0811404093  4WRL10V55M-3X/G24Z4/M 

武穴黎翔机电设备有限公司，询价联系人：何女士

询价电话：0713-6542758，手机：18934630908    

询价传真：0713-6542758

询价QQ: 736567721,704552157

现货特价型号：R900925687 4WRAE10W1-30-22/G24N9K31/F1V  2台

0811402141 DBETBEX-1X/315G24K31F1M     2台

传统换向阀的进出油口控制通过一根阀芯来进行，两油口的开口对应关系早在阀芯设计加工时已确定，在使用过程中不可能修改，从而使得通过两油口的流量或压力不能进行独立控制，互不影响。磁力泵

0811404180  4WRL10E80S-3X/G24Z4/M 

0811404189  4WRL10E80S-3X/G24TZ4/M 

0811404181  4WRL10E1-80S-3X/G24Z4/M 

0811404182  4WRL10E1-80S-3X/G24ETZ4/M 

0811404190  4WRL10E1-80S-3X/G24TZ4/M 

0811404093  4WRL10V55M-3X/G24Z4/M 

0811404392  4WRL10V55M-3X/G24ETZ4/M 

0811404391  4WRL10V55M-3X/G24TZ4/M 

0811404095  4WRL10V70P-3X/G24Z4/M 

0811404094  4WRL10V85M-3X/G24Z4/M 

0811404390  4WRL10V85M-3X/G24ETZ4/M 

0811404393  4WRL10V85M-3X/G24TZ4/M 

0811404396  4WRL10V1-55M-3X/G24Z4/M 

R901227935  4WRL10V1-55M-3X/G24ETZ4/M 

0811404395  4WRL10V1-70P-3X/G24Z4/M 

0811404394  4WRL10V1-85M-3X/G24Z4/M 

0811404183  4WRL10W80S-3X/G24Z4/M 

0811404188  4WRL10W80S-3X/G24ETZ4/M 

0811404184  4WRL10W1-80S-3X/G24Z4/M 

0811404194  4WRL10W1-80S-3X/G24EZ4/M 

0811404185  4WRL10W1-80S-3X/G24ETZ4/M 

0811404193  4WRL10W1-80S-3X/G24TZ4/M 

0811404186  4WRL10E4-80S-3X/G24Z4/M 

0811404187  4WRL10W4-80S-3X/G24Z4/M 

0811404215  4WRL16E110S-3X/G24Z4/M 

R901212731  4WRL16E180S-3X/G24ETZ4/M 

0811404216  4WRL16E1-110S-3X/G24Z4/M 

0811404210  4WRL16EZ180S-3X/G24Z4/M 

R901086253  4WRL16EZ180S-3X/G24ETZ4/M 

0811404212  4WRL16E1Z180S-3X/G24Z4/M 

R901095626  4WRL16E1Z180S-3X/G24ETZ4/M 

0811404207  4WRL16V200M-3X/G24Z4/M 

R901179368  4WRL16V200M-3X/G24EZ4/M 

0811404240  4WRL16V1-200M-3X/G24Z4/M 

0811404217  4WRL16W180S-3X/G24EZ4/M 

0811404209  4WRL16WZ180S-3X/G24Z4/M 

0811404247  4WRL16WZ180S-3X/G24ETZ4/M 

随着微处理控制器、传感器元件成本的下降，控制技术的不断完善，使得双阀芯控制技术在工程机械领域得以应用。英国Utronics公司利用自己的技术及专利优势研制出双阀芯多路换向阀，已广泛应用于JCB、Deere、DAWOO、CASE等公司的挖掘机、装载机及挖掘装载机等产品上。为适应中国工程机械产品对液压系统功能要求。稳定性以及自动化控制程度的不断提高，Utronics公司产品适时进入中国市场，现已初步完成厦工（5t）装载机、詹阳（8t）挖掘机样机调试并进入试验阶段。 

