3DR16P55X200Y00M

原装力士乐3DR16P5-5X/200Y/00M 先导式减压阀

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武穴黎翔机电设备有限公司REXROTH力士乐销售部

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减压阀是通过调节，将进口压力减至某一需要的出口压力，并依靠介质本身的能量，使出口压力自动保持稳定的阀门。从流体力学的观点看，减压阀是一个局部阻力可以变化的节流元件，即通过改变节流面积，使流速及流体的动能改变，造成不同的压力损失，从而达到减压的目的。然后依靠控制与调节系统的调节，使阀后压力的波动与弹簧力相平衡，使阀后压力在一定的误差范围内保持恒定。
1)调压范围：它是指减压阀输出压力P2的可调范围，在此范围内要求达到规定的精度。调压范围主要与调压弹簧的刚度有关。
(2)压力特性：它是指流量g为定值时，因输入压力波动而引起输出压力波动的特性。输出压力波动越小，减压阀的特性越好。输出压力必须低于输入压力—定值才基本上不随输入压力变化而变化。
(3)流量特性：它是指输入压力—定时，输出压力随输出流量g的变化而变化的持性。当流量g发生变化时，输出压力的变化越小越好。一般输出压力越低，它随输出流量的变化波动就越小。
它可将阀前管路较高的液体压力减少至阀后管路所需的水平。这里的传输介质主要是水。减压阀广泛用于高层建筑、城市给水管网水压过高的区域、矿井及其他场合，以保证给水系统中各用水点获得适当的服务水压和流量。鉴于水的漏失率和浪费程度几乎同给水系统的水压大小成正比，因此减压阀具有改善系统运行工况和潜在节水作用，据统计其节水效果约为30%。
减压阀的构造类型很多，以往常见的有薄膜式、内弹簧活塞式等。减压阀的基本作用原理是靠阀内流道对水流的局部阻力降低水压。
JB/T2203－1999《减压阀结构长度》为主的通用类。目前国内大多数减压阀生产厂家均按本标准设计生产，但本标准也不尽无缺，规格不全。气体减压阀非常大公称通径为DN500，水用减压阀非常大公称通径DN1000。根据厂家所生产的减压阀规格及掌握的资料来看，各厂家连接尺寸也不尽统一，建议通用机械研究所对JB/T2203－1999《减压阀结构长度》进行修订。建议设计院及用户按标准选用，减压阀生产厂家按标准设计制造。
调压步骤三通先导式减压阀
类型 3DR 16
1、特性
 - 用于底板安装
 - 用于减少(P 到 A) 和限制 (A 到 T) 的系统压力阀
 - 油口安装面符合 ISO 4401
 - 符合样本 RC 45056 的底板
 - 4 个压力等级
 - 4 个调节元件，可选：
    · 旋钮
    · 六角套筒和保护帽
    · 带刻度可锁定旋钮
    · 带刻度旋钮
2、常用型号
R900919502 3DR 16 P5-5X/50Y/00M
R900916666 3DR 16 P5-5X/100Y/00M
R900916668 3DR 16 P5-5X/200Y/00M
R900917775 3DR 16 P5-5X/250Y/00M
R900921460 3DR3U 16 HP5-5X/250Y6EG24N9K4/00M
R900921459 3DR3U 16 DP5-5X/250Y6EG24N9K4/00M
3、三通先导式减压阀 3DR 10 常用型号：
R900916661 3DR 10 P5-6X/315Y/00M
R900916660 3DR 10 P5-6X/200Y/00M
R900916663 3DR 10 P5-6X/100Y/00M
R900777310 3DR3U 10 HP5-6X/200Y6EG24N9K4/00V
3DR16P5-5X/200Y/00M力士乐先导式减压阀
博世 力士乐 先导阀 减压阀 压力控制阀 压力阀 Bosch Rexroth 先导式减压阀 阀门
德国博世力士乐工业液压
三通先导式减压阀
4、相关型号
3DR10P5-6X/100Y/00V
3DR10P5-6X/200Y/00V
3DR16P5-5X/100Y/00M
3DR10P4-61/100Y/00M
3DR10P4-61/100Y/00M
3DR10P4-61/100Y/00M
3DR10P4-61/100Y/00M
3DR10P4-61/100Y/00M
3DR10P4-61/100Y/00M
3DR10P4-61/100Y/00M
3DR10P4-61/100Y/00M
3DR10P4-61/100Y/00M
3DR10P4-6X/200Y/00M
3DR10P4-6X/200Y/00M
3DR10P4-6X/50Y/00M
3DR10P5-6X/100Y/00M
3DR10P5-6X/100Y/00M
3DR10P5-6X/200Y/00M
3DR10P5-6X/200Y/00M
3DR10P5-6X/200Y/00M
3DR10P5-6X/200Y/00M
3DR10P5-6X/200Y/00M
3DR10P5-6X/200Y/00V
3DR10P5-6X/315Y/00M
3DR16P4-5X/100Y/00V
3DR16P4-5X/100Y/00V
3DR16P4-5X/200Y/00M
3DR16P4-5X/250Y/00M
3DR16P5 -5X/100Y/00M
3DR16P5-52/100Y/00M
3DR16P5-52/100Y/00M
3DR16P5-5X/100Y/00M
3DR16P5-5X/100Y/00M
3DR16P5-5X/100Y/00M
3DR16P5-5X/100Y/00M
3DR16P5-5X/100Y/00M
3DR16P5-5X/200Y/00M
3DR16P5-5X/200Y/00M
3DR16P5-5X/200Y/00M
3DR16P5-5X/250Y/00M
3DR16P5-5X/50Y/00M
5、其他系列部分型号
3DRE10P-7X/200YG24K4A1V
3DREE 10 P-7X/200XYG24K31A1V
3DREE 16 P-7X/200XYG24K31A1V
3DREE 16 P-7X/200YG24K31A1V
3DREE10P-6X/100YG24K31V
3DREE10P-71/200YG24K31A1V
3DREE10P-7X/100YG24K31/A1V
3DREE10P-7X/200YG24K31/A1V
3DREE10P-7X/200YG24K31A1V
3DREE10P-7X/200YG24K31A1V
3DREE10P7X/315YG24K31/V
3DREE10P-7X/315YG24K31F1V
3DREE16P-7X/200XYG24K31A1V
3DREE16P-7X/200XYG24K31A1V
3DREE16P-7X/200YG24K31/A1V
3DREE16P-7X/200YG24K31A1V
3DREE16P-7X/200YG24K31A1V
3DREE16P-7X/200YG24K31A1V
3DREE16P-7X/200YG24K31A1V
3DREE16P-7X/200YG24K31F1V
3DREE16P-7X/200YG24K31F1V
3DREM 16 P-7X/200YG24K4V
3DREM10P-7X/100YG24K4V
3DREM10P-7X/100YG24K4V
3DREM10P-7X/200YG24K4V
3DREM16P-7X/200YG24K4V
3DREME 10 P-7X/315YG24K31A1V
3DREME 10 P-7X/315YG24K31A1V
3DREME 10 P-7X/315YG24K31V
3DREME 16 P-7X/200YG24K31A1V
3DREME10P-70/200YG24K31/A1V
3DREME10P-70/200YG24K31/A1V
3DREME10P-71/200YG24K31F1V
3DREME10P-7X/200YG24K31F1V
3DREME16P -7X/100XYG24K31F1V
3DREME16P-70/200YG24K31A1V
3DREME16P-70/200YG24K31A1V
3DREME16P-7X/100XYG24K31F1V
3DREME16P-7X/200YG24K31F1V
3DREME16P-7X/200YG24K31F1V
3DREME16P-7X/200YG24K31F1V
3DREME16P-7X/200YG24K31F1V
3DREME16P-7X/200YG24K31F1V
3DREME16P-7X/200YG24K31V
3DREME16P-7X/250YG24K31F1V
3DREME16P-7X/250YG24K31F1V
3DREP 6C-2X/25EG24N9K4/M
3DREP6C -2X/25EG24N9K4/M
3DREP6C -2X/25EG24N9K4/M
3DREP6C-2X/25EG24N9K4/M
3DREP6C-2X/25EG24N9K4/M
3DREP6C-2X/25EG24N9K4/M
3DREP6C-2X/25EG24N9K4/M
3DREP6C-2X/25EG24N9K4/V
3DREPE 6 C-2X/25EG24N9K31/A1M
3DREPE-6C 2X/25 EG24N9K31/A1M
3DREPE-6C-2X/25EG24K31/A1M
3DREPE-6C-2X/25EG24K31/A1M
3DREPE6C-2X/45EG24N9K31/A1V

