Rexroth截止閥，力士樂DA(W)型壓力截止閥，力士樂DA(W)型的壓力閥是一種先導(dǎo)式壓力截止閥，常用于蓄能器充液油路。在此應(yīng)用中，將會填充蓄能器，直至達到儲蓄的充液壓力。達到蓄能器壓力時，閥會切換減壓油路中的排量，直到液壓系統(tǒng)中的壓力下降量為切換壓差。然后充液過程重新開始。壓力截止閥基本上包括主殼體（1），先導(dǎo)控制閥（2 和 3），主閥心（4）和單向閥（7）。
– 使泵流量從 'P 依次轉(zhuǎn)向 A'，'P，T'。泵通過單向閥（7）將流量排入液壓系統(tǒng)（P 到 A）。施加于油口 A 的壓力通過控制油路（8）作用于先導(dǎo)控制閥（3） 中的控制柱塞。同時，油口 P 所受的壓力經(jīng)節(jié)流子（5）作用于主閥芯（4）的彈簧負載側(cè)，經(jīng)控制油路（9）作用于插裝閥（3）的輸入端（11）。只要液壓系統(tǒng)中達到通過調(diào)節(jié)螺桿（12）在插裝閥（3）設(shè)定的上限截止壓力，插裝閥將在 T（類型 DA ...）后從內(nèi)部朝回油管路（10）打開主閥芯 （4）彈簧負載側(cè)的連接，或?qū)椈韶撦d側(cè)壓力通過油口經(jīng) Y（類型 DA ... Y）外部泄壓。由于節(jié)流子（5）的緣故，壓降發(fā)生于主閥芯（4）。閥芯然后從其閥座提升，并打開 P 到 T 的連接。單向閥（7）將會關(guān)閉 P 到 A 的連接。負載壓力 A 將插裝閥（3）固定在打開的位置。 
– 使泵流量從 'P 依次轉(zhuǎn)向 T'，'P，A'。如果負載壓力 A 已降至在調(diào)節(jié)螺釘（14）設(shè)定的壓力值，插 裝閥（3）將切換到初始位置，并關(guān)閉主閥芯（4）彈簧負載 側(cè)與回油管路（10）之間的連接。結(jié)果，主閥芯（4）彈簧負載側(cè)的壓力將會增加，并通過壓縮彈簧（6）使 P 到 T 的連接關(guān)閉。此時，泵再次通過單向閥（7）將流量排入液壓 系統(tǒng)（P 到 A）。 型號 "FSB07" 通過此閥門，控制油路（11）中集成了用于衰減潛在換向沖擊 的節(jié)流子。這不可避免地會導(dǎo)致增大油路壓力（P 到 T），請 參閱第 10 頁的特性曲線。 注意事項！ – 僅有間接溢流功能： 用于限制系統(tǒng)壓力壓力（朝向油箱）的溢流功能不能直接作 用，而只能通過單向閥（7），控制油路（8）和朝向油口 T 的先導(dǎo)控制閥（2）間接作用。 – 切換壓差的調(diào)整：在工廠中，這些閥門設(shè)定為額定壓力大約 10 % 到 12 % 的切 換壓差。zui多可以調(diào)整額定壓力的 50 %。閥在出廠時調(diào)節(jié)螺 桿向外伸出，并且設(shè)定為zui小可調(diào)上限切換壓力。上限切換壓 力可以通過縮回轉(zhuǎn)動調(diào)節(jié)螺桿（12）來增大。調(diào)節(jié)螺釘（14） 用于改變切換壓差：向外伸出 -減小，向內(nèi)縮回 - 增大。壓力 調(diào)節(jié)通過夾緊螺釘（13）和鎖緊螺母（15）來固定。 – 根據(jù)系統(tǒng)條件（特別是對于高 壓泵和負載流量），切換壓差 值可能高于特性曲線所示的 值。對于這些情況，閥門可用 于使切換壓差適合于系統(tǒng)。 力士樂壓力截止閥類型 DA（W）C 30 …FS… 此閥包括先導(dǎo)控制殼體（2），作為先導(dǎo)控制單元的插裝閥（3） 以及主閥心（4）。 力士樂壓力截止閥類型 DA（W）C …10/17... 此閥包括先導(dǎo)控制閥（2）及可選的主閥芯（4）。 
關(guān)于 DAC... 類型油路配置的注意事項 – 負載（A），泵（P）和油箱（T）所需的連接；必要的控制 油路（8）和（10）；以及必要的單向閥（7），均未包含 在交付范圍內(nèi)。這些組件必須根據(jù)規(guī)格和流量進行相應(yīng)的設(shè) 計。連接在設(shè)計時必須具有充分的剖面，且其排列方式不能 阻礙它們。 – 尺寸適當(dāng)?shù)膯蜗蜷y必須集成于負載（A）與泵（P）之間，其 流量特性必須等于或優(yōu)于第 12 頁的特性曲線所示的特性。 力士樂壓力截止閥，Rexroth先導(dǎo)式截止閥，力士樂DA(W)先導(dǎo)式壓力截止閥的型號及訂貨號： R901213260 DAW10A1-5X/50-10-6EG24N9K4 R901162214 DAW10A1-5X/200-10-6EG24N9K4
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R900772906 DAWC30B2-5X/315-17-6EG24N9K4 R901120386 DAWC30B2-5X/315-17Y6EG24N9K4