Y132M2-6 5.5KW

PFE-31028-1DT

威格士放大板EEA-PAM-523-A32

力士乐柱塞泵A2FO16/61R/PPB06

威格士DG5V-7-2A-T-M-V-H5-40

大金KSO-G02-2AP-30-CLME

KSO-G02-2BP-30-CLME

调压阀ZDB6VP2/30/100

丹尼逊阀C5V-10321-A1

MAC电磁阀35A-ACA-OABA-IBA

万福乐放大器SD66201D20-AA#2

流量控制阀QNPFA06-A/B18/G24

力士乐溢流阀M-3SEW10U14/630MG24N9K4

美国SUNFDBA-LAN/CXCD-XCN/GBY

美国SUNLKFC-XDN-BBB/M

美国SUNFDEA-LAN-DJF

美国SUNKCB-XCN-EBA/M

美国SUNCKCB-XCN-EBA/M

美国SUNCXDA-XCN-GDP

比例阀RZMO-A-010/100

电磁换向阀24SO-L10H-W

比例放大器E-MI-AC-01F/2

电磁阀DKE-1631/2-X24

威格士CVI-16-P-0-5

单向阀M-SR8KR05/1X

溢流阀DBDS20K1X/200

威格士泵PVH074R

哈威69586513-00

DUPLOMATICDS3-S3/10N

DUPLOMATICDS3-S2/10N-D00

DUPLOMATICMVPP-D/50

DUPLOMATICMERS-D/50

手动泵BP3HFS

ASCO阀WP8551A420 220V

丹尼逊T6DC-050-031-1R00-B1

T6DC-045-025-1R00-B1

力士乐溢流阀

贺德克阀DB4E-01X-350/V

力士乐M-2SEW6N3X/420MG24N9K4

4WE6J61B/CG24N9K4Z5L

ATOS单向节流阀AQFR-10

ATOS伺服放大器E-ME-T-01H

ATOS伺服电磁阀DLHZO-T-040-L71 31

力士乐DBDS10G18/200V

迪普马DSA3-TA-11N

力士乐继电器HED80H-20/100K14

ASCO阀SCG551-A001MS

力士乐Z1S10E2-30

单向阀M-SR8KE05-1X

单向阀M-SR20KE05-1X

插装阀LC40DB20D7X/

电磁换向阀4WE6D6X/EG24N9K4+Z5L

节流阀NV08-20-K-N

节流阀NV12-20-K-N

油研DSG-03-2B4B-D24-50

油研BSG-06-2B3B-D24-47

油研电磁阀|DSG-03-3C4-D24-N-50|台1

油研6电磁阀|CRG-03-04-50|台1

油研7电磁阀|CRG-06-04-50|1

油研泵 A16-F-R-01-C-H-K-32 替代

油研DSPG-01-C-D24-20 1台

油研2FRE 6B-22/10QK4MV

派克D41FHB32CINB00

诺冠SXE9575-A71-00K

迪普马线圈EM48/R/10  220V

派克CP0M3PDV

力士乐压力截止阀DA6VA2-40/100-17M502461007

霍尼韦尔电动调节阀V5088A1021

万福乐GS22061-G24

SMCAW30-02BDE-2

阿托斯KQ-012/51

DKE-1714

万福乐AS2210A-G24

阿托斯PFG-120-D-RO

PFG-120-D

威格士DG4V-5-2A-V-M-U-H6-20

PARKERTE0390MW260AAAB

PARKERTE0260CW100AAAB

PARKERTG0625HV450AAAB

VICKERSCG5V-6GW-D-M-U-H5-20

力士乐R911333702 电机

力士乐R911296725 电源45KW

力士乐R911308869 电容模块

力士乐R911297425 电源120KW

力士乐R911306059 电机

力士乐R911315269 电机

力士乐R900907684 电磁阀

ATOS放大器E-ATR-7/400/I 10

威格士DG4V-3-2A-M-U-H7-40

DG17V-3-2A-5

DG17V-7-6C-T-10-5

DG17V-3-6C-5

穆格D634-501A

阿托斯SDHI-07119-AC220V

施耐德驱动器HE302-0650-101011-1A

力士乐压力开关HED80H11/50K14

阿托斯电磁阀DHI-0631/2

阿托斯DHA-0630-2/GK/WP

MOOG伺服阀D661-4444C

1、传统单阀芯换向阀的缺陷 

　　 传统的单阀芯换向阀所组成的液压系统难以合理解决好以下功能和控制之间存在的矛盾： 

　　 （1）液压系统设计时为提高系统稳定性，减少负载变化对速度的影响，要么牺牲部分我们想实现的功能，要么增加额外的液压元件，如调速阀、压力控制阀等，通过增加阻尼，提高系统速度刚度来提高系统的稳定性。但是这样元件的增加又会降低效率，浪费能源；还会使得整个系统的可靠性降低、增加成本。 

