DBW20A2-5X/200EG24N9K4溢流閥力士樂溢流閥在使用中有時會出現調壓失靈現象。先導式溢流閥調壓失靈現象有二種情況：一種是調節調壓手輪建立不起壓力，或壓力達不到額定數值；另一種調節手輪壓力不下降，甚至不斷升壓。出現調壓失靈，除閥芯因種種原因造成徑向卡緊外，還有下列一些原因：
第一是主閥體（2）阻尼器堵塞，油壓傳遞不到主閥上腔和導閥前腔，導閥就失去對主閥壓力的調節作用。因主閥上腔無油壓力，彈簧力又很小，所以主閥變成了一個彈簧力很小的直動型溢流閥，在進油腔壓力很低的情況下，主閥就打開溢流，系統就建立不起壓力。

DBW30-B2-5X/350-6EG24
DBW30B2-5X/1006AG110NK4
DBW20B2N-52/100-6EG110N9K4
DBW20B2-5X/1006AG110NK4
DBW20B1-5X/350-6SG24N9K4
DBW20B1-5X/350-6EW230
DBW20B1-5X/350-6EG24N9K4
DBW20B1-5X/315-6EG24N9K4
DBW20B1-5X/200-6EG24N9K4
DBW20B1-5X/100-6EG24N9K4
DBW20A2-5X/200EG24N9K4+Z5L
DBW20A2-5X/200EG24N9K4
DBW10B2-5X/1006AG110NK4
DBW10B1-5X/315-6EG24N9K4
DBW10B1-5X/200-6SG24N9K4
DBW10B1-5X/200-6EW230
DBW10B1-5X/200-6EG24N9K4
DBW10B1-5X/200-6EG24N9K
CVI-16-D10-M-40        
CVI-16-D11-2-M-10    
CVI-16-HFV-20-A-21-10    
CVI-16-HFV-20-B-21-10
CVI-25-D20-2-H-10    
CVI-25-D20-2-L-10    
CVI-25-D20-2-M-10    
CVI-25-D20-2M-10   580068 
CVI-25-X1-2-10  
CVI-25-X2-40          
CVI-40-D105-M-40          
CVI-40-D20-2-M-10 
CVI-63-HFV-20-B-216-10  
CVSH-3-10    
CVU-25-SWD-B29-H-10-EN12        
CVU-25-SWD-B29-L-10    
CVUA-6-PDW-2-M-U-H-10  
CVUA-6-PDW-2-M-U-H-10    
DG15S2-060-K-11  
DG17V-3-2N-60          
DG17V-3-6C-60      
DG17V-3-8C-60    
DG17V4-012N-10      
DG17V4-016N-10            
DG18S4-012N-52    
DG18V-3-2A-P-60    
DG18V-3-6C-P-60  

DBW20A2-5X/200EG24N9K4溢流閥力士樂
T6C-025-1R03-B1 CBCA-LAN T6DC-035-014-2R00-B1 D3W4CNJW
T6C-028-1R00-B1 CBCA-LHN T6DC-035-031-3L10-B1 D41VW003NJW
T6C-028-2R01-B1 CBCA-LIN T6DCL-031-028-1R03-B1 D41VW4NJW
T6C-031-1R00-B1 CBCG-LJN T6E-042-1R01-A1 D81VW4NJW
T6C-031-1R03-B1 CBEA-LHN T6E-050-1R00-A1 2F1C-02-01-B5-0
T6C-031-2R00-B1 CBGA-LHN T6E-050-1R00-A5 2F1C-03-01-B5-0
T6C-031-2R01-B1 CBGA-LIN T6E-052-1R02-A1 TG025-Y2W3C/*-20-0
T6CL-008-2R01-B1MO CBGG-LJN T6E-062-1L01-A1 TG040-Y2W3C/*-20-0
T6CL-010-1R01-B1MO CBIA-LHN T6E-062-1R00-A1 TDA032EW09A2NXW
T6CL-014-2R03-B1MO CBIG-LJN T6E-062-1R01-A1 TDA040EW09A2NXW
T6CL-020-1R03-B1M0 CDAA-BBN T6E-066-1R00-A1 C5V08-311-B1
T6CL-020-2R03-B1MO CKCB-XCN T6E-066-1R01-A1 C5V08-320-B1
T6CL-022-2R01-B1 CKEB-XCN T6E-072-1L01-A1 C5V12-320-B1
T6CL-022-2R01-B1M0 CKGB-XCN T6E-072-1R00-A1 PCD00A-400
T6CL-025-1R03-B1M0 CKIB-XCN T6E-072-1R01-A1 PWD00A-400
T6CL-025-2R00-B1 CVEV-XCN T6E-072-1R02-A1 9C1200S
T6CL-025-2R01-B1M0 CXAD-XAN T6E-072-3R02-A1 9C1600S
T6CL-025-2R03-B1M0 CXBA-XAN T6E-072-3R03-A1 PRDM2PP21SVG
T6CL-028-2R03-B1MO CXBA-XBN T6EC-045-028-1R01-B1 PRDM3PP21SVG
T6CL-031-1R01-B1MO CXDA-XAN T6EC-057-012-1R02-B1 9F1200S
DGMX2-5-PA-AH-B-30
DGMX2-5-PA-BW-E-B-30
DGMX2-5-PA-GW-E-B-30
DG3VP-3-103A-VM-U-DP-10
DGMX2-3-PA-BH-B-40
DGMX2-3-PBL-CW-B-40
DGMX2-3-PB-BH-B-40
DGMX2-3-PA-AW-B-40-EN66
DGMX3-3-PP-BW-B-40
DGMX3-3-PP-CW-B-40
DGMX2-3-PA-CH-B-40
DGMX2-3-PA-FH-B-40
DGMX2-3-PB-FH-B-40
DGMX2-3-PA-AH-B-40
DGMX2-3-PAL-RH-B-40
DGMX3-3-PP-FW-B-40
DGMX3-3-PPL-CW-B-40
DGMX2-3-PB-CH-B-40
DGMX2-5-PP-BH-E-B-30
DGMX2-3-PAL-AW-B-40
DGMX2-3-PBL-FW-B-40
DGMX2-3-PAL-FW-B-40
DGMC-2-AT-FW-10
DGMC2-2-AT-GW-BT-GW-10
DGMC2-2-AT-FW-BT-FW-10
DGMPC-2-ABK-11
DGMPC-2-ABK-BAK-11