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威格士电磁阀和安全阀为一体，组成先导式压力阀，该阀即是卸荷阀又是安全阀，有时又是溢流阀．卸荷时其控制油道贯穿各路换向阀，同前述卸荷油道．当各路换向阀处于中立位置时，卸荷阀的控制油道(见图1b和图2)贯穿各路换向阀并与油箱连通．卸荷时，大部分油液卸荷，通道短，压力损失低．任一路阀换向工作，便切断控制油道，油源来油就从换向阀进入执行元件工作，其工作压力大小由导阀控制．此时系统压力为导阀调整压力．该种卸荷方式，即使换向阀路数增加，只是控制油道增加，卸荷压力增加不大，始终保持较低卸荷压力，此种卸荷方式多用于手动换向阀，卸荷可靠． 威格士电磁阀(又是安全阀)的主阀按配合形式不同可分为三级同心、二级同心和滑阀式三类．其中滑阀式结构工作压力低，控制压力精度不高；三级同心结构虽成熟，目前应用较广，但与二级同心式比较，不及二级同心式动作灵敏，规格相同，行程相同时，二级同心结构的通油能力远大于三级同心结构.
DG4V-3 2A MU B6.60 110-120V DG4V-3 2C MUB6.60 110-120V
DGMC3 PTCW41 DGMXZ3 PPBW.B40 DGMXZ3PBBW40 DG4V-3-6C-M-U-H7-60
DG4V-5-2CJ-M-U-H6-20 DG4V-3-6C-M-U-H7-60 DG4V-5-2CJ-M-U-H6-20
DG4SH-012N-U-B-60 DG4V-3-2A-M-PA3-WLB-40 110V
EHST-3-FVE-30 MS3106A-14S-6S RVH113QIC-RSF-13S-10-C25-31
DG4V4-O12A-M-W-B5-10 DG4S4-012N-U-B-60 DG4S4V-3-2A-M-PA3-WLB-40 110V
168CU.IN/REV #D07AA2 3/8" NPT #CVH05-0375N 3/8"-6SAE#1DR35P6T20S
4CG10A20UC 02-123993 PQ3/04 PN 507826，220VAC，50HZ
25VTBS17A2202AA22 EEA-PAM-513-A-32 L250D-Z-M-U-H110P15-T10
4CG10A20UG PN507826 220V DG4V-3-6C-M-U-H7-60
DG4V-5-2CJ-M-U-H6-20 EEA-PAM-513-A-32 EEA-PAM-553-A-32
BKE-40-60M BKE-4-60M C-175-B-20 DG17S4-0133C-50
DG4S4-LW-012A-B-60 DG4S4-LW-0133C-B-60 DG5S-8-2A-T-K-M-F-WL-B-5-30
DG5S-8-2A-T-M-F-WL-B-5-30 DG5S-8-2C-T-M-F-WL-B-5-30
DG5S-8-2N-T-M-F-WL-B-5-30 DGFN-06-50 DGMFN-5-Y-A2W-30
DGMX2-5-PP-BW-S-50 DGX-06-1F-60 PN 507826 220VAC
PN507826 PQ3/20 AXFH30016S630000010GE DG432AMUH760
DG436CMUH760 DGMFN-3-Y-A2W-B2W41
DGMP-3-ABK-BAK-41 DGMX2-3-PP-C-K-B-40 VVA80R CBKW10
KBF DG4V M338 CV31ON P003 M348 NV1-10-K-0 M403 RV10-10-C-0-10
M407 PRV1-10-S-0-6 M430 RV8-10-S-0-50 DG4V-5-2C-J-MU-H6-20
CKI-80 1.6A CKI-80 125A CKI-80 25A CKI-80 40A CKI-80 6.3A
DG4V-3-6C-M-U-H7-60 PN507848 24V DC 30W PVB20-R5-20-CM-11
DG4V-3-30C-HCH5-60 DG4V-3-3C-HCH5-60 DG4V-3S-6C-HC5-60
DG4V-33-0C-HCH5-60P/0 DG4V-3S-6C-HCH5-60 ST401-AG41-24V
H507848 24v dc30w DG4V-3S-2A-M-U-C5-60 DG4S4-018C-50-JA-S87 EEA-PAM-571-A-14 DG4V-3-2A-M-U-H-40 DG4V-3-6C-M-U-117-60
DG4V-3S-013-20G-M-U-11L5-60-IN11 DG4V-5-2A-M-U-H-20
DG4V-5-2CJ-M-U-20-DC DG4V-3-2A-M-V-H-4O DG4V-3-6C-M-V-117-60
DG4V-3S-013-20G-M-V-111-5-60-IN1 DG4V-5-2A-M-V-H-20 DG4V-5-2CJ-M-V-20-DC
