R900411462 Z2DB10VD2-4X/315V

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按用途分為溢流閥、減壓閥和順序閥。(1)溢流閥：能控制液壓系統(tǒng)在達(dá)到調(diào)定壓力時(shí)保持恒定狀態(tài)。用於過(guò)載保護(hù)的溢流閥稱為閥。當(dāng)系統(tǒng)發(fā)生故障，

Z2DB先導(dǎo)式溢流閥(6、10通經(jīng)）

R900335764 Z2DB22VD2-2X/315

R900358222 Z2DB16VD2-2X/200

R900408156 Z2DB10VD2-4X/315

R900411312 Z2DB6VC2-4X/200V

R900411314 Z2DB6VD2-4X/200V

R900411315 Z2DB6VC2-4X/100V

R900411317 Z2DB6VD2-4X/100V

R900411318 Z2DB6VC2-4X/315V

R900411357 Z2DB6VD2-4X/315V

R900411358 Z2DB10VD2-4X/200V

R900411413 Z2DB10VD2-4X/100V

R900411430 Z2DB10VC2-4X/315V

R900411462 Z2DB10VD2-4X/315V

R900421937 Z2DB6VD2-4X/50V

壓力升高到可能造成破壞的限定值時(shí)，閥口會(huì)打開而溢流，以保證系統(tǒng)的。(2)減壓閥：能控制分支回路得到比主回路油壓低的穩(wěn)定壓力。減壓閥按它所控制的壓力功能不同，

R900422065 Z2DB6VD2-4X/100

R900422071 Z2DB10VC2-4X/100

R900422422 Z2DB6VD2-4X/200

R900425647 Z2DB6VC2-4X/315

R900425700 Z2DB10VC2-4X/100V

R900425928 Z2DB10VD2-4X/100

R900430550 Z2DB10VC2-4X/200

R900431828 Z2DB10VC2-4X/315

R900437272 Z2DB10VC1-4X/200V

R900440550 Z2DB10VD2-4X/200

R900441974 Z2DB10VC2-4X/50V

R900443479 Z2DB10VD1-4X/200V

R900463267 Z2DB6VD2-4X/50

R900479846 Z2DB10VD2-4X/50V

R900481501 Z2DB6VC2-4X/50V

R900496390 Z2DB10VC2-4X/200V

R900500691 Z2DB6VD3-4X/100V

R900500928 Z2DB10VD3-4X/200V

R900509096 Z2DB6VC3-4X/50V

R900514617 Z2DB6VC1-4X/200V

R900521130 Z2DB6VC1-4X/315V

R900523754 Z2DB6VC1-4X/100V

R900523755 Z2DB6VD1-4X/100V

R900523756 Z2DB10VD1-4X/315V

R900551706 Z2DB6VC7-4X/200V

R900569169 Z2DB6VD1-4X/200V

R900573006 Z2DB22VD3-2X/100

又可分為定值減壓閥(輸出壓力為恒定值)、定差減壓閥(輸入與輸出壓力差為定值)和定比減壓閥(輸入與輸出壓力間保持一定的比例)。(3)順序閥：能使一個(gè)執(zhí)行元件(如液壓缸、液壓馬達(dá)等)動(dòng)作以后，再按順序使其他執(zhí)行元件動(dòng)作。油泵產(chǎn)生的壓力先推動(dòng)液壓缸1運(yùn)動(dòng)，同時(shí)通過(guò)順序閥的進(jìn)油口作用在面積A 上，當(dāng)液壓缸1運(yùn)動(dòng)完全成后，壓力升高，作用在面積A 的向上推力大於彈簧的調(diào)定值后，閥芯上升使進(jìn)油口與出油口相通，使液壓缸2運(yùn)動(dòng)。流量控制閥利用調(diào)節(jié)閥芯和閥體間的節(jié)流口面積和它所產(chǎn)生的局部阻力對(duì)流量進(jìn)行調(diào)節(jié)，從而控制執(zhí)行元件的運(yùn)動(dòng)速度。

