优势派克溢流阀 RS10R25S4SN1JW45

优势派克溢流阀 RS10R25S4SN1JW45　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D3W001CNAW42
D3W001CNGW42
D3W001CNGWS442
D3W001CNJW42
D3W001CNJW4D42
D3W001CNJWS442
D3W001CNJWT42
D3W001CNJW42X5056
D3W001CNJW42X5448
D3W001CNKW42
D3W001CNTW42
D3W001CNYW42
D3W001CVJW42
D3W001CVTW42
D3W001CVYW42
D3W001ENGW42
D3W001ENJW42
D3W001ENJWT42
D3W001ENKW42
D3W001ENTW42
D3W001ENUW42
D3W001ENYW42
D3W001EVJW42
D3W001EVJWI5N42
D3W001FNJW42
D3W001FNJW4D42
D3W001FNTW42
D3W001FNYW42
D3W001KNJW42
D3W001KNJWI4N42
D3W001KNKW42
D3W001KNTW42
D3W001KNYW42
D3W001MNJW42
D3W001MNJW4D42
D3W002CNGW42
D3W002CNGWS442
D3W002CNJW42
D3W002CNJW4D42
D3W002CNJWS442
D3W002CNJWS742
D3W002CNKW42
D3W002CNTW42
D3W002CNUWS442
D3W002CNYW42
D3W002CVJW42
D3W002CVJWS442
D3W002ENAW42
D3W002ENJDJ542
D3W002ENJW42
D3W002ENJWI2N42X976
D3W002ENJWS442
D3W002ENJWTI5N42
D3W002ENTW42
D3W002ENUW42
D3W002ENUWS442
D3W002ENYW42
，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。 D1VW002ENAW PAVC10032R46C2AP22 D46FHE01G5NB00
D1VW002ENGW PAVC10032R46C2P22 PID00A-400
D1VW002ENJDLJ5 PAVC10032R4C22 D111FSE02L2NLW0
D1VW002ENJEE PAVC10032R4MEP22 D81FHE01H2NB08
D1VW002ENJW PAVC10032R4S22 D81FSB32E1NXW0
D1VW002ENJWI5N PAVC10038R422 D1FPE50HA9NB50
D1VW002ENJWL PAVC10038R4222 D1FPE50MA9VB00
D1VW002ENJWP PAVC10038R42M22 D31FTB32CC1VF00
D1VW002ENJWS2 PAVC1003L4222 D31FTE02CC1VF00
D1VW002ENJWS3 PAVC1003R422 D91FSB11H4NXW0
D1VW002ENJWTI5N PAVC1003R4222 D91FTA32HC4NF00
D1VW002ENKW PAVC1003R42A22 D41FHE01C4NE00
D1VW002ENKWTI5N PAVC1003R4522 D81FHE01F4NE00
D1VW002ENTW PAVC1003R45C22 D1FPE55MB9NB00943
D1VW002ENYW PAVC1003R45HM22 EF96-HB2
D1VW002EVJDLJ5 PAVC1003R45P22 SK-D96FH-N35
D1VW002EVJW PAVC1003R4C22 D1FPE50BB9NS00
D1VW002KNGW PAVC1003R4SP22 D31FSE80B5NXW0
D1VW002KNGWI1N PAVC10092L4222 D1FPB60MB9NB00984
D1VW002KNJEE PAVC10092L426B122 D41FWE01FC2NXW0
D1VW002KNJW PAVC10092L42A22 D1FPE50HB9EB00
D1VW002KNJWI4N PAVC10092L42C22 D3FPE02PC9NB03
D1VW002KNJWL PAVC10092L42HM22 D1FBE01HK0NMW0
D1VW002KNJWS3 PAVC10092L46A4A22 D3FPE55YA9NB00
D1VW002KNJWTI4N PAVC10092L46B3A22