DG4V-3-2A-VM-U-A7-60 DG4V-3-2A-M-U-H-40
DG4V-3-6C-M-U-117-60 DG4V-3S-013-20G-M-U DG4V-5-2A-M-U-H-20
DG4V-5-2CJ-M-U-20-DC ST307-350-B 2~15MPA DG4V3 2C M U H7 60
DG4V3 2C MUH760 DG4V3 35AMS6 UH760 DG4V5 31CJMUH620
KCG 3 250 D Z M U H1 10 KTG4V3 2B20N Z M U H7 20 KTG4V3 2B20N ZMUH760
KTG4V5 2B50NZMUH730 PVQ20 B2R SE1S 20CG20 ST307-150-B (2-15MPA)
ST307-350-B ST307-V2-350-B 02-137201-1 2520V21A5 1AA22R
KTG4V 3 35A M S6 U H7 60 KTG4V 5 2B50N Z M U H7 60 KTG4V 5 31VJ M U H6 20
DG4V 5 31CJ M U H6 20 KBDG5V-5-2C90N-X-T-Z-M1-PE7-H1-1
KBDG5V-8-2C330N-T-M1-PE7-H1-11 KBFDG5V-5-2C95N-X-M1-PE7-H4-10
KBFDG5V-7-2C200N-X-M1-PE7-H410 PVH089R01AD30A250000002001AE010
RV510SO35 DG18V-3-6C-P-60 DG4V-3-2A-M-U-H-40 DG4V-3-6C-M-U-H7-60
DG4V-3S-0B-206-M-U-HL5-60-EN116 DG4V-5-2A-M-U-H-20
DG4V-5-2CJ-M-U-20-DC 2520V21A11-1AA CVI-25-D10-2-M-10 CVI-25-D20-2-M-10
DG3VP-30-102A-VMU-D-10 DG4V-3-8C-VMU-C660 DG4V-3-8C-VMU-C661
DG4V-3S-2A-M-U-B5-60 02-336340 110V/50HZ 1.0AMP A17 HV30/6-75
KFDG4V-5-33C50N-Z-VM-U1-H7-20 ST30-1536PA DGMFN-3-XA2WB2W-41
02-104808 EEA-PAM-523-A-32 KFDGSV7.33C160NXVM
DZ4V-3S-DC-M-FPA3WL-H5-60 DC24V DZ4V-3S-DC-M-FPA3WL-H5-60 插头
RV5-10-S-0-35/31 02-178117 CKIF-00TAC DG4V-3S-2A-M-FW-B5-6O
DGMDC-3-Y-PK-41 DGMPC-3-ABK-BAK-41 4SVS0A-86B20-282 0.000597.G
PVHS7QIC-RF-IS-10-C25-30 507826 SV9-8N-E-M-0-120AG
V20-1P8P-1C-11R DG4L-3-20-PL2-T-10 DG4L-3-2N-PL2-T-10
DGMFN-3-Y-AIW-BIW-41J DGMPC-3-ABK-BAK-41J TCG20-06-F-11
URG1-06-FV-13-JA-S1-J URG1-10-FV-12-JA-S1-J DG4V-3S-2C-M-U-H5-60
2520V21A5 1AA22R DGMPC-3-ABK-BAK DG4V3S-2C-MUH5 60
074A0200DWG-DGMA-8-W-10 DACG-3-100-D-Z-M-2-PD7-H1-10
DG4V-3-2C-VM-U-H7-60 DG5S-H8-6C-T-M-U-H5-50 DGMC2-3-AB-CW-BA-CW-41
DGMFN-5-Y-A2W-B2W-30 DGMPC-5-ABM-BAM-30 DGMPC-5-ANM-30
DGMPC-5-BAM-30 DGMR-5-A1-FW-30 DGMR-5-B1-FW-30
DGMX2-5-PB-FW-B-30 DGMX2-5-PB-FW-RC-B-30 DGPC-06-AB-51
DGX-H06-2-60 KADG4V-3-2C13N-Z-M-F-PD7-H7-61-E
KADG4V-5-33C50N-Z-VM-F-PD7-H7-31 PVXS-180M04R0001R01SVVADF000A
DG4S4-012N-U-B60 DGMPC-5-ABM-30 KACG-3-100-D-Z-M-2-PD7-H1-10
VIPA SM231-1BD52 DBMC(2)-3AT-CH(-BT-CH)-40 DG4V-3-2A-M-U-C-60
DG4V-3-3C-H-L-CDL-60 DGMC-3-PT CH 40
