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        • 當前位置:上海韋米機電設備有限公司 > 產品中心 > 博世REXROTH力士樂液壓元件 > SL20PA2-42/V力士樂液控單向閥

          SL20PA2-42/V力士樂液控單向閥

          產品型號: SL20PA2-42/V
          品  牌: 力士樂REXROTH
          • 1-4 臺
            ¥2600.00
          • 5-9 臺
            ¥2500.00
          • ≧10 臺
            ¥2400.00
          所 在 地: 上海浦東新區
          更新日期: 2025-08-22
          詳細信息
           品牌:力士樂REXROTH  型號:SL20PA2-42/V  加工定制:否  
           適用介質:油品  壓力環境:常壓  標準:德標  
           材質:鑄鐵  連接形式:法蘭  外形:中型  
           流動方向:單向  零部件及配件:閥體  驅動方式:電磁  
           工作溫度:常溫  類型:先導式  形態:柱塞式  
          SL20PA2-42/V力士樂液控單向閥,德國REXROTH全新原裝進口單向閥,產品質量保證,現貨庫存,特價優勢優勢供應;
          上海韋米機電設備有限公司
          雷 青(Mr)     手機Cel: (微信號)
          電話Tel:  傳真Fax:
          微信QQ:--- 
          電郵E-mail?
          地址Add:上海市浦東新區金豫路100號禹洲金橋國際2期2號樓907室
          主營產品:
          液壓元件:柱塞泵、葉片泵、齒輪泵、馬達、截止閥、方向閥、減壓閥、流量控制閥、比例閥、伺服閥、插裝閥、電液換向閥、電磁閥、電磁球閥、蓄能器、放大版、壓力繼電器、壓力傳感器。
          氣動元件:氣動閥、閥島、閥組、電磁閥、換向閥、壓力調節閥、流量控制閥,止回閥、氣缸和驅動裝置、壓縮空氣氣源處理單元、真空技術、傳感器、氣動連接技術,電氣連接技術。
          電控伺服:伺服驅動器,伺服電機、PLC模塊、I/O模塊、框架模塊、電源模塊、數據接口模塊、鍵相位模塊、繼電器模塊、測速模塊、溫度模塊、顯示屏、傳感器、探頭、前置器、延伸電纜。

          液控單向閥是依靠控制流體壓力,可以使單向閥反向流通的閥。這種閥在煤礦機械的液壓支護設備中占有較重要的地位。液控單向閥與普通單向閥不同之處是多了一個控制油路K,當控制油路未接通壓力油液時,液控單向閥就象普通單向閥一樣工作,壓力油只從進油口流向出油口,不能反向流動。當控制油路油控制壓力輸入時,活塞頂桿在壓力油作用下向右移動,用頂桿頂開單向閥,使進出油口接通。若出油口大于進油口就能使油液反向流動。
           


          1、力士樂SV單向閥訂貨型號:SV20PA1-42/V
           

          2、力士樂SV單向閥功能圖:SV20PA1-42/V
           


          3、力士樂SV單向閥技術參數:SV20PA1-42/V
           


          4、力士樂SV單向閥元件尺寸:SV20PA1-42/V

           


          液控單向閥是方向控制閥中的一種。具體分類:
          方向控制閥按其在液壓系統中的功能分為單向閥和換向閥兩大類。
          單向閥在液壓傳動中有普通單向閥和液控單向閥。
          (1)保持壓力。
          滑閥式換向閥都有間隙泄漏現象,只能短時間保壓。當有保壓要求時,可在油路上加一個液控單向閥,利用錐閥關閉的嚴密性,使油路長時間保壓。
          (2)液壓缸的“支承”。
          在立式液壓缸中,由于滑閥和管的泄漏,在活塞和活塞桿的重力下,可能引起活塞和活塞桿下滑。將液控單向閥接于液壓缸下腔的油路,則可防止液壓缸活塞和滑塊等活動部分下滑。
          (3)實現液壓缸鎖緊。
          當換向閥處于中位時,兩個液控單向閥關閉,可嚴密封閉液壓缸兩腔的油液,這時活塞就不能因外力作用而產生移動。
          (4)大流量排油。
          液壓缸兩腔的有效工作面積相差很大。在活塞退回時,液壓缸右腔排油量驟然增大,此時若采用小流量的滑閥,會產生節流作用,限制活塞的后退速度;若加設液控單向閥,在液壓缸活塞后退時,控制壓力油將液控單向閥打開,便可以順利地將右腔油液排出。
          (5)作充油閥。
          立式液壓缸的活塞在高速下降過程中,因高壓油和自重的作用,致使下降迅速,產生吸空和負壓,必須增設補油裝置。液控單向閥作為充油閥使用,以完成補油功能。
          (6)組合成換向閥。
          在設計液壓回路時,有時可將液控單向閥組合成換向閥使用。例如:用兩個液控單向閥和一個單向閥并聯(單向閥居中),則相當于一個三位三通換向閥的換向回路。需要指出,控制壓力油油口不工作時,應使其通回油箱,否則控制活塞難以復位,單向閥反向不能截止液流。
          SL20PA2-42/V力士樂液控單向閥
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          R900504957 SL 10 PA3-4X/V
          SL20PA2-42/V力士樂液控單向閥

