R900916657 3DR10P4-6X/100Y/00M
库存大量REXROTH柱塞泵A10VSO,齿轮泵PGH45,电磁阀4WE，电子变量泵SYDFEE-2X,电液比例控制阀0811,电液换向阀4WEH、4WE,减压阀DR10、DR20、叠加阀ZD、Z1S、Z2S,电磁溢流阀DBW，直动式溢流阀DBD、0532，先导溢流阀DB10、DB20,电磁球阀M-S、M-3S,力士乐电液比例控制阀放大器、压力继电器0811，价格好，咨询

3DR10P4-6X/100Y/00M    3DR10P4-6X/100Y/00M    3DR10P4-6X/100Y/00M
3DR10P4-6X/100Y/00M    3DR10P4-6X/100Y/00M    3DR10P4-6X/100Y/00M

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力士乐减压阀减压阀是通过调节，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。

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液压元件可分为动力元件和控制元件以及执行元件三大类。尽管都是液压元件，它们的自身功能和安装使用的技术要求也不尽相同，现分别介绍如下：

动力元件：指的是各种液压泵，齿轮泵、叶片泵、柱塞泵、螺杆泵。

  1、齿轮油泵和串联泵（包括外啮合与内啮合）两种结构型式。

  2、叶片油泵（包括单级泵、变量泵、双级泵、双联泵）。

  3、柱塞油泵，又分为轴向柱塞油泵和径向柱塞油泵，轴向柱塞泵有定量泵、变量泵、（变量泵又分为手动变量与压力补偿变量、伺服变量等多种）从结构上又分为端面配油和阀式配油两种配油方式，而径向柱塞泵的配油型式，基本上为阀式配油。）；

  执行元件：液压缸和液压马达，液压缸有活塞液压缸、柱塞液压缸、摆动液压缸、组合液压缸；液压马达有齿轮式液压马达、叶片液压马达、柱塞液压马达；

  控制元件：方向控制阀、单向阀、换向阀；

  压力控制阀：溢流阀、减压阀、顺序阀、压力继电器等；

  流量控制阀：节流阀、调速阀、分流阀；

  辅助元件：除上述三部分以外的其它元件，包括压力表、滤油器、蓄能装置、冷却器、管件
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