0811404095  4WRL10V70P-3X/G24Z4/M 

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0811404186  4WRL10E4-80S-3X/G24Z4/M 

0811404187  4WRL10W4-80S-3X/G24Z4/M 

0811404215  4WRL16E110S-3X/G24Z4/M 

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0811404212  4WRL16E1Z180S-3X/G24Z4/M 

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0811404207  4WRL16V200M-3X/G24Z4/M 

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0811404240  4WRL16V1-200M-3X/G24Z4/M 

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0811404213  4WRL16W1Z180S-3X/G24Z4/M 

0811404214  4WRL16E4-180S-3X/G24Z4/M 

0811404407  4WRL25EZ350S-3X/G24Z4/M 

0811404408  4WRL25E1Z350S-3X/G24Z4/M 

R978714479  4WRL25E1Z350S-3X/G24ETZ4/M 

0811404496  4WRL25V300P-3X/G24Z4/M 

0811404405  4WRL25V370M-3X/G24Z4/M 

R901238424  4WRL25V370M-3X/G24EZ4/M 

0811404495  4WRL25V1-370M-3X/G24Z4/M 

0811404414  4WRL25W350S-3X/G24EZ4/M 

0811404406  4WRL25WZ350S-3X/G24Z4/M 

0811404409  4WRL25W1Z350S-3X/G24Z4/M 

R901253023  4WRL25W1Z350S-3X/G24EZ4/M 

0811404420  4WRL25E4-350S-3X/G24Z4/M 

0811404421  4WRL25W4-350S-3X/G24Z4/M 

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0811404500  4WRL35E1100S-3X/G24Z4/M 

R901118494  4WRL35W4-1100S-3X/G24ETZ4/M 

R901156703  4WRLE10E50SJ-3X/G24K0/A1M 

0811404700  4WRLE10E80SJ-3X/G24K0/A1M 

R901109238  4WRLE10E80SJ-3X/G24EK0/A1M 

0811404713  4WRLE10E80SJ-3X/G24ETK0/A1M 

R901097659  4WRLE10E80SJ-3X/G24TK0/A1M 

0811404701  4WRLE10E1-80SJ-3X/G24K0/A1M 

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R901225019  4WRLE10V40P-3X/G24ETK0/A1M 

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R901091344  4WRLE10V55M-3X/G24K0/F1M 

R978014541  4WRLE10V55M-3X/G24EK0/A1M 

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R901158977  4WRLE10V70P-3X/G24EK0/F1M 

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0811404660  4WRLE10V85M-3X/G24TK0/A1M 

R901125217  4WRLE10V85L-3X/G24ETK0/A1M 

0811404688  4WRLE10V1-40P-3X/G24K0/A1M 

0811404671  4WRLE10V1-55M-3X/G24K0/A1M 

R901156561  4WRLE10V1-55M-3X/G24EK0/A1M 

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0811404672  4WRLE10V1-85M-3X/G24K0/A1M 

R901219315  4WRLE10V1-85M-3X/G24K0/F1M 

0811404397  4WRLE10V1-85M-3X/G24EK0/A1M 

0811404676  4WRLE10V1-85M-3X/G24EK0/F1M 

0811404673  4WRLE10V1-85M-3X/G24ETK0/A1M 

R901217844  4WRLE10V1-85L-3X/G24ETK0/A1M 

0811404704  4WRLE10W50SJ-3X/G24ETK0/A1M 

0811404702  4WRLE10W80SJ-3X/G24K0/A1M 

0811404707  4WRLE10W80SJ-3X/G24ETK0/A1M 

0811404703  4WRLE10W1-80SJ-3X/G24K0/A1M 

R901202699  4WRLE10W1-80SJ-3X/G24EK0/A1M 

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0811404714  4WRLE10E4-80SJ-3X/G24K0/A1M 

0811404711  4WRLE10W4-80SJ-3X/G24K0/A1M 

　　 （2）由于换向结构的特殊性，使得用户在实现某一功能时必须购买相应的液压元件，再加上工程机械厂家会根据不同最终用户要求设计出相应的功能，这样会造成生产厂家采购同类、多规格的液压控制元件来满足不同功能要求的需要，不利于产品通用化及产品管理，同时会大大提高产品成本。 

