威格士比例阀KDG4V-3-33C-30X-M-U-H7-60 一种是开关控制:要么全开、要么全关,流量要么最da、要么最小,没有中间状态,如普通的电磁直通阀、电磁换向阀、电液换向阀。
另一种是连续控制:阀口可以根据需要打开任意一个开度,由此控制通过流量的大小,这类阀有手动控制的,如节流阀,也有电控的,如比例阀、伺服阀。
所以使用比例阀或伺服阀的目的就是:以电控方式实现对流量的节流控制(当然经过结构上的改动也可实现压力控制等),既然是节流控制,就必然有能量损失,伺服阀和其它阀不同的是,它的能量损失更大一些,因为它需要一定的流量来维持前置级控制油路的工作伺服阀的主阀一般来说和换向阀一样是滑阀结构,只不过阀芯的换向不是靠电磁铁来推动,而是靠前置级阀输出的液压力来推动,这一点和电液换向阀比较相似,只不过电液换向阀的前置级阀是电磁换向阀,而伺服阀的前置级阀是动态特性比较好的喷嘴挡板阀或射流管阀。DG4V-5-3CJ-M-U-H6-20
KCG-3-160D-Z-M-U-HL1-10
EPV16-A-24D-S-U-13
CT-10-B-30
CVCS-40-U-S2-Wnbsp;
PVQ40AR02AA10GCD0A
CVI-16-D10-M-40
DG4V-5-0CJ-M-U-H6-20
DG4V-5-0AL-M-U-H6-20
DG4V-3-0B-M-U-H7-60
CG5V-6GW-OF-M-U-H5-20
CG5V-8FW-OF-M-U-H5-20
EEA-PAM-561-A-32
DG4V-5-33CJ-M-U-H6-20
DGMPC-5-ABK-BAK-30
DG4V-3-2A-M-U-H7-60
CG2V-6FW-10
XG2V-6FW-10
CVU-32-EFP1-Bnbsp;
KDG5V-7-33C170N-T-M-U-H1-10
KDG4V-3-33C-30X-M-U-H7-60
DG4V-3-2A-M-U-H7-60
CG2V-6FW-10
XG2V-6FW-10
CVU-32-EFP1-Bnbsp;
KDG5V-7-33C170N-T-M-U-H1-10
KDG4V-3-33C-30X-M-U-H7-60
CVCS-16-C-S2-Wnbsp;
CVI-40-U-40
DG4V-3-6C-M-FPBWL-D6-60
DGMDC-3-Y-AK-BK-41
DGMX2-5-PP-BW-S-30
DG4S4W-012A-B60-S
DG5S-8-9A-8-M-FTWL-B5-30
DGMX2-3-PP-BW-S-40
DG4S4W-012A-B60
DG5S-8-8C-E-VM-FTWL-B5-30
DGMX2-3-PA-BW-S-40
DG4V-3S-6C-M-FTWL-B5-60
DGMDC-3-Y-PK-41
DG4V-3-2A-M-U-B6-60
PVH098R01AJ30AAB010A
PVH098R01AJ30BAB010A
CG5V-6FW-D-M-U-H5-20
DGMC2-3-AB-CW-BA-CW-41
DGMC2-5-AB-FW-BA-FW-30
HL161D386NVC03-FILTER-ASSEMBLY
DG4V-5-2BLJ-M-U-H6-20
SM0-20
HF4RT1ME386NBC10
PVH098R13AJ30AAE010A
DG4V-3-8C-M-U-H7-60
DG5V-7-5-2C-2-M-U-H5-40
DG3VP-3-103A-V-M-U-H-10
DG3VP-3-102A-V-M-U-H-10
PCGV-6A-1-10
KHDG5V-5-33C80N-X-VM-U1-H1
35V38A-1C22R
PA5DG4S4LW-016C-B-60
DG5S-8-2N-M-FPA5WL-B5-30
V6021B2V05-FILTER-ELEMENT
PA5-DG4S4-LW-012C-B-60
PA5DG4S4LW-012N-B-60
DGMFN-5-Y-A2W-B2W-30
DGMPC-3-ABK-BAK-41
C2-524-C
DGMX2-5-PP-BW-S-30
DG4V-3S-6C-M-FPA5WL-B5-60
DG5V-8-S-2N-M-FPA5WL-B-1-0
PA5DG4S4LW-012A-B-60
DG4V-3S-6B-M-FPA5WL-B5-60
DG5V-8-S-2A-M-FPA5WL-B-1-0
FN-03-20
DG4V-3S-2C-M-U-D5-60
DG4V-3S-7C-M-U-D5-60
PVQ20-B2L-SE1S-21-C21-12
CV2-20-P-0-15
DGMX2-5-PP-GW-E-B-30
RV5-16-S-0-30
RV8-10-Snbsp;
DGMFN-5-X-A2W-B2W-30
V0211B1R10
W0211-B2-W10
50
CV1-16-P-0-5
CG5V 8GW OF M U H5 20
DG5V-7-2N-2-M-U-H5-40
DG4V-3S-2N-VM-U-H5-60
DGMPC-5-ABK-BAK-30
KHDG5V833C250N170EXVMU1H
CV1-16-P-0-5
PCGV-6FD-1-10
DGMPC-7-ABK-15
CV2-20-P-0-5
PCGV-8FD-1-10
XG2V-8CW-10
DGMPC-5-ABM-BAM-30
DGMPC-7-BAK-15
RV3-10-S-0-36
DG4V-5-2NJ-M-U-H6-20
DG5V-7-6C-M-U-H5-40
CG5V-6GW-0F-M-U-H5-20
PVM131ER10GS04AAAA0A
DGMFN-3-Y-A2W-B2W-41
DGMX1-3-PP-CW-B-40
DGMX1-3-PA-CW-B-40
CGR-02-B-21UG
DGMC-3-PT-BW-B-41
DG4V-5-2NJ-M-U-H6-20
PVH098R13AJ30EAD1AE010A
M0210C02A0000F
SM/40-50-S10
C2-
M0219C02A0000F
nbsp;
nbsp;
PVQ40B2R-SE1F-20-C21D-12
PVQ40AR01AB10ACD0A
50
DG4V-5-2AJ-Z-M-U-H6-20
PVH141R13AG30BAB010A
4525V-42A21-1AC-22R
4525V-42A21-1AC-22R
4525V-42A21-1AC-22R 泵芯42
4525V-42A21-1AC-22R 泵芯21
50
CVI-40-X2-40
PVM045ER05CS02AAAA0A
DGMFN-7-Y-A2H-B2H-20
DGMPC-7-ABK-15
DGMPC-7-ABK-BAK-15