　　也就是说，伺服阀的主阀是靠前置级阀的输出压力来控制的，而前置级阀的压力则来自于伺服阀的入口p，假如p口的压力不足，前置级阀就不能输出足够的压力来推动主阀芯动作。 
　　而我们知道，当负载为零的时候，如果四通滑阀完全打开，D3W001CNAW42
D3W001CNGW42
D3W001CNGWS442
D3W001CNJW42
D3W001CNJW4D42
D3W001CNJWS442
D3W001CNJWT42
D3W001CNJW42X5056
D3W001CNJW42X5448
D3W001CNKW42
D3W001CNTW42
D3W001CNYW42
D3W001CVJW42
D3W001CVTW42
D3W001CVYW42
D3W001ENGW42
D3W001ENJW42
D3W001ENJWT42
D3W001ENKW42
D3W001ENTW42
D3W001ENUW42
D3W001ENYW42
D3W001EVJW42
D3W001EVJWI5N42
D3W001FNJW42
D3W001FNJW4D42
D3W001FNTW42
D3W001FNYW42
D3W001KNJW42
D3W001KNJWI4N42
D3W001KNKW42
D3W001KNTW42
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D3W001MNJW42
D3W001MNJW4D42
D3W002CNGW42
D3W002CNGWS442
D3W002CNJW42
D3W002CNJW4D42
D3W002CNJWS442
D3W002CNJWS742
D3W002CNKW42
D3W002CNTW42
D3W002CNUWS442
D3W002CNYW42
D3W002CVJW42
D3W002CVJWS442
D3W002ENAW42
D3W002ENJDJ542
D3W002ENJW42
D3W002ENJWI2N42X976
D3W002ENJWS442
D3W002ENJWTI5N42
D3W002ENTW42
D3W002ENUW42
D3W002ENUWS442
D3W002ENYW42
D3W002ENYW42X976
D3W002FNTW42
D3W002KNJW42
D3W002KNJWI4N42
D3W002KNJWTS442
D3W002KNKW42
D3W002KNTW42
D3W002KNYW42
D3W003CNJW42
D3W003CNTW42
D3W003CNYW42
D3W003CVTW42
D3W003ENJW42
D3W003KNJW42
D3W003KVYW42
D3W004CNAW42
D3W004CNGW42
D3W004CNGWS442
D3W004CNJDJ542
D3W004CNJW42
D3W004CNJW4D42
D3W004CNJWS442
D3W004CNJW42XG068
D3W004CNKW42
D3W004CNSW42X610
D3W004CNTW42
D3W004CNUW42
D3W004CNUWS442
D3W004CNYW42
D3W004CVGW42
D3W004CVJW42
D3W004CVTW42
D3W004CVYW42
D3W004ENGW42
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D3W008CNSW42X610
D3W008CNTW42
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D3W008ENGWS442
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D3W020BNYW42
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D3W020BVJW2042
D3W020BVTW42
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D3W020DNAW42
D3W020DNGW42
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D3W020DNKW42
D3W020DNTW42
D3W020DNYW42
D3W020DVJW42
D3W020HNDW42
D3W020HNGW42
D3W020HNJW42
D3W020HNJW2042
D3W020HNJWI1N42
D3W020HNJWTI4N42
D3W020HNKW42
D3W020HNTW42
D3W020HNUW2042
D3W020HNYW42
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D3W021CNGW42
D3W021CNJW42
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D3W26BNJWTI5N42
D3W026BNTW42
D3W026BNUW42
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D3W026DNJW42
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D3W030BNGW42
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D3W030BNJWI2N42
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D3W030BNJWS742
D3W030BNJWTI5N42
D3W030BNKW42
D3W030BNTW42
D3W030BNYW42
D3W030DNJW42
D3W030DNKW42
D3W030HNJW42
D3W030HNJWS742
D3W030HNJWTI4N42
D3W030HNKW42
D3W030HNTW42
D3W030HNYW42
D3W031CNJW42
D3W034CNJW42
D3W034CNTW42
D3W034CVJW42
p口压力＝t口压力＋阀口压力损失（忽略油路上的其它压力损失），如果阀口压力损失很小，t口压力又为零，那么p口的压力就不足以供给前置级阀来推动主阀芯，整个伺服阀就失效了。所以伺服阀的阀口做得偏小，即使在阀口全开的情况下，也要有一定的压力损失，来维持前置级阀的正常工作。CPOM2AA25V
CPOM2AA50V
CPOM2AA70V
CPOM2AAHT
CPOM2AAHTV
CPOM2AAV
CPOM2BB25V
CPOM2BB50V
CPOM2BB70V
CPOM2BBHT
D41CPOM2BBHTV
CPOM2BBV
CPOM2DD25V
CPOM2DD50V
CPOM2DD70V
CPOM2DDHT
CPOM2DDHTV
CPOM2DDV
CPOM2DDVX309X692
CPOM2DDVX893 D81CPOM2DDVXG048
CPOM3AAHT
CPOM3AAHTV
CPOM3AAV
CPOM3BBHT
CPOM3BBV
CPOM3DDHT
CPOM3DDHTV
CPOM3DDV
CPOM4AAHTV D91CPOM4BBHTV
CPOM4DDHTN
CPOM4DDHTV
CPOM6AAV
CPOM6BBN
CPOM6BBV
CPOM6DDN

　　伺服阀其实缺点极多：能耗浪费大、容易出故障、抗污染能力差、价格昂贵等等等等，好处只有一个：动态性能是所有液压阀中*高的。就凭着这一个优点，在很多对动态特性要求高的场合不得不使用伺服阀液控单向阀：用于螺纹连接（32通径）；用于法兰连接（从通径40起）； 
适用于在工作液压缸上直接安装； 
可选择带或不带卸载功能； 
集成高压连接。

R900737034  SFA80F1-1X/M/01
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R901062493  SFA63FT0-1X/M/01
R901100835  SFA25G0-1X/M/01
R901163071  SFA80FT1-1X/M/01
R901168305  SFA80FT0-1X/M/01
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