R900949590  ZDR6DA1-4X/25YMV 

R900481125  ZDR6DA1-4X/25Y 

R900506073  ZDR6DA1-4X/25Y

R900448506  ZDR6DA1-4X/75Y

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R901133187  ZDR6DB2-4X/75Y 

R900586123  ZDR6DB2-4X/75Y 

　　 （3）由于执行机构进出液压油通过一根阀芯进行控制，单独控制执行机构两侧压力是不可能的。因此，出油侧背压作用于执行机构运动的反方向，随着出油侧背压升高，为保质执行机构的运动，必须提高进油侧压力。这样会使得液压系统消耗的功能增加，效率低，发热增加。 

　　 采用双阀芯技术的液压系统，由于执行机构进出油侧阀口阀芯位置及控制方式各自独立，互不影响，这样通过对两阀芯控制方式的不同组合，利用软件编程能很好解决传统单阀系统不能解决的问题，同时还可以轻易实现传统液压系统中难以实现的功能。 

2、双阀芯换向阀的两种基本控制策略 

AEA10VS028DRG/31R-VPA12N00

Z2S6

A2FM63/61W-VAB020

Z2FS22-30B/S2

4WE6D50/0FAW220-50NZ4

A10V028DR/31R-PSC62K01

4WE6D50/0FAW220-50NZ4

4WEH25J6X/W230N9ETK4 P4.5

4WEH16J7X/W230N9ETK4 P4.5

4WEH16D50B/6EG24NETZ5L

4WEH25D50B/6EG24NETZ5L

DBW10B2-5X/315G24R12/2

4WE10HA3X/CNZ5LG24

DRVP30

DBDH20P10/50

2FRM6B76-2X/10QM

DRVP-20

4WE6EA61B/CW220-50N9Z5L

4WE6TB61B/CW220-50N9Z5L

4WEH16J7X/6EG24N9S2K4

M-3SED6CK13/350CG24N9K4 

DBW10B-1-30B/100-6EG24NZ5L

4WE6D5X/EG24K4QMBG24

A4VTG90HW/32R

A10VS0100DR/31R-PSC12L 串100排量泵

4WEH25H50/6AG24N9K4

4WE6J60/EG24N9Z5LB08

4WE6M69/ZG24N9KB08

4WE6C69/EG24N9KB08

M-3SEW6N39/420MG24N9K4

HED80H69/209K14KS 

HED80H69/100K14KS       

Z2S6-1 

DBW20B-1-30/315UG24NZ

DB20-1-30/100U

4WE10C3X/CG24N9K4 

FD12KA2X/B03V

FD16KA2X/B03V

4WRE6W00-1X/24Z4M-119

ZDB6VP2-42/100V

ZDR6DP2-3X/75YM

DZ6DP2.3.3/75Y

A4VG180EP2D1/32L-NZD02K691EH-S

4WE6D62/EG24N9K4?

