REXROTH力士乐 比例减压阀3DREPE6C-2X/16EG24N9K31/A1M 现货

武穴黎翔机电设备有限公司REXROTH力士乐销售部

电液比例阀简称比例阀。普通液压阀只能通过预调的方式对液流的压力、流量进行定值控制。但是当设备机构在工作过程中要求对液压系统的压力、流量参数进行调节或连续控制，例如.要求工作台在工作进给时按慢、快、慢连续变化的速度实现进给，或按一定精度模拟某个控制曲线实现旅力控制.普通液压阀则实现不了。这时可以用电液比例阀对液压系统进行控制。
电液比例阀是一种按输入的电信号连续地、按比例地控制液压系统的液流方向、流量和压力的阀类。它山电-机械比例转换装置和液压控制阀本体两大部分构成.前者将输入的电信号连续地按比例地转换为机械力和位移输出，后者在接受这种机械力和位移之后、按比例连续地输出压力和流量.
电液比例阀的发展主要有两个途径一是用比例电磁铁取代传统液压阀的手动调节装置或取代普通电磁铁发展起来的;二是由电液伺服阀简化结构、降低精度发展起来的。下面介绍的比例阀均指前者，它是当今比例阀的主流。与普通液压阀可以互换。
比例电磁阀的结构如图5-27所示。比例电磁铁是直流电磁铁，但它与普通直流电磁铁不同。普通直流电磁铁的衔铁只有吸合和断开两个工作位置，并且在吸合时磁路中几乎没有气隙.而比例电磁铁要求吸合力或位移与给定电流成比例。并在衔铁的全部工作行程上，磁路中保持一定的气隙‘.其结构主要由极靴1、线圈2、壳体5和衔铁10等组成。线圈2中通电后产生磁场，因隔磁环4的存在。使磁力线主要部分通过衔铁10、气隙和极靴1，形成回路口极靴对衔铁产生吸力门在线圈中电流一定时。吸力的大小因极靴1与衔铁间的距离不同而变化。但衔铁在气隙适中的一段行程中，吸力随位置的改变发生的变化很小。
设计中就使比例电磁铁的衔铁在这段行程中工作。因此。改变线圈中的电流，即可在衔铁上得到与其成正比的吸力。用比例电磁铁代替螺旋手柄来调整液压阀，就能使输出乐力或流量与输人电流对应成比例地发生变化。
比例阀用于模拟控制，是介于普通开关控制与伺服控制之间的控制方式，它也特别适合于
设备的革新或改造。使设备自动化控制水平大为提高。其在现代液雌系统中占比例很大口

比例减压阀，先导式
   型号 (Z)DRE and ZDREE 10
比例减压阀，先导式
规格6和10
安装面按DIN 24340 A型和ISO 4401
用于降低系统压力的阀
比例电磁铁操作
底板安装，DRE 6型
叠加式，ZDRE 6 和10型
线性压力/指令值特性曲线
集成电控器（OBE），用于ZDREE 10
 
 
   型号 DRE(M) 和 DRE(M)E
比例减压阀，先导式
规格10至32
安装面按DIN 24340 D型
用于降低系统压力的阀
比例电磁铁操作
底板安装
线性压力/指令值特性曲线
用于DREM和DREME型的减压功能
可选单向阀，在A和B油口之间
集成电控器（OBE），用于DREE和DREME

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   型号 3DRE(M) 和 3DRE(M)E
比例减压阀，先导式
规格10和16
安装面按DIN 24340 A型和ISO 4401
用于降低系统压力的阀
比例电磁铁操作
底板安装
用于3DREE and 3DREME的集成电控器（OBE）
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ODE欧帝电磁阀  ODE欧帝气缸等ODE欧帝电磁阀  ODE欧帝气缸等ODE欧帝电磁阀  ODE欧帝气缸等

