點(diǎn)擊圖片查看大圖 定壓溢流作用：在定量泵節(jié)流調(diào)節(jié)系統(tǒng)中，定量泵提供的是恒定流量。當(dāng)系統(tǒng)壓力增大時(shí)，會(huì)使流量需求減小。此時(shí)溢流閥開啟，使多余流量溢回油箱，保證溢流閥進(jìn)口壓力，即泵出口壓力恒定（閥口常隨壓力波動(dòng)開啟）。
穩(wěn)壓作用：溢流閥串聯(lián)在回油路上，溢流閥產(chǎn)生背壓，運(yùn)動(dòng)部件平穩(wěn)性增加。
系統(tǒng)卸荷作用：在溢流閥的遙控口串接溢小流量的電磁閥，當(dāng)電磁鐵通電時(shí)，溢流閥的遙控口通油箱，此時(shí)液壓泵卸荷。溢流閥此時(shí)作為卸荷閥使用。
安全保護(hù)作用：系統(tǒng)正常工作時(shí)，閥門關(guān)閉。只有負(fù)載超過規(guī)定的極限（系統(tǒng)壓力超過調(diào)定壓力）時(shí)開啟溢流，進(jìn)行過載保護(hù)，使系統(tǒng)壓力不再增加（通常使溢流閥的調(diào)定壓力比系統(tǒng)工作壓力高10%～20%）。
實(shí)際應(yīng)用中一般有：作卸荷閥用，作遠(yuǎn)程調(diào)壓閥，作高低壓多級(jí)控制閥，作順序閥，用于產(chǎn)生背壓（串在回油路上）。
溢流閥一般有兩種結(jié)構(gòu)：1、直動(dòng)型溢流閥 。2、先導(dǎo)式溢流閥。
對(duì)溢流閥的主要要求：調(diào)壓范圍大，調(diào)壓偏差小，壓力振擺小，動(dòng)作靈敏，過載能力大，噪聲小。
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力士樂元件型號(hào) Z1S6C1-3X/V Z1S6PO5-4V/V Z2S6-1-6X Z2S6-2-6X Z2S6A-2-6X Z2S6B-1-6X Z2S10-1-3X Z2S10-2-3X 4WE6C6X/SG24N9K4 4WE6D6X/SG24N9K4 4WE6Y6X/SG24N9K4 4WE6EA6X/SG24N9K4 4WE6EB6X/SG24N9K4 4WE6HB6X/SG24N9K4 4WE6E6X/SG24N9K4 4WE6J6X/SG24N9K4 4WE6M6X/SG24N9K4 4WE6L6X/SG24N9K4 4WE6H6X/SG24N9K4 4WE6E6X/SG24N9K4 4WE6G6X/SG24N9K4 4WE6C6X/EG24N9K4 4WE6D6X/EG24N9K4 4WE6Y6X/EG24N9K4 4WE6EA6X/EG24N9K4 4WE6EB6X/EG24N9K4 4WE6HB6X/EG24N9K4 4WE6HA6X/EG24N9K4 4WE6E6X/EG24N9K4 4WE6J6X/EG24N9K4 4WE6JB6X/EG24N9K4（雙頭改單頭） 4WE6M6X/EG24N9K4 4WE6L6X/EG24N9K4 4WE6H6X/EG24N9K4 4WE6U6X/EG24N9K4 4WE6GA6X/EG24N9K4 4WE6G6X/EG24N9K4 4WE6D6X/OFEG24N9K4 M-3SEW6U32/420MG24N9K4 M-3SEW6C32/630MG24N9K4 4WE6D62/EW230N9K4 4WE6Y62/EW230N9K4 4WE6E62/EW230N9K4 4WE6J62/EW230N9K4 4WE6G62/EW230N9K4 4WE6D61/EW230NZ4/V 4WE6D62/EW110N9K4（改線圈） 4WE6E62/EW110N9K4（改線圈） 4WE6J62/EW110N9K4（改線圈） 4WE6G62/EW110N9K4 4WE6R73-6X/EG24N9K4/A12 4WE6D53/OFAW110N-50N24 4WE10D3X/CG24N9K4 4WE10EA3X/CG24N9K4 4WE10EB3X/CG24N9K4 4WE10Y3X/CG24N9K4 4WE10E3X/CG24N9K4 4WE10J3X/CG24N9K4 4WE10L3X/CG24N9K4 4WE10U3X/CG24N9K4 4WE10C3X/CG24N9K4 