M3SED6CK13/350CG24N9K4

DBDS6K18/315 07N40 

 DR 10-5-5X/200Y

 DR 20-5-5X/200Y

DBDS6P1X/315 

4WE10J33EW230N9K4

H-4WMM22T 7X /

DZ30-2-5X/200Y

A2F056/61R-PPB05

A2F0107/61R-PPB05

S20P

E A10VSO71DR/31R-VPA12N00

FD32KA2X/B06V

AA2FM45/61W-VSD510

A4VSO250DR/30R-PPB13N00

A2F056/61R-PPB05

A2F0125/61R-PPB05

A2F0107/61R-PPB05

H-4WEH25J-6X/6EW220NETS2K4

Z2FS22-3X/S2

Z2FS10-5-3X/

Z2S22-2-5X/

Z2S10-2-3X/

S20P

A2FM107/61W-VAB010

DR20-5-52/100Y

DR20-5-52/315Y

DB10-2-52/100Y

DB10-2-52/315

PV-7-17/16-20RE01MCO-16

A2FM80/61W-VAB020

LC32A20E60

LFA32WEA60/A12P12

LFA32SEA60/ZSE6P  过渡板

LC32A40E60

LFA32DBEM60/315

LC32DB20E60

LC32A10D60

LFA32D60/CA10

2FRE16-4X/160LBK4=1件

2FRE10-4X/50LBK4=2件

DBEM10-5X/350YG24K4M=3件

HED 8 OH 12/100  K14A

HED 4 OH 11/50Z14  

DZ30-2-5X/200Y 

4WEH16HW6X/6AG220N9ETZ5L  

Z2FS16-3X/S2

线圈：R900021393  110V

DREE10-5X/200YG24K31M 

DR10DP2-4X/210Y

3DR10P5-6X/50Y/00M

A7V55DR1PPF00

A7V80DR1RPF00

A7V107DR1RPF00

3DREPE6C-20-25EG24N9K31/F1M-D0 

LC25DR40E7X

LC50DR40E7X

3DREE10P-6X200YG24K31V

DB10-1-50/31.5

FD25KA2X/B04V

FD32KA2X/B06V

3DR10P5-6X/100Y/OOM

2FRM10-3X/50

M-SR25KE-05-1X

A4VG56EZ2DMT1/32R-NZC02F005L

A2FM32/61W-VAB016

A4VG71HD1/32R-NZD02F001D

A2FM32/61W-VAB026

A10VS0140DR/30R-VPB12N00/V

DBW20A1-5X/315-6EG24N9K4/V

S20P2/V

4WE10JA3X/CG24NZ5L/V

4WE10J3X/CG24NZ5L/V

Z2S10-1-3X/V 

Z2S10A-3X/V 

RVP12-1X/V

RVP16-1X/V 

Z2FS10-3X/S2V  

DR20-1-3X/315YMV

DZ10-1-5X/200V

DRECN10-3X/200YMV 

A7VLO 250 DR/63R-VPB02

DBW 30 B1N5X/200U6EG24N9K4

S 30 A1.0/

4WE 10 F3X/G24N9K4

4WEH 10 J4X/6EG24N9ETK4

4WE6D73-62/OFG24N9K4

ZDB 6 VA2-4X/200V

4WMM 16 E7X/F

单向截止阀?MK30G1X??

压力继电器?HED1KA4X/100L24?

单向阀S30A1.0

单向阀?S6A2.0

单向阀?S20A2.0?

电磁换向阀?4WE10D3X/OFCG24N9K4?