PVQ20-B2R-SE1S-10-C21-11 RVP12-01X DG4V-3-6C-M-VI-T-7-52 0805/12V
V201P8P 1C11 DG4V-3-2C-H-L-CDL-60 DG3VP-3-102A-VM-UH-10
02-178049，240V PVQ20 B2R SSIS 20 CD21D 20
PVQ20 B2R SSIS 21 C21D 12 1A07RP01GM DG4V-3-2A-MUH-60
DG4V-5-2A-MUH-60 SG307-F-350 H 507848,PQ05/05
H 507848,PQ06/05 H 507848,PQ07/05 H 507848,PQ3/04
VIPA VIPA 221-1BH10 DI16*DC24V DG4V-3-2A-M-U-D6-60 DG4V-3-6C-M-U-D6-60
DG4V-3G-OC-M-U-D5-60 DG4V-3-OB-M-U-D6-60 507826(220V)
507828(24V) 507834(220V) VT-VSPA2-50-10/T1 EEA-PAM-513-A-32
EEA-PAM-523-A-30 EEA-PAM-523-A-32 CVCS25 03 B29 M35011
EPV-16-B-10-S-5C-24D-M-U-13 EEA-PAM-520-A-14 KDG4V 3 2ALMUH760
02-178049 240V 507826(220V) 507828(24V) 507834(220V)
DG4V-5-2A-M-U-C6-20 DGMC-5-PT-FW-B-30 RV3-10-C-0-18
5000PSI DRV-12-01.syg p1/5 879239 DG4S4 0120 U H 60
DG4V-3C-2C-M-U6-H5-60 DG4V-3S-2A-M-U6-H5-60 DG4V-3S-2B-M-U6-H5-60
DG4V-3S-2C-M-U-H5-60 DG4V-3S-6C-M-U6-H5-60 DG4V-3S-8B-VM-U6-H5-61
DG4V-3S-8C-VM-U6-H5-61 DGMC2-3-AT-GW-BT-GW-41 DGMC-3-ABK-BAK-41
DGMFN-3-Z-P2W-41 DGMR-3-TA-FW-S-40 DGMX1-3-PP-BW-B-40-EN12
DGNFN-3-Y-A2W-B2W-41 KFDG4V 3 86639 12 DGMX1 3 PP
KFDG4V-3-2C20N-Z-M-U1-H7-20 KDGM KFDG4V-3-33C20N-Z-M-U1-H7
KFDG4V-3-866340-12 KFDG5V-8-33C270N-X-VM-U1-H1-12
MR-3-TA-FW-S-40 RANGE MIN TO 1000PSI MODLE XCS
RCT-03-B-2290 0210 B507833 DG4V 26C MU B660 AC110
DG4V 30C MU B660 AC110 110A-106-APE17901A032
MF030926AAAA31004AB1216 PV020-B2R-SE28S-21-021-12055
PVQ20-B2R-SE-1S-21-021-1205802-3 PVQ20-B2RSE1S-21-C21-1203702-341
PVQ20-B2R-SE28S-21-021-1201102-4 PVQ20-B2RSE3S-21-C21V11B-130410
PVQ40AR02AA10A21000001AE100CD0AE PVQ40AR09AB10G2100000200100CD0AE
PVQ45AR02AA10A18000001AE100CD0AE TE0050FS260AAAA
TE0050FS260AAAA09405AD TE0050FS260AAAA2705AB0636
TE0050FS260AAAAMF030926AAAA TE0050FS260AAAAMF030926AAAA3
TE0050FS260AAAAMF030926AAAA31 TE0050FS260AAAAMF030926AAAA310
TE0050FS260AAAAMF030926AAAA3100 TE0050FS260AAAAMF030926AAAA31004
TE0195AS260AAAA18705AD2261 TG0335AH050FSAA30604A1270
TG0405AH03AAAA32204B0508 TG0405AH03AAAA32204B0605 TG0405AH03AAAA32204B0606 TG0405AS030FSAB28604AA0297
DG4V 3S 2A HU H5 61 DG4V 3S 2AL MU H5 60 DG4V 3S 6C HU H5 60
DG4V 3S 6C MU H5 DG4V 3S ZO MU H5 60 FCG 03 28 22 S10
