進口液壓派克閥VMY210L10V1P有些帶泄油口的液壓閥，其泄油口必須直接通油箱，*好不要與系統中總回油管相連接，否則會造成意想不到的后果，D3W020DNKW42
D3W020DNTW42
D3W020DNYW42
D3W020DVJW42
D3W020HNDW42
D3W020HNGW42
D3W020HNJW42
D3W020HNJW2042
D3W020HNJWI1N42
D3W020HNJWTI4N42
D3W020HNKW42
D3W020HNTW42
D3W020HNUW2042
D3W020HNYW42
D3W020HVJW42
D3W021CNGW42
D3W021CNJW42
D3W021FNJW42
D3W021KNJW42
D3W022CNJW42
D3W026BNGW42
D3W026BNJW42
D3W026BNJWI2N42
D3W026BNJWI5N42
D3W26BNJWTI5N42
D3W026BNTW42
D3W026BNUW42
D3W026BVJW42
D3W026DNJW42
D3W026HNJW42
D3W026HNJWI1N42
D3W026HNJWTI4N42
D3W026HNTW42
D3W030BNGW42
D3W030BNJW42
D3W030BNJW4D42
D3W030BNJWI2N42
D3W030BNJWI5N42
D3W030BNJWS742
D3W030BNJWTI5N42
D3W030BNKW42
D3W030BNTW42
D3W030BNYW42
D3W030DNJW42
D3W030DNKW42
D3W030HNJW42
D3W030HNJWS742
D3W030HNJWTI4N42
D3W030HNKW42
D3W030HNTW42
D3W030HNYW42
D3W031CNJW42
例如：減壓閥的泄油管若與總回油管相連接時，由于在工作中系統總回油管中的流量會隨時變化，使通過回油管中油液的壓力損失在不斷變化，就會造成減壓閥輸出壓力不穩定。2、有些中位卸荷的電液換向閥（如：力士樂系列D41FHE01F2NB00 D41FHE01F2NB0048
D41FHE01F2NB08 D41FHE01F2NB0848
D41FHE01F2NS00 D41FHE01F2NS0048
D41FHE01F2VB00 D41FHE01F2VB0048
D41FHE01F5NB00 D41FHE01F5NB0048
D41FHE01E4NB00 D41FHE01E4NB0048
D41FHE01E4NE00 D41FHE01E4NE0048
D41FHE01E1NB00 D41FHE01E1NB0048
D41FHE01E1NE00 D41FHE01E1NE0048
D41FHE02E1NB00 D41FHE02E1NB0048
D41FHE02E1NE00 D41FHE02E1NE0048
D41FHE01F1NB00 D41FHE01F1NB0048
D41FHE01F1NE00 D41FHE01F1NE0048
D41FHE01E1NB08 D41FHE01E1NB0848
D41FHE01B1NB08 D41FHE01B1NB0848
D41FHE01F1NB08 D41FHE01F1NB0848
D41FHE01B1NE00 D41FHE01B1NE0048
D41FHE01B1NS00 D41FHE01B1NS0048
D41FHE01B1VB00 D41FHE01B1VB0048
D41FHE01B2NB00 D41FHE01B2NB0048
D41FHE01B4NB00 D41FHE01B4NB0048
D41FHE01B4NE00 D41FHE01B4NE0048
D41FHE01B2NB00 D41FHE02B1NB0048
D41FHE01B2NE00 D41FHE02B1NE0048
D41FHE01B1NB00 D41FHE01B1NB0048
D41FHE01B1NE00 D41FHE01B1NE0048
D41FHE01B2NB08X726 D41FHE01B2NB0848X726
D41FHE01B2NE00807 D41FHE01B2NE0048X807
D41FHE01B2NS00 D41FHE01B2NS0048
D41FHE01B2NS08 D41FHE01B2NS0848
D41FHE01B2VB00 D41FHE01B2VB0048
D41FHE01C1NE00 D41FHE01C1NE0048
D41FHE01C1NE00807 D41FHE01C1NE0048X807
D41FHE01C2NE00807 D41FHE01C2NE0048X807
D41FHE01C2NS08 D41FHE01C2NS0848
D41FHE01C4NB00 D41FHE01C4NB0048
D41FHE01C4NB00766 D41FHE01C4NB0048X766
D41FHE01C4NB08 D41FHE01C4NB0848
D41FHE01C4NE00 D41FHE01C4NE0048
D41FHE01C4NS00 D41FHE01C4NS0048
D41FHE01C4VB00 D41FHE01C4VB0048
D41FHE01C5NB00 D41FHE01C5NB0048
D41FHE01E1NB00 D41FHE01E1NB0048
D41FHE01E1NB08 D41FHE01E1NB0848
D41FHE01E1NE00 D41FHE01E1NE0048
D41FHE01E1NS00 D41FHE01E1NS0048
D41FHE01E1VE00 D41FHE01E1VE0048
D41FHE01E2NB00 D41FHE01E2NB0048
D41FHE01E2NB08 D41FHE01E2NB0848
D41FHE01E2NE00807 D41FHE01E2NE0048X807
D41FHE01E2NS08 D41FHE01E2NS0848
D41FHE01E2VB00 D41FHE01E2VB0048
D41FHE01E4NB00 D41FHE01E4NB0048
D41FHE01E4NE00 D41FHE01E4NE0048
D41FHE01E4VB00 D41FHE01E4VB0048
D41FHE01E5NB00 D41FHE01E5NB0048
D41FHE01E5NB08 D41FHE01E5NB0848
D41FHE01E5VB00 D41FHE01E5VB0048
D41FHE02C1NB00 D41FHE02C1NB0048
