***力士乐放大卡VT-VRPA1-527-10/V0/QV
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DG4V-3-2AL-M-U-H7-60
DG4V-3-2A-M-U-H7-60
DG4V-3-0A-M-U-H7-60
DG4V-3-2B-M-U-H7-60
DG4V-3-OB-M-U-H7-60
DG4V-3-2C-M-U-H7-60
DG4V-3-6C-M-U-H7-60
DG4V-3-7C-M-U-H7-60
DG4V-3-3C-M-U-H7-60
DG4V-3-31C-M-U-H7-60
DG4V-3-33C-M-U-H7-60
DG4V-3-2N-M-U-H7-60
DG4V-3-OC-M-U-H7-60
DG4V-5-0A-M-U-H6-20
DG4V-5-2AJ-M-U-H6-20
DG4V-5-3CJ-M-U-H6-20
DG4V-5-2CJ-M-U-H6-20
DG4V-5-6CJ-M-U-H6-20
DGMFN-3-Y-A2W-B2W-41
DG4V-3-2A-M-U-H7-60
DG4V-5-6CJ-M-U-H6-20
DGMC-3-PT-GW-41
DG4V-3-6C-M-U-H7-60
DG4V-3-2AL-M-U-H7-60
DG4V-5-2AJ-M-U-H6-20
DGMFN-5-Y-A2W-B2W-30
PTS9-20-U-0000-080-00B
CV2-20V-P-0-5
DGMX2-5-PP-FW-B-30
DG4V-3-2C-M-U-H7-60
DG3VP-3-102A-VM-UB-10N
DG3VP-3-103A-VM-UH-10
DG3VP-3-103A-VM-UB-10N
DGMFN-7-Y-A2H-B2H-20
SV1E-10-C-0-115AU
CVCS-25-U-B29-W-250-11
DG4V-3-2N-M-U-H7-60
DGMC5ATFWB30
DGMC3ATGWB41
DGMPC5ABKBAK30
DGMPC3ABKBAK41
DGMFN5YA2WB2W30
KBFDG4V333C20NZM1PC7H711
DGMFN3YA2WB2W41 R900978750 LC63DB80E7X/V
R900384628 LC80DB00E6X/
R901008824 LC80DB00D6X/
R901206322 LC80DB00D6X/V
R900379289 LC80DB20E6X/
R900437118 LC80DB20E6X/V
R900385711 LC80DB20D6X/
R900922304 LC80DB20D6X/V
R901095450 LC80DB20A6X/
R900506390 LC80DB40E6X/
R900969691 LC80DB40E6X/V
R900505205 LC80DB40D6X/
R900548067 LC80DB40D6X/V
R901230175 LC80DB40A6X/
R900484984 LC100DB00E6X/
R900478037 LC100DB20E6X/
R900387976 LC100DB20D6X/
R900514424 LC100DB40E6X/
R900523516 LC100DB40D6X/
R901058545 LC100DB40B6X/
R900938331 LC16DR00E7X/
R900928313 LC16DR00E7X/V
R900912559 LC16DR20E7X/
R900734946 LC16DR20E7X/V
R900912560 LC16DR40E7X/
R900946269 LC16DR40E7X/V
R900734958 LC16DR50E7X/
R900927849 LC16DR80E7X/
R900708258 LC16DR80E7X/V
R900928314 LC25DR00E7X/V
R900912558 LC25DR20E7X/
R900912561 LC25DR40E7X/
R901016167 LC25DR40E7X/V
R900928810 LC25DR50E7X/
R900930118 LC25DR80E7X/
R900707124 LC25DR80E7X/V
R900956642 LC32DR00E7X/
R900912562 LC32DR20E7X/
R900619163 LC32DR20E7X/V
R900912563 LC32DR40E7X/
R901008659 LC32DR40E7X/V
R900930347 LC32DR50E7X/
R900927773 LC32DR80E7X/ T6C-020-1L03-A1
T6C-020-2L03-A1
T6C-020-1R00-B1
T6C-020-2R00-B1
T6C-020-1L00-B1
T6C-020-2L00-B1
T6C-020-1R01-B1
T6C-020-2R01-B1
T6C-020-1L01-B1
T6C-020-2L01-B1
T6C-020-1R02-B1
T6C-020-2R02-B1
T6C-020-1L02-B1
T6C-020-2L02-B1
T6C-020-1R03-B1
