3X/10LSO130

R900414607 2FRM10-3X/10LSO169

R900598776 2FRM10-3X/10LSO200

R900466601 2FRM10-3X/10LSO50

R900490197 2FRM10-3X/10LSO70

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R900463375 2FRM10-3X/10LBSO130

R900400505 2FRM10-3X/10LBSO183

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R900391290 2FRM10-3X/10LJSO223

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R900599376 2FRM10-3X/10LVSO244

R900599377 2FRM10-3X/10LVSO245

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R900465767 2FRM10-3X/10QBW6

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R900423251 2FRM10-3X/16L

R900349387 2FRM10-3X/16LSO150

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R900461839 2FRM10-3X/16LSO63

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R900463596 2FRM10-3X/16LBSO128

R900475777 2FRM10-3X/16LBSO130

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R900457677 2FRM10-3X/16LBJSO199

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R900356599 2FRM10-3X/16LVSO130

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R900597354 2FRM10-3X/16QSO63

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R900384414 2FRM10-3X/25LSO150

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R900462670 2FRM10-3X/25LSO136

R900358332 2FRM10-3X/25LSO280

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R900414252 2FRM10-3X/25LSO97

R900380610 2FRM10-3X/25L/5

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R900362428 2FRM10-3X/25LBSO182

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R900479744 2FRM10-3X/25LVSO130

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R900424831 2FRM10-3X/2Q

R900410908 2FRM10-3X/2QSO130

R900438040 2FRM10-3X/2QB

R900991478 2FRM10-3X/2QEB

R900364203 2FRM10-3X/35L

R900331583 2FRM10-3X/35LSO97

R900455542 2FRM10-3X/35LB

R900497430 2FRM10-3X/35LBJ

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R900446174 2FRM10-3X/3Q

R900420286 2FRM10-3X/50L

R900479549 2FRM10-3X/50LSO150

減壓閥的是靠閥內流道對水流的局部阻力降低水壓，水壓降的范圍由連接閥瓣的薄膜或活塞兩側的進出口水壓差自動調節(jié)。定比減壓原理是利用閥體中浮動活塞的水壓比控制，進出口端減壓比與進出口側活塞面積比成反比。這種減壓閥工作平穩(wěn)無振動；閥體內無彈簧，故無彈簧銹蝕、金屬疲勞失效之慮；密封性能良好不滲漏，因而既減動壓（水流動時）又減靜壓（流量為0時）；特別是在減壓的同時不影響水流量。