R901174814 DAWC30B3-5X/100-17-6EG24N9K4 Rexroth壓力截止閥DA系列 R900742930 DA10-1-5X/50-10、R900551640 DA10-1-5X/50-17、R900958395 DA10-1-5X/50-17Y 、R900926229 DA10-1-5X/100-10、R900555658 DA10-1-5X/100-10Y、R900500650 DA10-1-5X/100-17、R900500480 DA10-1-5X/100-17Y、R901011277 DA10-1-5X/200-10、R900570967 DA10-1-5X/200-10Y、R900599453 DA10-1-5X/200-17、R900599979 DA10-1-5X/200-17Y、R900948351 DA10-1-5X/315-10、R901059701 DA10-1-5X/315-10V、R900519891 DA10-1-5X/315-10Y、R900505050 DA10-1-5X/315-17、R901016565 DA10-1-5X/315-17V、R900503486 DA10-1-5X/315-17Y、R900951672 DA10-1-5X/315-17YV、R900507095 DA10-2-5X/50-10、R900951908 DA10-2-5X/50-10Y、R900562925 DA10-2-5X/50-17、R900533383 DA10-2-5X/50-17Y、R900597976 DA10-2-5X/100-10、R900521127 DA10-2-5X/100-10Y、R900597357 DA10-2-5X/100-17、R900597290 DA10-2-5X/100-17V、R900597504 DAW-2-5X/100-17Y、R900500005 DA10-2-5X/100-17YV、R900504453 DA10-2-5X/200-10、R900746481 DA10-2-5X/200-10V、R900597118 DA10-2-5X/200-10Y、R900597015 DA10-2-5X/200-17、R900917909 DA10-2-5X/200-17V、R900597016 DA10-2-5X/200-17Y、R987253258 DA10-2-5X/200-17YV、
R900596908 DA10-2-5X/315-10、R900950226、DA10-2-5X/315-10V R900598275、DA10-2-5X/315-10Y、R900702698 DA10-2-5X/315-10YV 、R900596762 DA10-2-5X/315-17Y、R900957509 DA10-3-5X/50-10、R900551092 DA10-3-5X/50-17、R900945274 DA10-3-5X/100-10、R900523909 DA10-3-5X/100-10Y、R900515881 DA10-3-5X/100-17、R900501040 DA10-3-5X/100-17Y、R900525700 DA10-3-5X/200-10、R900528302 DA10-3-5X/200-10Y、R900501819 DA10-3-5X/200-17、R900518689 DA10-3-5X/200-17Y、R900779831 DA10-3-5X/315-10、R900563379 DA10-3-5X/315-10Y、R900503840 DA10-3-5X/315-17、R900504641 DA10-3-5X/315-17Y、R901141564 DA10-7-5X/100-10、R900510443 DA10-7-5X/100-17、R901106508 DA10-7-5X/200-10、R900929907 DA10-7-5X/200-10Y、R900559994 DA10-7-5X/315-17、R900572008 DA20-1-5X/50-17Y、R900507589 DA20-1-5X/100-10、R900534710 DA20-1-5X/100-10Y、R900598619 DA20-1-5X/100-17、R900757899 DA20-1-5X/100-17V、R900598744 DA20-1-5X/100-17Y、R900907086 DA20-1-5X/200-10、