T6C-020-2R03-B1
T6C-020-1L03-B1
T6C-020-2L03-B1
T6C-020-1R00-C1
T6C-020-2R00-C1
T6C-020-1L00-C1
T6C-020-2L00-C1
T6C-020-1R01-C1
T6C-020-2R01-C1
T6C-020-1L01-C1
T6C-020-2L01-C1
T6C-020-1R02-C1
T6C-020-2R02-C1
T6C-020-1L02-C1
T6C-020-2L02-C1
T6C-020-1R03-C1
T6C-020-2R03-C1
T6C-020-1L03-C1
T6C-020-2L03-C1
T6C-022-1R00-A1
T6C-022-2R00-A1
T6C-022-1L00-A1
比例电磁铁为了输出克服弹簧力和液动力，必须要有足够的电流，不同的厂家的比例电磁铁，***大位移所需的电流值通常在600-3000mA不等,而工业控制标准信号通常是0-5v/0-10v/-5-+5v/-10-+10v的电压信号或0-20mA/4-20mA电流信号，控制信号带负载能力很弱，不足以推动比例电磁铁。比例阀放大器起到一个信号匹配的作用，接收微弱的控制信号，输出比例电磁铁所需的电流，同时比例阀放大器加入了各种必要的环节，如死区调整/增益调整/斜坡时间/颤振调节等。
总之，比例阀放大器就是一个信号匹配器
0811405166 VT-PE-TB1
0811405164 VT-SWMA5-5-1X/V0/0
0811405163 VT-PA-2
0811405162 VT-SSPA1-508-20/V0/I
0811405160 VT-VPRAP1-540-10/V0/T-SI
0811405159 VT-VPRAP1-540-10/V0/SI
0811405158 VT-VACAP-500-20/V0/2CH
0811405157 VT-VACAP-500-20/V0
0811405156 VT-VARAP1-527-20/V0/3/2VAX
0811405155 VT-VARAP1-527-20/V0/2STV
0811405154 VT-VARAP1-537-20/V0/5/3V
0811405153 VT-VARAP1-537-20/V0
0811405152 VT-VARAP1-527-20/V0
0811405151 VT-NE502-1X/V0/0
0811405150 VT-VACAS-500-10/V0/HRV
0811405149 VT-VACAP-500-10/V0/2CH
0811405148 VT-VRRA1-527-10/V0/RV
0811405147 VT-VACAF-500-10/V0
0811405146 VT-VNE1-5-1X/V0/0
0811405145 VT-SSPA1-525-20/V0/I
0811405144 VT-SSPA1-508-20/V0
0811405143 VT-SSPA1-525-20/V0
0811405141 VT-KACAB-500-10/V0
0811405140 VT-MACAS-500-10/V0/I现货
0811405139 VT-MACAS-500-10/V0
0811405138 VT-VRPA2-537-10/V0/RTS
0811405137 VT-VRPA2-527-10/V0/RTS
0811405135 VT-VARAM1-527-10/V0/TIME
0811405134 VT-VARAM2-537-10/V18
0811405133 VT-VARAM1-527-10/V18
0811405132 VT-VACDS-500-10/V0/AMS
0811405131 VT-VACDS-500-10/V0/DMS
0811405129 VT-VACDS-500-10/V0/DM
0811405128 VT-VACAI-500-10/V0/VLRD
0811405126 VT-MSPA1-508-10/V0
0811405125 VT-VPRAP1-540-10/V0/T
0811405124 VT-VACAP-500-10/V0
0811405123 VT-VRRA1-527-10/V0
0811405122 VT-MARAM1-537-10/V0/X2
0811405121 VT-SWMA4-5-1X/V0/0
0811405120 VT-VRPA2-537-10/V0/RTP
0811405119 VT-VRPA2-527-10/V0/RTP
0811405118 VT-PA-1
0811405116 VT-SWKA3-5-1X/V0/0
0811405115 VT-VACAS-500-10/V0/LVAR
0811405114 VT-PA-3
0811405111 VT-BNE1-5-1X/V0/0
0811405110 VT-VPRAP1-540-10/V0
0811405109 VT-MNE1-5-1X/V0/0
0811405108 VT-SWMA3-5-1X/V0/0
0811405107 VT-SWMA2-5-1X/V0/0
0811405106 VT-MSPA2-525-10/V0