          基本的執行機構用于把閥門驅動至全開或全關的位置。用于控制閥的執行機構能夠精確的使閥門走到任何位置。盡管大部分執行機構都是用于開關閥門,但是如今的執行機構的設計遠遠超出了簡單的開關功能,它們包含了位置感應裝置,力矩感應裝置,電極保護裝置,邏輯控制裝置,數字通訊模塊及PID控制模塊等,而這些裝置全部安裝在一個緊湊的外殼內。
          SL20PA2-42/V力士樂液控單向閥
          R900504959 DB 20 G2-5X/50Y
          R900504961 Z4WH 10 E51-4X/
          R900504974 3DS2EH 10-2X/A2-140K8M
          R900504985 ZDR 10 DP2-5X/315YM SO4
          R900504989 4WHD 10 D3X/SO63
          R900505004 Z2FS 6-5-4X/2Q
          R900505018 DZ 10 DP2-4X/210X
          R900505050 DA 10-1-5X/315-17
          R900505052 DB 10-1-5X/200
          R900505068 DZ 10 DP2-4X/150YM
          R900505079 Z2DB 10 VD1-4X/100V
          R900505145 DBC 30-2-5X/315/12
          R900505152 Z2S 10A1-3X/V SO30
          R900505157 DB 10-3-5X/315X
          R900505166 Z4WH 6 E51-1X/
          R900505205 LC 80 DB40D6X/
          R900505248 DB 20-3-5X/350
          R900505256 4WE 10 Q3X/CW110N9K4
          R900505266 DR 20-4-5X/200Y
          R900505306 DB 30-2-5X/200XY
          R900505374 DB 10 G2-5X/315X
          R900505394 DZ 20-2-5X/100
          R900505446 LT 06-A06-3X/150B80/02M
          R900505516 5-4WMRC 10 D3X/SO122
          R900505541 DAC 30-2-5X/200-17Y
          R900505543 4WE 10 G3-3X/CG24N9K4
          R900505554 SV 30 PA4-4X/
          R900505570 5-4WE 10 D3X/CG24N9K4/A06
          R900505592 DR 10 DP1-4X/75Y SO82
          R900505620 DA 30-2-5X/315-17Y
          R900505625 DB 20 G1-5X/50
          R900505673 FD 16 KA2X/B00V
          R900505674 FD 16 FA2X/B06V
          R900505675 FD 16 FA2X/B04V
          R900505678 SV 10 PB4-4X/
          R900505720 DZ 20-2-5X/315M
          R900505743 4WS2EB10-4X/10B2ET140K8AM
          R900505759 DAC 2-5X/200-17Y
          R900505794 5-4WE 10 E20-3X/CG24N9K4/A07
          R900505807 SL 30 PB3-4X/
          R900505827 ZDB 10 VT2-4X/315V
          R900505843 DZ 10 DP2-4X/210XM
          R900505867 SL 25 GA1-4X/V
          R900505883 DB 10-2-5X/315V
          R900505885 3WE 10 A3X/CG24N9K4/V
          R900505886 DR 30-4-5X/100YV
          R900505901 DR 10 DP2-4X/25Y
          R900505950 SL 20 GB3-4X/
          R900505951 DR 20 G5-5X/100YM/12
          R900505977 DR 10-5-5X/315YMV
          R900506008 4WE10G3X/CG96N9K4
          R900506079 FD 16 KA2X/B06V
          R900506095 DR 10 DP1-4X/210YM
          R900506107 4WMR 10 D3X/YAW
          R900506114 4WE 10 E78-3X/CG24N9K4
          R900506116 4WE 10 X83A3X/CG24N9K4
          R900506142 DR 6 DP2-5X/75YM W43
          R900506180 4WSE3EE16-1X/200B8-315K9EV
          R900506196 FD 16 FB2X/400B04V
          R900506201 ZDR 10 VB5-3X/200YM
          R900506203 DZ 10-3-5X/200XY
          R900506271 4WMRA 10 D3X/YAW SO117
          R900506289 DB 10 G2-4X/50U W65
          R900506300 DZC 30-2-5X/50XY
          R900506323 DB 20-2-5X/200YV
          R900506332 5-4WMR 10 D3X/YAW SO85
          R900506334 DBC 30-2-5X/200
          R900506336 ZDR 6 DP1-4X/75YMV
          R900506354 DR 10-4-5X/50YM
          R900506366 Z2S 10-4-3X/V
          R900506369 ZDR 10 VP6-3X/315YM SO30
          R900506373 ZDB 10 VB3-4X/100V
          R900506390 LC 80 DB40E6X/
          R900506464 MH2WH 18 B02F1X/006LM11