流量控制閥

R900500654 DA30-2-5X/100-17

R900500750 DA20-2-5X/200-17V

R900501156 DA20-2-5X/200-17Y

R900501261 DA20-2-5X/100-17Y

R900501759 DA30-1-5X/315-10Y

R900501857 DA30-2-5X/200-17

R900503335 DA20-1-5X/200-17

R900505038 DA10-2-5X/315-10

R900510450 DA30-2-5X/315-17

R900511435 DA20-2-5X/100-17

R900515881 DA10-3-5X/100-17

R900519174 DA30-2-5X/200-10

R900534371 DA30-2-5X/200-17

R900550017 DA20-2-5X/315-17

R900563179 DA10-2-5X/200-17

R900596630 DA20-1-5X/200-17Y

R900596830 DA30-2-5X/100-17Y

R900596908 DA10-2-5X/315-10

R900596998 DA10-2-5X/315-17

R900597015 DA10-2-5X/200-17

R900597016 DA10-2-5X/200-17Y

R900597118 DA10-2-5X/200-10Y

R900597119 DA30-2-5X/200-10Y

R900597135 DA20-2-5X/200-17

R900597500 DA20-2-5X/200-17Y

R900597597 DA10-1-5X/200-17Y

R900597599 DA10-1-5X/315-17

R900597764 DA20-2-5X/200-17YV

R900598037 DA20-2-5X/200-17

R900599741 DA10-2-5X/315-17

R900740745 DA10-2-5X/200-17Y

R900746481 DA10-2-5X/200-10V

R900781534 DA10-1-5X/315-17Y

R900941546 DA10-2-5X/315-17Y

R900948351 DA10-1-5X/315-10

R900957696 DA20-3-5X/315-10Y

R901175015 DA10-2-5X/100-17V

R978008424 DA10-2-5X/200-10Y

R978010174 DA30-2-5X/50-10

R978011730 DA10-2-5X/200-10

R978012493 DA30-2-5X/100-17Y

R978030273 DA10-2-5X/315-10YV

R978862145 DA10-2-5X/100-17

R978865640 DA20-2-5X/100-17V

R978865666 DA10-2-5X/100-10

R978868989 DA20-1-5X/200-17

R978871072 DA20-1-5X/200-17Y

R978872408 DA30-1-5X/315-17

R978898008 DA30-2-5X/50-17V

R978898564 DA20-1-5X/315-17

R978901340 DA10-1-5X/315-17YV

R978901377 DA20-1-5X/315-17YV

R978902561 DA20-2-5X/315-10

R978909187 DA20-1-5X/200-10Y

R978916947 DA20-2-5X/100-10V

按用途分為 5種。(1)節(jié)流閥：在調(diào)定節(jié)流口面積后，能使載荷壓力變化不大和運(yùn)動(dòng)均勻性要求不高的執(zhí)行元件的運(yùn)動(dòng)速度基本上保持穩(wěn)定。(2)調(diào)速閥：在載荷壓力變化時(shí)能保持節(jié)流閥的進(jìn)出口壓差為定值。這樣，在節(jié)流口面積調(diào)定以后，不論載荷壓力如何變化

R900245219 DAW30B2-5X/100-17-6EW110N9K4

R900618733 DAW20B2-5X/100-10-6EW110N9K4

R900728996 DAW20B2-5X/100-17Y6EG24N9K4

R900918091 DAW10B2-5X/200-10-6EG24N9K4

R900923156 DAW10B2-5X/200-17Y6EG24N9K4

R900926541 DAW20B2-5X/315-17-6EG24N9K4

R900927746 DAW20B2-5X/315-10Y6EG24N9K4

R900927838 DAW20B2-5X/315-17Y6EG24N9K4

R900928682 DAW20B2-5X/200-17Y6EG24N9K4

R900929086 DAW20B3-5X/100-17-6EG24N9K4

R900951459 DAW30B2-5X/315-17Y6EG24N9K4

R900953605 DAW30B3-5X/100-17-6EG24N9K4

R900955904 DAW10B2-5X/315-10-6EG24N9K4

R900958578 DAW10B2-5X/200-17-6EG24N9K4

R900964094 DAW30A2-5X/315-17-6EG24N9K4

LR901035097 DAW20B2-5X/