电液换向阀?4WEH25D6X/OF6EG24N9ETS2K4/P4.5

比例溢流阀(放大器)DBE20-5X/100XG24K4M

E-A4VS0180DR/30R-PPB13N00 

DBW30A2-5-5X/315-6EG24N9K4

DR20-5-5X/200YM

Z2FS16-3X/S2

A2FO12/61R-PBB06

A2FO12/61R-PBB06

S10A2.0

DBDS6P1X/400

4WE6G73-6X/EG24N9K4

DBDS10P10X/400

DR10-5-5X/315Y

4WE6J6X/EG24N9K4

ZDB6VB2-4X/315V

Z2S6-3-6X

DBEP6A06-1X/45A24NZ4M

DR10DP2-30/75YM

HRD80A11/350

BES516-B10-THA-16-602-11

4WE10D32/CG24N9K4

4WE10D53/OFEG24N9K4

4WE6D62/EG24N9K4

4WE6U125X1/AG24N9K4

4WE6D5X1/AG24N9K4

TLH-450

DBDS10G10/315-2

DBDS6G10/315

HX-250x20Q2

SV10GA1-42与上型号配套使用截流阀

4WEH16D-7X/6EG24N9ETK4+R901017022

4WEH10E-4X/6EG24N9ETK4+R901017022

4WEH10D-47X/6EG24N9ETK4+R901017022

4WEH22D-7X/6EG24N9ETK4+R901017022 

AEA10VSO45DRG/31R-PPA12N00

4WE6J6X/EG24NEXZ2/B08

4WE6C6X/EG24NEXZ2/B08 

H-4WEH32J6X/0F6AG24NETK4/B10D3V

4WMM6E50/F

2FRM16-3X/160L

PVQ2-1X/045RA15PMB

A10VS071DFR1/31R-VPA12N00

A4VS0125DR/22R-PPB13N00

SL10PA1-4X

Z2S10-5-3X/V

Z2S6-1-6X/V

Z2FS6-2-4X/2

Z2FS10-1-3X

Z2FS6-1-6X/2QV

4WE6JA6X/EG24N9K4

4WE6JB6X/EG24N9K4

4WE10J3X/CG24N9K4

4WE6J6X/EG24N9K4

4WE6HB6X/EG24N9K4

4WE6Y6X/EG24N9K4

DREE10-5X/200YMG24K31M

4WREE10W75-2X/G24K31/A1V

4WEE6E32-2X/G24K31/A1V

ZDB6VP2-4X/200V

Z2FS6-B2-4X/200V

DR20-6-5X/200YM

DR10-7-5X/200YM

DB3U10D-3-5X/315 6AG24N9Z4

DBW20B2-5X/315 S6EG24N9K4

DBW10B2-5X/315 6EG24NK4

M-SR8KE05-1X

M-Z4SEH10E2X/3CG24ETK4

M-3SED6UK1X/350CG24N9K4/B22

Z2DB10VD3-4X/200V

Z2S16B1-5X

SV10PA1-4X

SV20PB2-4X

SL20PA1-4X

Z2S22-1-5X

Z2S16-1-5X

A2F032/61R-PBB05 

2FRE16-4X/100LBK4V 

3DREPE 6C-20=25EG24N9K4/M=00 

4WRZ 16E1-150-70/6EG24N9K4/M 

PGH2-22/006RE07VV2 

4WH 6 Y5X 

4WRA6W1-30-2X/G24N9K4 

Z5L插头 

K4 

4WE6Y60/EG24N9K4 

4WEH25E50/6AG24NETSK4 

HED40H10/350L220S 

3WE6A6X/EG24N9K4 Z5L 

HED80P12/100K14S 

AEA10VS028DRG/31R-VPA12N00 

A2FM10/61W-VAB030 

A2FM16/61W-VAB030 

Z2S 16 -1-5X/ 

3DREM 10 P-6X/315YG24K4V 

 ZDR 6 DB2-4X/75YM 

FD 25 FB2X/300B04V 

4WRAE 6 W30-2X/G24K31/F1V 

 4WRA 6 W1-30-2X/G24N9K4 

 FD 32 FB2X/300B06V 

M-3 SEW 6 C36/420M G24N9Z2/808  S0.864 

M-3 SEW 6 U36/420 MG24N9K4 

HED 1 OA4X/50 

A10VS071DRG/31R-PPA12N00 

AEA10VS028DRG/31R-VPA12N00 

Z2S6 

A2FM63/61W-VAB020 

Z2FS22-30B/S2 

4WE6D50/0FAW220-50NZ4 

A10V028DR/31R-PSC62K01 

4WE6D50/0FAW220-50NZ4 

4WEH25J6X/W230N9ETK4 P4.5 

4WEH16J7X/W230N9ETK4 P4.5 

4WEH16D50B/6EG24NETZ5L 

4WEH25D50B/6EG24NETZ5L 

DBW10B2-5X/315G24R12/2 

4WE10HA3X/CNZ5LG24 

DRVP30 

DBDH20P10/50 

2FRM6B76-2X/10QM 

DRVP-20 

4WE6EA61B/CW220-50N9Z5L 

4WE6TB61B/CW220-50N9Z5L 

4WEH16J7X/6EG24N9S2K4 

M-3SED6CK13/350CG24N9K4 

DBW10B-1-30B/100-6EG24NZ5L 

4WE6D5X/EG24K4QMBG24 

A4VTG90HW/32R 

A10VS0100DR/31R-PSC12L 串100排量泵 

4WEH25H50/6AG24N9K4 

4WE6J60/EG24N9Z5LB08 

4WE6M69/ZG24N9KB08 

4WE6C69/EG24N9KB08 

M-3SEW6N39/420MG24N9K4 

HED80H69/209K14KS 

HED80H69/100K14KS       

Z2S6-1 

DBW20B-1-30/315UG24NZ 

DB20-1-30/100U 

4WE10C3X/CG24N9K4 

FD12KA2X/B03V 

FD16KA2X/B03V 

4WRE6W00-1X/24Z4M-119 

ZDB6VP2-42/100V 

ZDR6DP2-3X/75YM 

DZ6DP2.3.3/75Y 

A4VG180EP2D1/32L-NZD02K691EH-S 

4WE6D62/EG24N9K4? 

M3SED6CK13/350CG24N9K4 

DBDS6K18/315 07N40 

 DR 10-5-5X/200Y 

 DR 20-5-5X/200Y 

DBDS6P1X/315 

4WE10J33EW230N9K4 

H-4WMM22T 7X / 

DZ30-2-5X/200Y 

A2F056/61R-PPB05 

A2F0107/61R-PPB05 

​　　 由于双阀芯换向两油口控制的灵活性，两油口可分别采取流量控制、压力控制或流量压力控制。正面介绍两种简单的控制策略。 

（1）负载方向在整个工作过程中保持不变 

　　 我们知道，对于汽车起重机、挖掘机、装载机等而言，其液压缸在整个工作过程中负载方向始终维持不变。下面以起重机变幅液压缸为