DG4S4-002A DC24V DG4V-3-63-MUHT60 02-178049 AC240V CG5V-6GM-DVM-U-H5-20 DG4V-3S-OB-VM-U-H5-60 DG4V-5-6CJ-MU-H6-20
DGMC2-5-AT-FW-BT-B-30 DGMC-5-AT-FW-B-30 DGMC-5-PT-AW-B-30
DGMPC-5-DABK-30 DGMX2-5-PP-AW-B-30 DGMX2-5-PP-FW-B-30
DHMC2-5-AT-FW-BT-FW-B-30 KBSDG4V-5-92L-25-PE7-H7-10 PCGV-8A-10
XCG2V-6CW-10 KBFDG4V-3-2C20N-Z-PH7-H7-10 02-160704 240VAC
02-178049 240V 071037 L4201 230V/50 507826（220V） 507828（24V）
507834（220V DBW 10 B1-52200-6EW230N9K4 DGMC-5-PT-FW-B-30
RV10120-01X-0.5 TA064-12Y-M25 EE-04051-042 EEA-APM-525-A-32
VIPA VIPA 222-1BH10 DG4V-3-6C-M-U1-T-7 0805/12V
PVWS-360-M07R001R1SVV PVXS-250-M-R-DF-0000-00 DG4V3S2AMFWB560
DG4V3S2NMFWB560 DGMFN3TA2WB2W41 XG103B30 02-178049，AC240V DG4V-3-OA-M-U-H5-60 DC24V DG4V-3-OA-M-U-H7-60 DC24V
DG4V-3S-6C-M-U-H5-60 DC24V DG4V-3S-7C-M-U-H5-60 DC24V DG4V-3S-OB-M-U-V-H5-60 DC24V DG4V-3S-OB-M-U-V-H7-60 DC24V
DG4V-3-2A-MU-C6-60 DG4V-3-2C-MU-C6-60 DG4V-3-6C-MU-C6-60
DG4V-5-6C-MU-C6-20 KCG-3-100D-Z-M-U-H1-10 MSCD512424DGS
EHH-AMP-802-D-20 PVHS7QIC-RSF-IS-10-C25-30 DG4S2L012A 110VAC 50 50UGLH
DG4S2L012N 100VAC 50 51UG DG4SL016C 110VAC 50 50UG DG4V32AJLB 10 S300
DG4V32AMJLB A730 DG4V32NJLB 11 S300 Q24DF 24VDC 压力1.0MPA
DG4V3S-2L-MUHS-60 EEA-PAM-523-A-32 DG4V-3S-2A-M-U-C5-6
DG4V-3-2N-H-M-86-UL-A6-60 TEXXDWGAAIFATL769
DG4V—5—6CJ—M—U—H6—20 PVB10RSY40CMC11
507827 ED 507827 240V50HZ PQ2/04 25V-21AM-1B-22-R
BSCYG9010 (0-20MPA) CG5V-6FW-D-M-U-H5-20
DG4V-3S-2C-M-U-H5-60 DGMFN-3S-6C-M-U-H5-60
DGMFN-3-Y-A2W-B2W-40 DGMFN-7-Y-A2H-B2H-10 DGMPC-7-ABK-BAK-11
DGMX2-3-PP-FW-B-40 KADG5V-7-2C180N-X-T-M-F-PD7-H-1-
KADG5V-7-33C170N-X-T-M-F-PD7-H-1 YN-100 (0-20MPA) ST307-350-B
25V-21AM-1B-22-R DG4V-3S-2AC-M-U-H5-60 DG4V-3S-6C-M-U-H5-60
DG4V-3S-OB-M-U-V-H5-60 021389 XE312 DC24V 1.25A 8240200.9101 230V 7W
DG4V-5-6BL-M-PL AC220V DG5V-H8-8C-P2-D-82-JA AC220V
DG4V32AMUC660 220V 50HZ DG4V-3-2C-M-U-C6-60 220V50HZ
DG4V-3-6C-M-U-C6-60 220V50HZ GDML 2011;LED230VRYE
KDG4V333C07NZMUH760 1.6A O2-178117 240VAC
DG5V-7-6C-T-MN-H5-40 CG5V-6FWDMUHS20 DG4V-5-2CJ-V-M-U-H6-20
DG4V-5-2NJ-V-M-U-H6-20 DG4V-5-6NJ-V-M-U-H6-20 DGMC2-5-AB-FW-BA-FW-30
DGMDC-5-ABN-OAN-30 DGMFN-5-Y-A2W-B2W-30 DGMX2-5-PA-FW-S-30
