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  • 产品名称:LF-L20H-S单向节流阀

  • 产品型号:LF-L20H-S
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简单介绍:
LF-L20H-S单向节流阀
详情介绍:
节流阀是简式流量控制阀,它是利用油流通过节流阀时改变通流截面来调节流量,或改变阀前后的压力。单向节流阀亦属简式流量控制阀,当油流正向流动时,起节流作用,当油流反向时,油压推动阀芯,使阀芯与阀体形成大通道,不起节流作用,成为单向阀

本系列阀能在31.5MPa压力下正常工作,环境温度-20度至65度;工作介质为20号或30号液压油等。正常油温50度正负5度,运动粘度17-32mm2/S ,过滤精度不得低于30um

节流阀利用通流截面的改变调节通流量,使执行机构获得所需的运动速度,由于节流阀结构简单,节流阀前后的压力差随负载变化而变化,从而影响速度的稳定性,故它只适用于负载变化小或速度稳定性要求不高的液压系统中。节流阀的进出油口可对调。
单向节流阀由单向阀和节流阀并联而成,油流正向通过时可控制油量,反向通过时,单向阀开启,油液迅速从单向阀通过,使执行机构在正反二向具有不同的运动速度

LDF-B10H-S LDF-B20H-S LDF-B32H-S
LF-B10H-S LF-B20H-S LF-B32H-S

FJL-B10H-S,FJL-B15H-S,FJL-B20H-S
FJL-L10H-S,FJL-L15H-S,FJL-L20H-S

液控单向阀(新型号):
A1Y-Ha10L,A1Y-Ha20L,A1Y-Ha32L,A1Y-Ha50L,A1Y-Ha65L,A1Y-Ha80L;
A1Y-Hb10L,A1Y-Hb20L,A1Y-Hb32L,A1Y-Hb50L,A1Y-Hb65L,A1Y-Hb80L;
A2Y-Ha10L,A2Y-Ha20L,A2Y-Ha32L,A2Y-Ha50L,A2Y-Ha65L,A2Y-Ha80L;
A2Y-Hb10L,A2Y-Hb20L,A2Y-Hb32L,A2Y-Hb50L,A2Y-Hb65L,A2Y-Hb80L;
A1Y-Ha10B,A1Y-Ha20B,A1Y-Ha32B,A1Y-Ha50B,A1Y-Ha65B,A1Y-Ha80B;
A1Y-Hb10B,A1Y-Hb20B,A1Y-Hb32B,A1Y-Hb50B,A1Y-Hb65B,A1Y-Hb80B;
A2Y-Ha10B,A2Y-Ha20B,A2Y-Ha32B,A2Y-Ha50B,A2Y-Ha65B,A2Y-Ha80B;
A2Y-Hb10B,A2Y-Hb20B,A2Y-Hb32B,A2Y-Hb50B,A2Y-Hb65B,A2Y-Hb80B;
A1Y-Ha10F,A1Y-Ha20F,A1Y-Ha32F,A1Y-Ha50F,A1Y-Ha65F,A1Y-Ha80F;
A1Y-Hb10F,A1Y-Hb20F,A1Y-Hb32F,A1Y-Hb50F,A1Y-Hb65F,A1Y-Hb80F;
A2Y-Ha10F,A2Y-Ha20F,A2Y-Ha32F,A2Y-Ha50F,A2Y-Ha65F,A2Y-Ha80F;
A2Y-Hb10F,A2Y-Hb20F,A2Y-Hb32F,A2Y-Hb50F,A2Y-Hb65F,A2Y-Hb80F;
说明:
A1Y=内泄式,A2Y=外泄式,H=公称压力31.5Mpa,a=开启压力0.04Mpa,b=开启压力0.4Mpa,L=螺纹连接,B+板式连接,F=法兰连接,10、20、32、50、65、80=公称通径mm

液控单向阀(老型号):
DFY-L10H1-S,DFY-L20H1-S,DFY-L32H1-S,DFY-L50H1-S;
DFY-L10H2-S,DFY-L20H2-S,DFY-L32H2-S,DFY-L50H2-S;
DFY2-L10H1-S,DFY2-L20H1-S,DFY2-L32H1-S,DFY2-L50H1-S;
DFY2-L10H2-S,DFY2-L20H2-S,DFY2-L32H2-S,DFY2-L50H2-S;
DFY-B10H1-S,DFY-B20H1-S,DFY-B32H1-S,DFY-B50H1-S;
DFY-B10H2-S,DFY-B20H2-S,DFY-B32H2-S,DFY-B50H2-S;
DFY2-B10H1-S,DFY2-B20H1-S,DFY2-B32H1-S,DFY2-B50H1-S;
DFY2-B10H2-S,DFY2-B20H2-S,DFY2-B32H2-S,DFY2-B50H2-S;
DFY-F10H1-S,DFY-F20H1-S,DFY-F32H1-S,DFY-F50H1-S;
DFY-F10H2-S,DFY-F20H2-S,DFY-F32H2-S,DFY-F50H2-S;
DFY2-F10H1-S,DFY2-F20H1-S,DFY2-F32H1-S,DFY2-F50H1-S;
DFY2-F10H2-S,DFY2-F20H2-S,DFY2-F32H2-S,DFY2-F50H2-S;
说明:
DFY=液控单向阀,2=外泄式,无数字=内泄式,L=螺纹连接,B+板式连接,F=法兰连接,10、20、32、50=公称通径mm,H=公称压力31.5Mpa,1=开启压力0.04Mpa,2=开启压力0.4Mpa,S=上海型