0811405105 VT-SWMA1-5-1X/V0/0
0811405104 VT-VRPA1-537-10/V0/QV-RTP
0811405103 VT-VRPA1-527-10/V0/QV-RTP
0811405099 VT-VRPA1-537-10/V0/QV
0811405098 VT-VRPA1-527-10/V0/QV
0811405094 VT-SWKA2-5-1X/V0/0
0811405093 VT-SWKA1-5-1X/V0/0
0811405090 VT-VPRAS1-527-10/V0
0811405088 VT-VARAP1-527-10/V0/3/2VAX
0811405087 VT-VARAP1-527-10/V0/2STV
0811405086 VT-VARAP1-537-10/V0/5/3V
0811405085 VT-VARAP1-537-10/V0
0811405084 VT-VARAP1-527-10/V0
0811405083 VT-KRRA2-527-20/V0/2CH
0811405082 VT-KRRA2-537-20/V0/
0811405081 VT-VSPA1-508-10/V0/RTP
0811405080 VT-VSPA2-525-10/V0/RTP
0811405079 VT-VSPA1-525-10/V0/RTP
0811405078 VT-VRPA1-542-10/V2
0811405077 VT-KPRAP1-537-10/V16
0811405076 VT-VRPA1-527-20/V0/2/2V
0811405075 VT-VARAI-500-10/V0/VLRC
0811405074 VT-VRPA1-527-20/V0/RTS-2/2V
0811405073 VT-VRPA1-527-20/V0/RTS-2STV
0811405070 VT-VRRA1-537-20/V0/KV-AGC
0811405069 VT-VRRA1-527-20/V0/KV-AGC
0811405060 VT-VRRA1-527-20/V3 现货
0811405061 VT-VRRA1-537-20/V0 现货
0811405063 VT-VRRA1-527-20/V0/2STV 现货
0811405065 VT-VRRA1-527-20/V0/K40-AGC
0811405066 VT-VRRA1-527-20/V0/K60-AGC
0811405067 VT-VRRA1-537-20/V0/K40-AGC
0811405074 VT-VRPA1-527-20/V0/RTS-2/2V
0811405097 VT-VRPA1-537-10/V0/PV
0811405098 VT-VRPA1-527-10/V0/QV
0811405102 VT-VRPA1-537-10/V0/PV-RTP
0811405104 VT-VRPA1-537-10/V0/QV-RTP
0811405106 VT-MSPA2-525-10/V0
0811405126 VT-MSPA1-508-10/V0
0811405127 VT-MSPA1-525-10/V0
0811405143 VT-SSPA1-525-2X/V0
0811405144 VT-SSPA1-508-20/V0
0811405540 HM18-1X/210-V-S/V0/0
0811405547 HM18-1X/350-V-S/V0/0
0811405554 HM18-1X/100-V-S/V0/0
0811405553 HM18-1X/350-D-R/V0/0
0811405552 HM18-1X/210-D-R/V0/0
0811405549 HM18-1X/060-C-S/V0/0
0811405548 HM18-1X/100-C-S/V0/0
0811405547 HM18-1X/350-V-S/V0/0
0811405546 HM18-1X/350-C-B/V0/0
0811405545 HM18-1X/210-C-B/V0/0
0811405544 HM18-1X/350-C-R/V0/0
0811405543 HM18-1X/210-C-R/V0/0
0811405542 HM18-1X/350-C-S/V0/0
0811405541 HM18-1X/210-C-S/V0/0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。
（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***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。DG5V-7-2C-3-E-M-FTWL-H5-40
DG5V-7-2C-3-T-M-U-H5-40
DG5V-7-2C-T-M-U-H5-40
DG5V-7-2C-VM-U-H5-40
DG5V-7-2C-VMU-H5-40（带插头）
DG5V-7-2N-2-M-U-C5-40
DG5V-7-2N-2-M-U-H5-40
DG5V-7-2N-2-M-U-H5-40
DG5V-7-2N-2-T-VM-U-H5-40