DV4V-3S-OB-M-U-H6-20 FVH074R01AB/0A25000000/001AB01 KBDG5V-5-33C80N-7-M-H1-10 EEA-PAM-525-A-32 DG4V-3 2AL MU DJT.60
EEA-PAM-523-A-32 DG5V-7-6C-T-P2-V-82 DG4V-5-2CJ-M-U-H6-20
DG4V-5-2NJ-M-U-H6-20 DG4V-5-6CJ-M-U-H6-20
DG4V-3S-2C-M-FW-D5-60-EN492 220V DG4V-3-2AL-MUH7-60
KDG4V-5-2C65S-ZMUH6-30 RV5-10-S-0-35 DG4V3OBMUH760
DG5V8GWDMUH711 4783233-644 24VDC 420BARM EEA-PAM-523-A-32
DG4S4-016C-50 KTG4V-3S-2B08N-M-H5-60-EN427
PVHD98R01AJ30A000000/00/AB010 PVH098R01AJ30A000000/00/AB010
D4-2BZ-02-A ＰＶＨ０９８Ｒ０１ＡＪ３０Ａ２５ ２５Ｖ１７Ａ１Ａ２２ＬST307-350-B Pv=20-350Bar Pmax=60 ST307-50-B 20-350bar
SN9-8N-E-M-0-00-115A-G DG4V-3-2A-A-D24-6Y DG4V-5-0A-A-D-24-6Y
DG5V-7-2C-6Y-D24-A 24VDC EHA-PSU-704-A3.5-20 EEA-PAM-513-A-32
WS1562B 25V17A-1A22L PVHO98R01AJ30A250000001001AB010A
EEA-PAM-513-A-32 EHA-PSU-704-A3.5 20 DG4V 36C MU H760,24VDC H507848
MFJ6-18YC 220VAC 50VA PA&B-350BAR DG4V 32A EEA-PAM-568-A-32
DL4V-3X-2A-M-U-D5-60 EEA-PAM-571-A-14 361741 LHATTE60-10
PVB20RS20C11 PVH57QIC RSF IS10C25 DG4S4-016CB60
DGMX2-5PP-FW-S-30 EVD2-2988 PVH74Q1C-13S-10HC-30
US-40 DG4V-3-8C-M-C-C6-60 DG4V-5-2N-M-U-C6-60
EEA-PAM-523-A-32 EEA-PAM-533-C-32 EEA-PAM-535-A-32
CG5V-6GM-DMU-LH-20 CG5V-8GW-DMU-H5-20 PVXS-180-M-R-DF-0000-000
CBV1-10-C-0-A-30/603 DGMPC-5-ABK-30 DGMPC-5-ABK-BAK-30
24VDC30W EHA-PSU-704-A3.5-20 24VDC KDG5V733C170NTMUH110
DG4V-3-2A-M-U-C-60 DG4V-3-2C-H-U-L-CDL-60 DG4V-3S-6C-M-FW-B5-60
KDG5V733C170NTMUH110 DG4V-3-2A-M-U-H7-60 DG4V-3-2N-M-U-H7-60
DG4V-5-6C-M-U-H6-20 DG5Y-7-2N-T-M-U-H5-40
DGMFN-3-X-A2W-41 进口节流 DGMFN-3-X-A2W-B2W-40 进口节流
DGMFN-3-Y-A2W-41 出口节流 DGMFN-5-X-A2W-B2W-30 RCG-06-B-1-23UG
XG2V-6-FW-B-10 4WMM10J3X XG2V8FW10 XT063F23UB ＤＧ４Ｖ-３Ｓ-２Ａ-Ｍ-Ｕ-Ｈ５-６ ＤＧ５Ｖ６ＧＷＯＭＵＨ７１１ ＤＧＭＣ３ＰＴＣＨＢ４１ ＤＧＭＤＣ３ＰＴＣＨＢ４１
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PN507848 24VDC KCG-6-W-250-Z-M-U-H1-10 CVU 40 EC B29 250 30
SV9-8N E M O 120AG ＤＧ５Ｖ-７２ＣＭ-Ｕ-Ｈ５-４０ DG4M4-34C-20-JA
DG4V-3-2AL-MU-H7-60 DG4V-3-2C-M-U-D6-60 DG4V-3-2C-M-U-H7-60
DG4V3S.2A.H.VM.T.TJL.H5.60kg DG4V3S.2AL.H.VM.FTJL.H5.60kg
DG4V3S.7C.H.VM.FTJL.H5.60kg DG4V3S.DC.H.VM.FTJL.H5.60kg
VICKERS威格士 VICKER叶片泵 VICKERS威格士电磁阀 VICKERS单向阀 VICKERS威格士PVH变量柱塞泵
