4WRPEH6C3B02L-2X/G24K0/A1M-816

武穴黎翔机电设备有限公司，询价：何琴

询价：，    

询价

询价: 736567721,704552157 D3W034CNJW
D3W034CNTW42
D3W1KNTW30
派克PARKER液压比例阀D31系列
D31FBE01CC1NF00
D31FHE01A4NB0042
D31FHE01C4NB0040
D31FHE02C1NB00
D31FTE01CC4NF00
派克PARKER先导式比例换向阀D41系列
D41FBB00FC4NKW0X840
D41FBE02FC4NF00
D41FHB31E1NE0041
D41FHE01C4NB00
D41FTB32FC1NF0037
D41FTE01FC4NF00
D41FTE01FC4NF0040
D41VW004C4VJW91
派克PARKER比例阀D91系列
D91FHE01F1NE0041 substitutefor D91FHE01F1NE0044
D91FHE01F1NE0041X760 CPT  substitutefor D91FHE01F1NE0044X760
D91FTE01HC4NF0040
D91FTE02HC1NF00
D91FTE02HC4NG0042
D91FWB32HC2VLW025
派克PARKER柱塞泵PV140、PV016、PV063、PV270、PV046系列
PV016R1K1T1NMMC
PV040R1K8T1NMMC
PV046R1K1T1WMMC
PV063R1K1T1NFWS
PV140R1K1TINFR1
PV270R1K1T1NFWS
PVS25EH140
PVS40EH140C2
PVS40EH140C2RD
派克PARKER液控单向阀CPOM
CPOM3DDV50
派克PARKER其它
5004072
104440876379，8-379 ; 11.028
104440876379，8-379 ; 11.028
3319111387  PGP505A0060CA1H2NE5E3B1B1
3703516   F11-019-MB-CN-K-000
4DC1GOQN2
4DB1G0Q Nr:026-54182-H
4D01-3208-0302-C1G0Q
4DB1W51
4D02-3208-0302-B1G0Q
701-00611-8
9PCK400S-0.50 GPM
BD15AAABN10
CVH161P
D111FHE01L4NB0040
D1FHE50MCNBJ00
D1FVE02BCVF0A
D1FVE02BCVF0A37
D1FVE02BCVFOA38
D1FVE02BCVLW25
D1FVE50BCVLB35
D1VA001CV
D3DW034CNJW
D3FWE81MCNKW020
DSDA1002P07K
DWLC522P20B
EVSA064A101
EVSA315A101Z
FM2DDSV55
FM3DDDSV
FM3DDSV51
FM4DDFVHT
HP-010-2-S1220-12-1
N3556904549
PARKER D1VW020BNJEE91
PARKER D1VW020BVJEE91
PCDOOA -400-18
PD100PS02SRS5AC10S300
PD140PS02SRS5AC00S100
PRDM2PP21SVG
PS100-POHD-DB
R1E023121A1045
R25R25S4SN
R4R0659311B1P1G0Q
R4V03-533-10-11-G0QA1
R4V03-533-10-A1
RDM2PT35KVG

REXROTH比例换向阀DBETBEX-1X/180G24K31F1M

 
比例阀 阀对流量的控制可以分为两种：
一种是开关控制：要么全开、要么全关，流量要么zui大、要么zui小，没有中

间状态，如普通的电磁直通阀、电磁换向阀、电液换向阀。
另一种是连续控制：阀口可以根据需要打开任意一个开度，由此控制通过流

量的大小，这类阀有手动控制的，如节流阀，也有电控的，如比例阀、伺服

阀。
所以使用比例阀或伺服阀的目的就是：以电控方式实现对流量的节流控制（

当然经过结构上的改动也可实现压力控制等），既然是节流控制，就必然有

能量损失，伺服阀和其它阀不同的是，它的能量损失更大一些，因为它需要

一定的流量来维持前置级控制油路的工作。

换向阀是具有两种以上流动形式和两个以上油口的方向控制阀。是实现液压

油流的沟通、切断和换向，以及压力卸载和顺序动作控制的阀门。
可分为手动换向阀、电磁换向阀、电液换向阀等。
又称克里斯阀，阀门的一种，具有多向可调的通道，可适时改变流体流向。
工作时借着阀外的驱动传动机构转动驱动轴，带动摇拐臂，启动阀板，使工

作流体时而从左入口通向阀的下部出口，时而从右入口变换通向下部出口，

实现了周期变换流向的目的。
这种变换阀在石油、化工生产中有着广泛的应用，在合成氨造气系统中zui为

常用。此外，换向阀还可作成阀瓣式的结构，多用于较小流量的场合。工作

时只需转动手轮通过阀瓣来变换工作流体的流向。

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