DG5V-7-2N-2-VM-U-H5-40
DG5V-7-2N-3-E-M-U-A6-30
DG5V-7-2N-E-M-U-H5-40
DG5V-7-2N-H-M-U-H5-40
DG5V-7-2N-T-VM-U-A6-30
DG5V-7-2N-VM-U-H5-40
DG5V-7-31C-2-M-U-H5-40
DG5V-7-31C-2-M-U-H5-40
DG5V-7-33C-1-M-U-H5-40
DG5V-7-33C-2-VM-U-H7-30
DG5V-7-33C-3-T-M-U-H5-40
DG5V-7-33C-E-M-U-H5-40
DG5V-7-33C-T30-EN55
DG5V-7-33C-T-M-U-H5-40
DG5V-7-33C-T-M-U-H5-40
DG5V-7-3C-M-U-H7-30
DG5V-7-521N-2-M-U-H5-40
DG5V-7-5-2C-2-M-U-H5-40
DG5V-7-52C-2-M-U-H5-40
DG5V-7-52C-E-M-U-H7-30
DG5V-7-6C-2-E-M-U-H5-40
DG5V-7-6C-2-M-U-H5-40
DG5V-7-6C-2-M-U-H5-40
DG5V-7-6C-2-T-M-U-H5-40
DG5V-7-6C-2-T-VM-U-H5-40
DG5V-7-6C-2-VM-U-H5-40
DG5V-7-6C-H-M-U-H5-40
DG5V-7-6C-M-U-C6-30
DG5V-7-6C-M-U-H5-40
DG5V-7-6C-M-U-H5-40
DG5V-7-6C-M-U-H6-40
DG5V-7-6C-M-U-H7-21
DG5V-7-6C-T-M-U-B5-40
DG5V-7-6C-T-M-U-B5-40
DG5V-7-6C-T-M-U-H5-40
DG5V-7-6C-T-M-U-H7-30（带插头）
DG5V-7-6C-T-VM-U-H5-40
DG5V-7-6C-T-V-M-U-H5-40
DG5V-7-6C-T-VM-U-H5-40+977467
DG5V-7-6C-VM-U-H5-40
DG5V-7-6C-VM-U-H5-40
DG5V-7-8C-2-E-T-VM-U-H5-
DG5V-7-8C-2E-V-MU-H5-40
DG5V-7-8C-VM-U-A5-40
DG5V-7-8C-VM-U-H5-40
DG5V-8-H-0AL-E-M-U-H-10
DG5V-8H-11C-M-FW-B-30
DG5V-8-H-2A-T-M-U-H-10
DG5V-8-H-2C-E-T-VM-U-H-1
DG5V-8-H-2C-T-VM-U-H-10
DG5V-8-H-2N-T-M-U-H-10
DG5V-8-S-0A-M-U-H-10
DG5V-8-S-2A-E-M-U-H-10
DG5V-8-S-2A-M-FPA5WL-B-1-0
DG5V-8-S-2A-M-U-H-10
DG5V-8S-2A-T-MUH-10
DG5V-8-S-2A-T-M-U-H-10
DG5V-8-S-2B-T-M-U-H-10
DG5V-8-S-2C-E-M-U-H-10
DG5V-8-S-2C-E-T-M-U6-B-1
DG5V-8-S-2C-E-T-M-U-H-10
DG5V-8S-2C-M-U-H-10
DG5V-8-S-2C-M-U-H-10
DG5V-8S-2C-T-MUH-10
DG5V-8-S-2C-T-M-U-H-10
DG5V-8-S-2N-M-FPA5WL-B-1-0
DG5V-8-S-31C-M-U-H-10
DG5V-8-S-31C-T-M-U-H-10
DG5V-8-S-3C-M-U-D-10
DG5V-8-S-3C-T-M-U-H-10
DG5V-8-S-6AL-E-M-U-H-10
DG5V-8-S-6C-2-M-U-H-10
DG5V-8-S-6C-E-T-M-U-B-10
DG5V-8-S-6C-E-T-M-U-H-10
DG5V-8-S-6C-M-U-H-10
DG5V-8S-6C-T-MUH-10
DG5V-8-S-6C-T-M-U-H-10
DG5V-H8-2C-2-E-M-U-H5-30
DG5V-H8-2C-M-U-C6-21
DG5V-H8-2C-VM-U-H5-30
DG5V-H8-2N-2-T-M-U-H5-30
DG5V-H8-2N-E-M-U-H5-30
DG5V-H8-2N-T-M-U-H7-21
DG5V-H8-33C-E-M-U-H5-30
DG5V-H8-6C-M-U-H5-30
DG5V-H8-6C-T-M-U-H5-30
DG5V-H8-6C-VM-U-H5-30
DG5V-H8-6C-VM-U-H5-30
DG5V-H8-6C-VM-U-H5-30+977467
DG5V-H8-6C-VM-U-H5-40
DG5V-H8-6C-VM-U-H7-21
（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***，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 PV032R9K1T1NMMC
RZGO-TERS-PS-033/210