D41FHE02C1NE00 D41FHE02C1NE0048
D41FHE02C1NE00807 D41FHE02C1NE0048X807
D41FHE02C1VB00 D41FHE02C1VB0048
D41FHE02C1VE00 D41FHE02C1VE0048
D41FHE02C2NB00 D41FHE02C2NB0048
D41FHE02C2NE00 D41FHE02C2NE0048
D41FHE02C2VB00 D41FHE02C2VB0048
D41FHE02C4NB00 D41FHE02C4NB0048
G、H、F、P、T型等），在控制油口沒單獨預接控制油的情況下，電液閥無法換向，因此對內控型的電液換向閥必須在其P口加一預壓閥或在回油口加一背壓閥（產生的背壓一般在1Mpa以上，不同廠家、不同規格、     R900437123 ZDR6DA7-4X/210Y 
     R900445343 ZDR6DB1-4X/25YM 
     R900967538 ZDR6DB1-4X/25YMV 
     R900441458 ZDR6DB1-4X/75YM 
     R900967930 ZDR6DB1-4X/75YMV 
     R900431556 ZDR6DB1-4X/150YM 
     R900560196 ZDR6DB1-4X/150YMV 
     R900583996 ZDR6DB1-4X/210YM 
     R900967537 ZDR6DB1-4X/210YMV 
     R900449839 ZDR6DB2-4X/25YM 
     R900548486 ZDR6DB2-4X/25YMV 
     R900431771 ZDR6DB2-4X/75YM 
     R901133187 ZDR6DB2-4X/75YM/60 
     R900586123 ZDR6DB2-4X/75YMV 
     R901038664 ZDR6DB2-4X/75YMV/60 
     R900431172 ZDR6DB2-4X/150YM 
     R900510123 ZDR6DB2-4X/150YMV 
     R900463269 ZDR6DB2-4X/210YM 
     R901239019 ZDR6DB2-4X/210YM/60 
     R900599763 ZDR6DB2-4X/210YMV 
     R900425957 ZDR6DB3-4X/25YM 
     R900463533 ZDR6DB3-4X/25YMV 
     R900432119 ZDR6DB3-4X/75YM 
     R900573505 ZDR6DB3-4X/75YMV 
     R900428322 ZDR6DB3-4X/150YM 
     R900533628 ZDR6DB3-4X/150YMV 
     R900512864 ZDR6DB3-4X/210YM 
     R901029565 ZDR6DB3-4X/210YMV 
     R900583205 ZDR6DB7-4X/25YM 
     R900581382 ZDR6DB7-4X/75YM 
     R900426995 ZDR6DB7-4X/150YM 
     R900426994 ZDR6DB7-4X/210YM 
     R900409965 ZDR6DP1-4X/25YM 
     R900967539 ZDR6DP1-4X/25YMV 
     R900409967 ZDR6DP1-4X/75YM 
     R900506336 ZDR6DP1-4X/75YMV 
     R900410806 ZDR6DP1-4X/150YM 
     R900450066 ZDR6DP1-4X/150YMV 
     R900476381 ZDR6DP1-4X/210YM 
     R900426183 ZDR6DP1-4X/210YMV 
     R900483785 ZDR6DP2-4X/25YM 
     R900448143 ZDR6DP2-4X/25YMV 
     R901242216 ZDR6DP2-4X/25YMV/60 
     R900483786 ZDR6DP2-4X/75YM 
     R901128898 ZDR6DP2-4X/75YM/60 
     R900452815 ZDR6DP2-4X/75YMV 
     R900747678 ZDR6DP2-4X/75YMV/60 
     R900483787 ZDR6DP2-4X/150YM 
     R900476331 ZDR6DP2-4X/150YMV 
     R901112667 ZDR6DP2-4X/150YMV/60 
不同流量的液壓閥該背壓值會不同），且其外泄口必須單獨接油箱。對外控型的電液換向閥，其控制油口必須連接到在系統工作的各種工況下始終能產生1Mpa以上壓力的位置。DBETR-1X/350G24K4M-381             
DBETR-1X/350G24K4M-409             
DBETR-1X/350G24K4M-409             
DBETR-1X/350G24K4M-437             
DBETR-1X/350G24K4M-437             
DBETR-1X/350G24K4M-437             
DBETR-1X/80G24K4M             
DBETR-1X/80G24K4M             
DBETR-1X/80G24K4M-575             
DBETR-1X/80G24K4M-575             
DBETR-1X/80G24K4M-676             
DBETR-1X/80G24K4M-676             
DBETR-1X/80G24K4M-676             
DBETR-1X/80G24K4V             
DBETR-1X/80G24K4V             
DBETRE-2X/180G24K31A1M         
DBETRE-2X/180G24K31A1M             
DBETRE-2X/180G24K31A1M             
DBETRE-2X/250G24K31A1M             
DBETRE-2X/250G24K31A1M             