4WE10G3X/CG24N9K4 4WE10H3X/CG24N9K4 4WE10D3X/CW230N9K4 4WE10E3X/CW230N9K4 4WE10J3X/CW230N9K4 4WE10G3X/CW230N9K4 4WE10H3X/CW230N9K4 4WE10D3X/CW110N9K4（改線圈） 4WE10H3X/CW110N9K4（改線圈） 4WEH16C7X/6HG24N9K4 4WEH16EA7X/6HG24N9K4 4WEH16Y31-7X/6HG24N9K4 4WEH16D7X/6HG24N9K4 4WEH16E/6HG24N9ETK4 4WEH16J7X/6HG24N9ETK4 4WEH16L7X/6HG24N9ETK4 4WEH16U7X/6HG24N9ETK4 4WEH16D7X/6EG24N9ETK4 4WEH16EA7X/6EG24N9ETK4 4WEH16EB7X/6EG24N9ETK4 4WEH16E7X/6EG24N9ETK4 4WEH16J7X/6EG24N9ETK4 4WEH22Y31-7X/6HG24N9ETK4 4WEH22E7X/6HG24N9ETK4 4WEH22J7X/6HG24N9ETK4 4WEH22U7X/6HG24N9ETK4 4WEH22L7X/6HG24N9ETK4 4WEH22E7X/6AG24N9ETK4 4WEH22D7X/6AG24N9ETK4 4WEH22J7X/6AG24N9ETK4 4WEH22E7X/6EG24N9ETK4 4WEH22D7X/6EG24N9ETK4 4WEH22J7X/6EG24N9ETK4 4WEH22E7X/6EW230N9ETK4 4WEH22D7X/6EW230N9ETK4 4WEH22J7X/6EW230N9ETK4 DBDS6K-18/315 DBDS6P1X/315 DBC-2-5X/315 DBDS10K-18/315 DB10-1-4X/50UW65 DB10-1-5X/200 DB10-1-5X/315 DB20-1-4X/50UW65 DB20-1-5X/200 DB20-1-5X/315 DBW10B1-5X/200-6HG24N9K4 DBW10B1-5X/200-6SG24N9K4 DBW10B1-5X/200-6EG24N9K4 DBW10B1-5X/200-6EW230N9K4 DBW10B1-5X/315-6HG24N9K4 DBW10B2-5X/315-6EG24N9K4 DBW20B1-5X/315-6HG24N9K4 DBW20B2-5X/315-6EG24N9K4 DBW20B1-5X/350-6SG24N9K4 DBW20B1-5X/350-6EG24N9K4 DBW20B1-5X/350-6EW230N9K4 DBW30-52/315-6EW230N9K4 ZDB6VB2-4X/200V ZDB6VP2-4X/200V ZDB6VP2-4X/315? DR6DP2-5X/75YM ZDR6DA2-4X/75YM ZDR6DA2-4X/75Y ZDR6DA2-4X/150Y ZDR6DP2-4X/75YM ZDR6DP2-4X/150YM ZDR6DP2-4X/210YM DR10-4-4X/100YM DR10-5-5X/100YM DR10DP2-4X/150YM DR10-5-5X/200YM ZDR10DP2-5X/150YM ZDR10DP2-5X/210YM Z2FS6-2-4X/2QV Z2FS10-5-3X/V LC32A-20D-7X LC40A-20D-7X LC40A-20E-7X LC50A-20D-7X LFA25DBWD2-6X/050 LFA32DBWD2-7X/050 HED-80A12/315 K14KW HED-80P12/315 K14KW HED-80H12/315 K14KW 4WREE10E50-2X/G24K31/A1V 4WREE10E75-2X/G24K31/A1V 4WRKE16E-125L3X/6EG24EK31/A1D3M 4WRKE16E-200L3X/6EG24EK31/A1D3M 4WRKE25E350L3X/6EG24EK31/A1D3M 4WRKE25E500L3XH/6EG24EK31/A1D3M