RZGO-A-033/210 31
比例换向阀D31FBE01D***NF00
电气插头 5004072
比例换向阀D41FHE01E4NB00
直动式溢流阀VSA315A0623
减压阀VM210A06VG
PARKER,631B-4-3/4-2
PARKER,PV140R9K1T1NFPR
D1VW008CNPEU
D1FPE50MB9HB7015TDL080 066030100252
D1FPE50MB9HB7015TDL100 066030100254
REXROTH,DBDS 10K 18/200
P0502R1C1000应该是P052R1CC1000 (022-08277-0)
AZPF-11-011RCB20MB
4D01-3101-0601-C1G0Q 026-54076-H
4D01-3208-0302-C1G0Q 026-54185-H
ZDV AB 01 1 S0 D1 098-91207-0
PVS16EH140C2
A10VSO 45 DFR/31R PPA12N00
PARKER,MVI600S,
PARKER,9MV800S，
PARKER电磁阀DX3-606-EX 220V
PARKER电磁阀DX3-621-70 220V
PARKER,D31FBE01D***NF00
A2FE160/61W-VZL181-K
PARKER,PGP517A0520CM1H3NP4P3B1B1
parker,D91FTE01HC1NF00，
parker,D41FTE01FC1NF00，
parker,D31FTE01C***NF00，
PARKER,PV140R1K1T1WFWS,
PARKER,PV028R1K1T1WMMC，
DHA/M-0639/0/PA-M 24DV
DHA/M-0713P/PA-M 24DC
rexroth,PGH4-2X/032RE11VU2
D1VW001KNJWI4N4D91
PV29-2R5D-C00
PV29-2R5D-F00
parker,7029111061
parker，D31FTE01CC1NF0038
PARKER,D31FBE01CC1NF0010
PARKER,PVP2336C9R21
PGP517A0520CT1D7NE7E6B1B1
PGP511B0270CA1H2NE6E5S-511A025
SDV-10610-3
力士乐：4WRAE10W1-60-22/G24K31/F1V
派克，CPOM2DDV56
丹尼逊，026-35050-V 4D0132080302C1W51
威格士，ST307-V2-350-B 现货
P2105R00C1C23LA20D00A1B1P派克柱塞泵
REXROTH,PV7-17/16-20RE01MC0-16
REXROTH,PV7-17/10-20RE01MC0-10
货期6个月
REXROTH,4WE6J6X/EG24N9K4/V
REXROTH,L***0A40D－7X/V
REXROTH,L***0A05D7X/
parker,D91FWE02HC2NLW0
098-91020-0 ZRE AB 01 D1
parker，NE0270BM050AAAB
PARKER液压马达 NE0270BM050AAAB
DTDA-MHN SUN
DTDA-MCN SUN
NFCC-HCN SUN
770-224 SUN
REXROTH,HED8 OA 2X/50K14S
rexroth，4WRA6V30-22/G24N9K4/V-589 ，
PARKER,PSB040AF1A，
PARKER,C02A3GZN，
PARKER,A02A2HZN，
PARKER,PSB040AF1A，
PARKER,C02A3GZN，
PARKER,A02A2HZN，
迪普马，DSA3-TA/11N
PARKER,DS083BH
PARKER,DS084B，
HAWE LHK 33G-21-100/100
A4VSO125DR/22R-PPB13N00现货
DPZO-AE-171-S5/E1
DKZOR-AE-171-S5/I-10
DPZO-AE-171-L5/WG
DPZO-AE-171-S5/E1
PARKER 放大器 EF41-EE0-41
PARKER,DS-4192-24
T6EE 062 045 2L01 A10 MO
T6CY 025 3L03 B1
D1VW078KNJGI4N4D91
D1VW001KNJWI4N4D91
D1VW020HNJGI4N4D91
D1VLB4CN 72
REXROTH,R900020299 VT3006-3X
VICKERS,DGMC-3-PT-GW-B-41
威格士，V6021V4C03 滤芯
rexroth,H-4WMM 16E-7X
R4U06-533-10-A1-099(026-43659-0)
D81VW002C2NJW
VICKERS,CVI-32-D10-H-40
丹佛斯压力传感器，MBS 3200 060 G5930
HAWE,R2.5
1PF2G2-23/004RA01MS由AZPF-11-004RAB01MB替代
威格士手动阀 DG17V-H8-8C-10
丹尼逊，T67CB-014-B02-1R24-A1M1 ，
威格士，KBCG-8-W350-3-ZM13APE7H110