R900597612 DA20-1-5X/200-10Y、R900573234 DA20-1-5X/200-10YV、R900503335 DA20-1-5X/200-17、R900938625 DA20-1-5X/200-17V、R900596630 DA20-1-5X/200-17Y、R900780056 DA20-1-5X/315-10、R900511366 DA20-1-5X/315-10V、R900716439 DA20-1-5X/315-10Y、R900594108 DA20-1-5X/315-17、R900500655 DA20-1-5X/315-17V、R900598535 DA20-1-5X/315-17Y、R900529158 DA20-2-5X/50-10、R900935308 DA20-2-5X/50-17、R900576988 DA20-2-5X/50-17Y、R900597959 DA20-2-5X/100-10、R900501020 DA20-2-5X/100-10Y、R900939819 DA20-2-5X/100-10YV、R900596761 DA20-2-5X/100-17、R900597271 DA20-2-5X/100-17Y、R900509466 DA20-2-5X/200-10、R900598100 DA20-2-5X/200-10Y、
R900597135 DA20-2-5X/200-17、R900507180 DA20-2-5X/200-17V、R900597500 DA20-2-5X/200-17Y、R900500580 DA20-2-5X/315-10、R900511362 DA20-2-5X/315-10V、R900509554 DA20-2-5X/315-10Y、R900590621 DA20-2-5X/315-17、R900535272 DA20-2-5X/315-17V、R900596751 DA20-2-5X/315-17Y、R900910121 DA20-3-5X/50-10Y、R900734484 DA20-3-5X/50-17、R900617103 DA20-3-5X/50-17V、R900571716 DA20-3-5X/100-10Y、R900503084 DA20-3-5X/100-17、R900500495 DA20-3-5X/100-17V、R900500991 DA20-3-5X/100-17Y、R900921044 DA20-3-5X/200-10、R900532616 DA20-3-5X/200-10Y、R900945463 DA20-3-5X/200-10YV、R900599121 DA20-3-5X/200-17、R900723726 DA20-3-5X/200-17V、R900907087 DA20-3-5X/200-17Y、R900511237 DA20-3-5X/200-17YV、R901151794 DA20-3-5X/315-10、R900957696 DA20-3-5X/315-10Y、R900502103 DA20-3-5X/315-17、R900919188 DA20-7-5X/100-10、
R900727209 DA20-7-5X/200-10Y、R900503730 DA30-1-5X/50-17Y、R900617686 DA30-1-5X/100-10、R900528843 DA30-1-5X/100-17、R900598053 DA30-1-5X/100-17Y、R901085559 DA30-1-5X/200-10、R900599704 DA30-1-5X/200-17、R900598376 DA30-1-5X/200-17Y、R900715108 DA30-1-5X/315-10Y、R900500473 DA30-1-5X/315-17、R901058572 DA30-1-5X/315-17V、R900598967 DA30-1-5X/315-17Y、R900245529 DA30-2-5X/50-10、R900552088 DA30-2-5X/50-10Y、R900549825 DA30-2-5X/50-17、R900506919 DA30-2-5X/50-17Y 、R900784967 DA30-2-5X/50-17YV、R900909951 DA30-2-5X/100-10Y、R900500791 DA30-2-5X/100-17、R900596830 DA30-2-5X/100-17Y、R900519174 DA30-2-5X/200-10、R901046802 DA30-2-5X/200-10V、R900597119 DA30-2-5X/200-10Y、R900501857 DA30-2-5X/200-17