DBET-5X/180G24K4M DBET-5X/200G24K4M DBEM10-5X/200YG24K4M DBEM20-5X/200YG24K4M A10VSO18DFR1/31R-PPA12N00 A10VSO28DFR1/31R-PPA12N00 A10VSO45DFR1/31R-PPA12N00 A10VSO58DFR1/31R-PPA12N00 A10VSO71DFR1/31R-PPA12N00 A10VSO100DFR1/31R-PPA12N00 A10VSO140DFR1/31R-PPB12N00 A10VSO71DFR1/32R-VPB12N00 A10VSO100DFR1/32R-VPB12N00 A10VSO140DFR1/32R-PPB12N00 PVV2-1X055RA15DMB PVV2-1X068RA15DMB? PVV21-1X1060-018RA15DLMB
C5GV-825UG
CG2V-8FW-10
CG2V-8BW-10
CG2V-6FW-10
PCGV-8FD-1-10
CG2V-6GW-10
CG2V-6GW-1-10
CG2V-6FM-10
CG5V-6CK-D-M-U-H7-11
F3 CG2V 6FW 10
XCG2V 6BW 10
CG2V 8CW 10
PCG5V 8A 1 E VM U H5 11
CG2V 8GW 1 10
PCG5V-6A-1-E-M-U-H5-20
CG2V 8BM 10
CG2V 8CM 10
F3 CG2V 8FW 10
CG3V 6BW 10 EU55
CG3V 6CW 10 EU55
CG3V 6FW 10 EU55
CG3V 6GW 10 EU55
CG3V 8BW 10 EU55
CG3V 8CW 10 EU55
F3 CG2V 6BW 10
PCG5V 8AD 1 E M U H5 20
CG2V 8GW 10
RCG 10 F4 22UG
XG2V 8GW 10
ECT 10 F 10TB
FN 03 20 B
DT8P1 06 5 11 ENB
DT8P1 10 65 11 ENB
DT8P1 10 30 11 ENB
RCG 10 D4 22UG
EURG2 06 B 13UG
RCG 10 F3 22UG
EFN 06 21 B
DT8P1 06 30 11 ENB
RCG 10 FP1 22UG
XT 06 2B 23UB
XG2V 8CK 10
DT8P1 03 30 10UB
DT8P1 03 5 10UB
XCG2V 6GW 10
DT8P1 10 5 11 ENB
XG2V 6BW 10
ECT-10-C-10TB
RG 10 F4 22UG
RG 10 Y1 22UG
4CT1 06 A 21UB
CG5V 6CW D M U H5 20
XT 06 3F 23UB
F3 ECT 10 B 10TB
EFN 10 11 B
XG2V 6AW 10
EFN 06 21 F
XG2V 6CW 10
XG2V 6FW 10
XG2V 6GW 10
XG2V 6BK 10
XG2V 8BW 10
XG2V 8CW 10
XG2V 8FW 10
RCG 10 F2 22UG
XG2V 6CK 10
CG5V-8GW-D-H-M-U-H5-20
EURG2 10 C 13UG
EURG2 10 F 13UG
ECT 06 C 10TB
EURG1 06 C 13UG
CG5V-8FW-D-VM-U-H5-20
CG5V-8BW-D-M-U-A5-20
CG5V 8BW D M U H5 20
伺服閥 J761-001
伺服閥 J761-002
伺服閥 J761-003
伺服閥 J761-004
伺服閥 J761-005
伺服閥 072-559A
卸荷閥 F3-CV1-63-D11-2-L-10
卸荷閥 F3-CV1-40-D105-M-40
卸荷閥 F3-CVCS-16D3-B29-10
壓力開關(guān) ST307-350-B
隔離閥 F3DG5S2-062A-220DC60-DFZK
機(jī)械遮斷閥 F3DG5S2-062A-50-DFZK-V美國MOOG伺服閥
DBAW30 BH2-2X/200-6EG24N9K4E
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