阀类—1/8” 阀类—1/4” 阀类—3/8 阀类—1” 线圈 意大利ODE

AS1K1B30 21A2KT30 21A5KV45 21H14KOV250 5W 24V AC 意大利ODE

ASGK1B30 AS2K1B30 21A5KB55 21H14KOE250 5W 24V DC 意大利ODE

AS1K1B30-KT 21A2KE45 21A5KG55 21H14KOB250 5W 110V AC 意大利ODE

ASIKIB30-R1 21A2KV15 21A5ZV45D 21H14KOB250-S

ASGKIB30-R1 21A2KV20 21H7KB120 21H14KB250 5W 220V AC 意大利ODE

21A3KT30 21A2KV25 21H7KV120 21H14KE250 8W 24V AC 意大利ODE

21A3ZV20D 21A2KV30 21H11KV120 21H14KV250 8W 24V DC 意大利ODE

21A3KV20 21A2KV45 21W1KB120 21HT6K0Y250 8W 110V AC 意大利ODE

21A3KV25 21A2KV55 21W1ZV120 21HT6KOY250-S 8W 220V AC 意大利ODE

21A3KV30 21A2KCV30-05 21WA3KOB130 21W4KB250 BDF 8W220V  AC 意大利ODE

21A3KV45 21A2KCV55-01 21WA3KOV130 R21W4KB250 BDP 8W 220V  AC 意大利ODE

21A3ZV30D 21A2KCV15-10 21WA3ROB130 21W4KE250 12W24VDC 意大利ODE

21JNIROV12 21A2KCV25-08 21WA3ZOV130 R21W4KE250 12W220VAC 意大利ODE

21JN1ROV23 21A2KCV45-1X 21WA3ROV130-AD 21W4KV250 14W 24V AC 意大利ODE

21T1BV17-F 21A2KCV45 21Y1KT120 R21W4KV250 14W 24V DC 意大利ODE

21T1BB22-F 21D62KRS90-L PW3KV120-T 21W4ZB250 14W 110V AC 意大利ODE

21T1BV22-F 21D62RRS90-M 21X1KT120 21W4ZE250 14W 220V AC 意大利ODE

21T1BV28-F 21K62KRS90-1FP 21A5KT45 21W4ZV250 意大利ODE

21L1K1T30 22K62KRS90-ATP 阀类—1/2” 21X4KT250 意大利ODE

21L1K1V30 21QMNL5S80 21A8KT55 21X4KV250 意大利ODE

31A3AV15 4614 21A8ZV55D 21Y4KT250 意大利ODE

31A3AV20 21A2ZV20D 21A8KV55 R21WN6RV250 意大利ODE

31A3AV25-U 21A2ZV30D 21A8ZV45D 21W4RV250-AD 意大利ODE

31A3AV25 21A2ZV55D 21H8KB120 阀类—1-1/4” 意大利ODE

31A3AV30 21T2BB22-F 21H8KE120 21W5KB350 意大利ODE

31A3EV30-U 21T2BB40-F 21H8KV120 R21W5KB350 意大利ODE

31A3FV15-U 21T2BB40-F(带网) 21H12K0B120 21W5KE350 意大利ODE

21A1KR15 21T2BB28-F 21H12K0E120 21W5KV350 意大利ODE

212N2MV30-P 21T2BV40-F 21H12K0V120 21W5ZB350 意大利ODE

31JN1WOB12 21L2K1T30 21HT4K0Y160 21W5ZV350 意大利ODE

21A2WOF55-PW 21L2K1T40 21HT4K0Y160-S 阀类—1-1/2” 意大利ODE

212N2KV30 21L2K1T55 21PW4F0T120 21W6KB400 意大利ODE

212MOAV25 21A16KT30-2757 21PW4F0V120-T R21W6KB400 意大利ODE

31JN1W0V12 31A2AV15 PW4FV120-T 21W6KE400 意大利ODE

阀类—3/4” 31A2AV20 21PW4KOT120 21W6KV400 意大利ODE
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