R900507010 DA30-2-5X/200-17Y、R900787850 DA30-2-5X/200-17YV、R901022545 DA30-2-5X/315-10、R900903678 DA30-2-5X/315-10Y、R900503396 DA30-2-5X/315-17、R900505620 DA30-2-5X/315-17Y、R900570424 DA30-3-5X/100-10Y、R900549649 DA30-3-5X/100-17、R900513582 DA30-3-5X/100-17Y、R901235894 DA30-3-5X/200-10、R900907815 DA30-3-5X/200-10Y、R901093994 DA30-3-5X/200-17、R900712939 DA30-3-5X/200-17Y、R900551643 DA30-3-5X/315-17、R900563506 DAC1-5X/50-17Y、R900597813 DAC1-5X/100-17Y、R900944341 DAC1-5X/200-10、R900597552 DAC1-5X/200-10Y、R900518827 DAC1-5X/200-17、R900513499 DAC1-5X/200-17Y、R900524135 DAC1-5X/315-10、R900502173 DAC1-5X/315-17、R900598534 DAC1-5X/315-17Y、R900903681 DAC2-5X/50-10Y、R900903680 DAC2-5X/50-17Y、R900523681 DAC2-5X/100-10、R900903679 DAC2-5X/100-10Y、R900502462 DAC2-5X/100-17、R900529919 DAC2-5X/100-17Y、R900503635 DAC2-5X/200-10、R900520225 DAC2-5X/200-10Y、R900597205 DAC2-5X/200-17、R900502644 DAC2-5X/200-17V、R900505759 DAC2-5X/200-17Y、R900599082 DAC2-5X/315-10、R900520302 DAC2-5X/315-10V、R900597953 DAC2-5X/315-17、R900520301 DAC2-5X/315-17、R900598099 DAC2-5X/315-17Y、R900944277 DAC3-5X/200-10、R900598616 DAC3-5X/200-17、R900514423 DAC3-5X/315-17、R900509286 DAC30-1-5X/200-10、R901093146 DAC30-1-5X/200-10Y、R900597879 DAC30-1-5X/200-17、R900918629 DAC30-1-5X/200-17Y、R900596611 DAC30-1-5X/315-17、R900509557 DAC30-1-5X/315-17Y、R901007242 DAC30-2-5X/50-10、R900763492 DAC30-2-5X/50-10Y、R900597316 DAC30-2-5X/100-10、R900573413 DAC30-2-5X/100-10Y、R900519936 DAC30-2-5X/100-10YV、R900507744DAC30-2-5X/100-17、R900514940 DAC30-2-5X/100-17VR900515058 DAC30-2-5X/100-17Y、R900537730 DAC30-2-5X/200-10、R900943756 DAC30-2-5X/200-10V、R900597120 DAC30-2-5X/200-10Y、R900597541 DAC30-2-5X/200-17、R900505541 DAC30-2-5X/200-17Y、R900546348 DAC30-2-5X/200-17YV、R900513800DAC30-2-5X/315-10、R900969706 DAC30-2-5X/315-10V、R900598452 DAC30-2-5X/315-17、R900597611 DAC30-2-5X/315-17Y
R900515856 DAC30-3-5X/50-17YV、R900247867 DAC30-3-5X/100-17、R900557717 DAC30-3-5X/200-17V、R900958955 DAC30-3-5X/315-17 Rexroth力士樂DA(W)型先導(dǎo)式壓力截止閥的結(jié)構(gòu)基本上包括主殼體，先導(dǎo)控制閥， 主閥心和單向閥。力士樂DA(W)型先導(dǎo)式壓力截止閥的zui大工作壓力315 bar和zui大流量 400 l/min。力士樂DA(W)型先導(dǎo)式壓力截止閥的特點：用于底板安裝；作為安裝閥； 4種調(diào)整類型，可選：旋鈕、帶保護帽的調(diào)節(jié)螺釘、帶刻度可鎖定旋鈕、帶刻度旋鈕；4 個壓力等級； 通過內(nèi)置方向滑閥的電磁線圈操作卸載。 力士樂壓力截止閥，Rexroth先導(dǎo)式截止閥，Rexroth截止閥，力士樂DA(W)型壓力截止閥 |