液控单向阀
A-Ha10L A-Hb10L A-Ha20L A-Hb20L A-Ha32L A-Hb32L IY-63(B) IY-25(B) IY-100(B)
AJ-Ha10L AJ-Hb10L AJ-Ha20L AJ-Hb20L AJ-Ha32F AJ-Hb32F AJ-Ha32L AJ-Hb32L AJ-Ha32B
AJ-Hb32B A1Y-Ha10B A1Y-Hb10B A1Y-Hb10L A1Y-Ha10L A1Y-Hb20B A1Y-Ha20B A1Y-Ha20L
A1Y-Hb20L A1Y-Ha32B A1Y-Ha32L A1Y-Ha32F A1Y-Hb32B A1Y-Hb32L A1Y-Hb32F A2Y-Ha10B
A2Y-Hb10B A2Y-Ha10L A2Y-Hb10L A2Y-Ha20B A2Y-Hb20B A2Y-Ha20L A2Y-Hb20L A2Y-Ha32B
A2Y-Hb32B A2Y-Ha32L A2Y-Hb32L DFY-L10H1 DFY-L10H2 DFY-B10H1 DFY-B10H2 DFY-L20H1
DFY-L20H2 DFY-B20H1 DFY-B20H2 DFY-L32H1 DFY-L32H2 DFY-F32H1 DFY-F32H2 DFY-B32H1 DFY-B32H2

 

直通单向阀
DIF-L10H1 DIF-L10H2 DIF-L20H1 DIF-L20H2 DIF-L32H1 DIF-L32H2 DF-L10H1

直角单向阀
DF-L10H2 DF-B10H1 DF-B10H2 DF-B20H1 DF-B20H2 DF-L20H1 DF-L20H2 DF-L32H1 DF-L32H2
DF-F32H1 DF-F32H2 DF-B32H1 DF-B32H2

电磁溢流阀
Y2-H32 Y2-H10 Y2-H20 Y2-H6 Y2E-H10 Y2E-H20 Y2E-H32 Y2D-H10 Y2D-H20
YFDO-L20H-S YFDO-B20H-S YFDO-L32H-S YFDO-B32H-S YFEH-L20H-S YFEH-B20H-S YFEH-L32H-S YFEH-B32H-S
DBW10G DBW20G DBW30G DBW10… DBW20… DBW30… DBC10,20...
S-BSG-10-51 S-BSG-03-51 S-BSG-06-51

直动型溢流阀
DBDH.S6K DBDH.S10K DBDH.S20K DBDH.S30K DBDH.S15G,20P,G DBDH.S30G,P DBDH.S6P,G
先导型溢流阀
DB10G DB20G DB30G DB10… DB20… DB30…DBC(带主阀芯) DBC10,20...
溢流阀
Y1EH-F20D-P/O-1 Y1EH-F16D-P/O-1 Y1EH-F10D-P/O-1 YF6D-P/O Y1-F10D-P/O-1 Y1-F16D-P/O-1 Y1-F20D-P/O-1
2Y1-F6/10D-P1/O-1 2Y1-F10D-AB/O-1 2Y1-F16D-AB/O-1
YF-L8H-S YF-B8H-S YF-L10H-S YF-B10H-S YF-L20H-S YF-B20H-S YF-L32H-S YF-B32H-S YF-F32H-S YF-F50H-S

低压溢流阀
P-B10(B) P-B25(B) P-B63(B)

中压溢流阀
Y-10(B) Y-25(B) Y-63(B) Y-100(B) Y-160(B)

分流阀
FL-B10 FL-B15 FL-B20 FJL-B10 FJL-B15 FJL-B20

卸荷溢流阀
HY-H10 HY-H20 HY-H32 HYD-H10 HYE-H20 HYE-H32

单向减压阀
JDF-B10H-S JDF-B20H-S JDF-L20B-S JDF-B32H-S JDF-L32B-S

单向节流阀
L-10(B) L-25(B) L-63(B) L-100(B) L1-10(B) L1-25(B) L1-63(B) L1-100(B) L-F6D-P LA-F6D-A 2LA-F6D-ABU L-F10D-P-1
L-F6/10D-P1/P-1 LA-F10D-P-1 2LA-F10D-AB-1 LA-F16D-O-1 L-F6/16D-P1/P-1 2LA-F16D-ABU-1 2LA-F20D-ABU-1
LDF-L10H-S LDF-L20H-S LDF-L32H-S LF-B10H-S LF-B20H-S LF-B32H-S LF-L10H-S LF-L20H-S LF-L32H-S L-H10 L-H20 L-H32 LA-H10 LA-H20 LA-H32

顺序阀
X-B10(B) X-B25(B) X-B63(B)
DZ10…/…YM DZ20…/…YM DZ30…/…YM DZ10…/…Y DZ20…/…Y DZ30…/…Y DZC…/… DZC10,30…/…
X3F-B20H-S X3F-B10H-S X2F-B10H-S X4F-B10H-S X2F-B20H-S

单向阀
S6A S8A S10A S15A S20A S25A S30A S10P1 S20P1 S30P1
1-10 1-25 1-63 1-100 1-160
A-F6D-O-1 2A-F6D-O/AB A-F10D-P/PP1 A-F10D-B/P A-F10D-P A-F16D-O A-F20D-O

液控单向阀
AY-F6D-B(A)-1 2AY-F6D-AB(BA)-A AY-F10D-B(A)-1 2AY-F10D-AB(BA)-1 AY-F16D-B(A)-1
2AY-F16D-AB/BA-1 AY-F20D-B(A)-1 2AY-F20D-AB/BA-A AYE-F10-B/O(P)

板式单向阀
RVP6 RVP8 RVP10 RVP12 RVP16 RVP20 RVP25 RVP30

液控单向阀
Z1S6 Z1S10 Z2S6 Z2S10 Z2S16 Z2S22

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