3DREME16P-7X/200YG24K31A1V
3DREME16P-7X/200YG24K31A1V
3DREME16P-7X/200YG24K31A1V


通过比例线圈设置 A 或 B 中的压力。具体压力取决于电流。线圈（5，6）断电后，控制阀芯（2）将通过压缩弹簧（8）保持在中心位置。油口 A 和 B 连接到 T，以便液压油可以不受阻挡地流入油箱。通过为比例线圈（例如线圈 "a"（5））通电，压力测量阀芯 （3）和控制阀芯（2）将向右移动。这样将通过具有渐进流量特性的节流截面，打开从 P 到 B 及从 A 到 T 的连接。在通道 B 中形成的压力以压力测量阀芯（4）的表面作用于控制阀芯，并与磁力相反。压力测量阀芯（4）受线圈 "b" 支撑。如果压力超过线圈 "a" 上设置的值，将逆磁力方向回推控制阀


芯 （2），并建立 B 与 T 的连接，直到重新获得设置的压力。压力与线圈电流成比例。在关闭线圈后，控制阀芯（2）将通过压缩弹簧（8）返回中心位置。通过可选的手动操控（9，10），可使控制阀芯（2）在无线圈通电的情况下发生位移。


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R900750200,3DREME16P-6X/100XYG24K31V


R900729550,3DREME16P-6X/100YG24K31V


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R901326353,DRE30-6X/200YG24-8K4M


R901311434,DRE30-6X/200YG24K4M


R901351876,DRE30-6X/200YMG24-8K4M


R901349861,DRE30-6X/315YG24-8K4M


R901311433,DRE30-6X/315YMG24K4M


R901333459,DRE30-6X/50YG24-8K4M


0811402055,DRE6X-1X/175MG24-8NZ4M


0811402060,DRE6X-1X/175MG24-8NZ4M-6


0811402062,DRE6X-1X/20MG24-8NZ4M


0811402056,DRE6X-1X/245MG24-25NZ4M


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0811402053,DRE6X-1X/75MG24-25NZ4M


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