          R900506467 MHDBT 22 K2-1X/420B09M
          R900506473 PV7-1X/16-20RE01MC5-16
          R900506585 DB 20-2-5X/100YU
          R900506604 DBC 30-2-5X/315V
          R900506613 STD 0095-1X/25/M
          R900506664 DB 10-2-4X/315XY W65
          R900506685 DB 10 G2-5X/100Y
          R900506697 DZ 10 DP2-4X/25
          R900506723 4WMM 10 D3X/FYABW
          R900506739 ZDB 10 VA1-4X/200V
          R900506776 DB 10-5-5X/315
          R900506797 DB 30 G2-5X/315Y
          R900506798 DBC 30-2-5X/50
          R900506800 4WMDA 10 C3X/F
          R900506808 PV7-1X/63-71RE07MC0-16
          R900506809 PV7-1X/100-118RE07MC0-16
          R900506856 DZ 30-2-5X/100
          R900506917 LC 80 A40E6X/
          R900506924 DZ 30-1-5X/315YM
          R900506957 FD 16 FB2X/300B04V
          R900506963 M-SR 15 KE05-1X/SO13
          R900506965 M-SR 8 KE05-1X/SO14
          R900506970 DA 10-2-5X/315-17V
          R900506979 DR 30-5-5X/350YM
          R900506985 DB 20 G2-5X/200X
          R900506999 SV 20 PA1-4X/SO67
          R900507009 DB 20-1-5X/350
          R900507010 DA 30-2-5X/200-17Y
          R900507041 MR 700F-P1N1N1N1N
          R900507043 SL 10 GB1-4X//12
          R900507045 MH2FAER 22 DA4X/1HG12C4A10V11
          R900507069 ZDB 10 VA3-4X/50V
          R900507095 DA 10-2-5X/50-10
          R900507110 SL 30 PA1-4X/SO67
          R900507126 Z2S 10A1-3X/V SO40
          R900507180 DA 20-2-5X/200-17V
          R900507198 DR 20-6-5X/200Y
          R900507209 MHFE 12 ZA1X/4AG24NZ4-060V07
          R900507211 SL 20 GA4-4X/
          R900507213 DZ 10 DP1-4X/210
          R900507217 DZ 10-3-5X/200Y
          R900507224 SV 25 GB1-4X/V
          R900507278 FD 16 FA2X/B00V
          R900507303 DR 10 DP1-4X/150Y
          R900507308 DR 20-5-5X/50YMV
          R900507380 5-3WE 10 B3X/CG24N9K4
          R900507389 DZC 30-1-5X/200
          R900507395 4WMDA 10 EA3X/F
          R900507430 DZ 20-2-5X/100Y
          R900507450 DB 20 G3-5X/315V
          R900507457 DR 30 G4-5X/50YM
          R900507459 ZDB 6 VP1-4X/50
          R900507469 Z2S 22 A3-5X/
          R900507497 4WE 10 J3X/CG24N9K4/B12
          R900507503 DB 10-2-5X/100V
          R900507526 ZDB 6 VA1-4X/100V
          R900507568 4WHD 10 RB3X/OF SO12
          R900507578 FD 12 FA2X/B00V
          R900507589 DA 20-1-5X/100-10
          R900507590 DB 10-1-5X/315X/12 SO559
          R900507611 DB 10-1-5X/100XY
          R900507672 DR 10 DP1-4X/25Y
          R900507735 5-3WE 10 A3X/CG24N9K4
          R900507740 SV 20 PB4-4X/
          R900507744 DAC 30-2-5X/100-17
          R900507772 4WP 10 D3X//V
          R900507777 Z2S 16B1-5X/SO40
          R900507785 LFA 80 DBEM-6X/400
          R900507812 3WMD 10 A3X/F
          R900507825 4WH 6 D5X/SO104
          R900507876 DR 30 G4-5X/315YM
          R900507883 MR 2800I-P1N1N1N1N
          R900507897 DR 10 G6-5X/100YMV
          R900507902 ZDR 10 VA6-3X/200YMV
          R900507929 SV 25 GA1-4X/V
          R900507946 DR 20-6-5X/200YMV
          R900507951 Z2FS 6 A3-4X/1QV
          R900507956 MH2FANR 22 DA4X/1HA00V11
          R900507963 ZDR 6 DA3-4X/210YV