DBETRE-2X/250G24K31A1M             
DBETRE-2X/30G24K31A1M             
DBETRE-2X/30G24K31A1M             
DBETRE-2X/315G24K31A1M         
DBETRE-2X/315G24K31A1M           
DBETRE-2X/315G24K31A1M             
DBETRE-2X/350G24K31A1M             
DBETRE-2X/350G24K31A1M             
DBETRE-2X/80G24K31A1M             
DBETRE-2X/80G24K31A1M             
DBETRE-2X/80G24K31A1M             
DRC2-5X/100Y SO151    
DRC30-1-5X/315Y SO151    
DRC30-5-5X/100Y    
DRC30-5-5X/50Y    
DRC4-5X/315Y    
DRC5-5X/100Y SO173    
DRC6-5X/100Y SO173    
DRC6-5X/200Y SO177  
DZC2-5X/100    
DZC2-5X/200    
DZC2-5X/315 SO77
DRE10-5X/100YG24K4M
DRE10-5X/100YG24K4V
DRE10-5X/100YG24NK4M
DRE10-5X/100YG24NK4V
DRE10-5X/100YMG24K4M
DRE10-5X/100YMG24K4V
DRE10-5X/100YMG24NK4M
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DRE10-5X/200YG24NK4M
DRE10-5X/200YMG24K4M
DRE10-5X/200YMG24K4V
DRE10-5X/200YMG24NK4M
DRE10-5X/200YMG24NK4V
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DRE10-5X/315YG24K4V
DRE10-5X/315YG24NK4M
DRE10-5X/315YMG24K4M
DRE10-5X/315YMG24K4V
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DRE10-5X/50YG24K4M
DRE10-5X/50YG24K4V
DRE10-5X/50YG24NK4M
DRE10-5X/50YMG24K4M
DRE10-5X/50YMG24K4V
DRE20-5X/100YG24K4M
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R32E25S1SN R32E25S1SN25
V-ZUDB1PT2Z07E V-ZUDB1PT2Z07E
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AK-TDAESMA AK-TDAE-S-MA E63-E100
C025CA00101299V C025CA00101299V10
C016BN12V C016BN12V10
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C032CA12000099V C032CA12000099V10
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GARFGL200-150 GARFGL200-150
RS25R17S4SN1YW RS25R17S4SN1YW40
V-SPZBE1010E25N V-SPZBE1010E25N
V-SPZBE1010E32S V-SPZBE1010E32S
V-SPZBE1010E32U V-SPZBE1010E32U
V-SPZBE1010E32N V-SPZBE1010E32N
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C050BN10N C050BN10N10
CE050C07N99N CE050C07N99N10
C050CA18002099N C050CA18002099N10
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CE025S07S00V CE025S07S00V10
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TDADV1007P04MA TDADV1007P04MA
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C040CA17139918N C040CA17139918N10
C050BN18N C050BN18N10
CE016C04U08N CE016C04U08N10
PADI0004.216LT1 POMPA UNYKA 620
C025AA14N C025AA14N10
CE025B01N11N CE025B01N11N10
CE040S08U12N CE040S08U12N10
CE080S04U00N CE080S04U00N10
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PADI0004.217LT1 PIASTRA POMPA UNYKA 900-1400
CE025C01S22N CE025C01S22N10
RK-TELP4E100V RK-TELP4-E100-V
CE032B07U00NX425 CE032B07U00N10425
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C025CA10001599N C025CA10001599N10
PADI0008.206LT1 BLOCCO CHIUSURA 2200HX
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C040CA12009915N C040CA12009915N10
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