          R900507970 ZDB 6 VP1-4X/100
          R900508001 FGS 10 C1-1X/V
          R900508003 FGS 16 C1-1X/V
          R900508019 DZ 10 DP2-4X/75X
          R900508053 ZDR 10 VB5-3X/315Y
          R900508100 DZ 30-1-5X/200XM
          R900508112 ZDR 10 DA2-5X/75Y W5
          R900508141 MH2FANR 32 DA4X/1A00V11
          R900508154 DZ 10-2-5X/100V
          R900508160 DR 20-5-5X/315YV
          R900508198 4WN 10 H3X/
          R900508207 LFA 80 DBS2-6X/400
          R900508214 MH2FAER 18 DA4X=1G24C4A06V11
          R900508234 SL 20 GA2-4X/V
          R900508267 DB 20-2-4X/350X W65
          R900508340 ZDR 10 DA1-5X/150YV
          R900508341 ZDR 10 DP1-5X/150YMV
          R900508342 DB 10 G1-5X/315
          R900508354 SL 30 PB1-4X/V
          R900508400 ZDR 10 VB6-3X/100Y
          R900508417 DB 6 K2-4X/350YV
          R900508418 DBDS 4 K1X/315
          R900508423 DB 6 K3-4X/200Y SO2
          R900508425 SV 20 GA1-4X//12
          R900508441 MG 10 G1X/V/12
          R900508442 MG 20 G1X/V/12
          R900508470 ZDR 10 VB6-3X/100YV
          R900508489 DB 10 G2-5X/200Y
          R900508498 DR 30-4-5X/200Y
          R900508503 4WMM 10 F3X/
          R900508538 DBF 2-3X/315
          R900508540 LFA 125 WEA-2X/P25
          R900508586 DBGC-1X/200P2
          R900508670 Z2S 16-4-5X/V
          R900508673 4WMM 10 E3X/F SO12
          R900508769 1TH 7 QL06-1X/M01
          R900508780 ZDB 6 VA2-4X/350V
          R900508847 MCR 03 F225F180Z-3X/A0M/01
          R900508857 4WS2EM10-4X/45B2ET315K8BM
          R900508905 DZ 10-3-5X/200YM
          R900508927 5-4WE 10 D20-3X/OFCG24N9K4/A07
          R900508948 5-4WE 10 C3X/CG24N9K4/C
          R900508963 SL 20 GA1-4X//12
          R900508968 SV 10 GA2-4X/SO43
          R900509000 4WE 10 Y3X/CG24NK4
          R900509026 DB 30-1-5X/315U
          R900509038 DB 20-2-5X/350V
          R900509043 DB 30-2-5X/50U
          R900509053 PV7-1X/10-14RE01MC7-16
          R900509061 DB 30-2-5X/315YV
          R900509062 DR 10-5-5X/50YV
          R900509085 DB 10-1-5X/100U
          R900509096 Z2DB 6 VC3-4X/50V
          R900509166 3WMDA 10 A3X/F
          R900509221 MH2FAER 22 DA4X=1G12C4A10V11
          R900509256 DRC 30-4-5X/315Y
          R900509274 PV7-1X/16-20RE01MD0-16
          R900509277 DR 20-7-5X/50YM
          R900509287 4WMM 10 J3X/YABW
          R900509327 Z1SRA 40 H1-1X/M
          R900509344 DR 10 DP2-4X/25YMV
          R900509397 4WMM 10 E65-3X/
          R900509400 DR 10 DP7-4X/75Y
          R900509442 FD 16 PA2X/B03V-006
          R900509451 DB 30 G2-5X/50X
          R900509452 HED 5 OA2-2X/50K14
          R900509453 SV 10 GB2-4X/V
          R900509458 SL 20 PB1-4X/V
          R900509466 DA 20-2-5X/200-10
          R900509468 DB 20-2-5X/350Y
          R900509502 DR 20-5-5X/315Y/12
          R900509504 FD 12 PA2X/B03V12
          R900509506 PV7-1X/25-30RE01MD0-16
          R900509508 DBWC .2-5X/315-6S
          R900509536 MHB 10 SFM1X/00U315T15V15
          R900509551 SL 20 GB1-4X/V
          R900509554 DA 20-2-5X/315-10Y
          R900509610 SV 10 GB4-4X/V
          SL20PA2-42/V力士樂液控單向閥
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