R901136656 LFA25DZ2-7X/210Y
专营销售力士乐液压元件: 柱塞泵A10VSO、电磁阀4WE、电磁阀3WE、溢流阀DBW、DBDS、DB、3DR、节流阀Z2S、Z2F、叶片泵PV7、PVV、齿轮泵PH2,PH4,PGF、HM20/HM17压力传感器、压力继电器HED、博世放大器、放大板 、阀0811、0820 、齿轮泵0510、减压阀DR、ZDR、4WREE,马达伺服驱动 电机等系列*现货优势供应

LFA25DZ2-7X/210Y    LFA25DZ2-7X/210Y    LFA25DZ2-7X/210Y
LFA25DZ2-7X/210Y    LFA25DZ2-7X/210Y    LFA25DZ2-7X/210Y

节流阀是通过改变节流截面或节流长度以控制流体流量的阀门。将节流阀和单向阀并联则可组合成单向节流阀。

节流阀和单向节流阀是简易的流量控制阀，在定量泵液压系统中，节流阀和溢流阀配合，可组成三种节流调速系统，即进油路节流调速系统、回油路节流调速系统和旁路节流调速系统。

节流阀没有流量负反馈功能，不能补偿由负载变化所造成的速度不稳定，一般仅用于负载变化不大或对速度稳定性要求不高的场合。

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R900954716 DBEME30-3X/350YG24K31M
R900507009 DB20-1-5X/350
R900933648 4WE6F6X/EG24N9K4
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R900444199 S52F1-1X/
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R901086051 Z1S6P05-4X/V
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R900722763 LFA63DREWV-7X/006
R900594128 DZ10DP1-4X/25
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R900348943 M-SR15KE02-1X/
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R928028409 WE-1SP-M12X1
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R900420276 DBDS10K1X/25
R902155743 A11VO95LRDS/10R-NSD12N00
由于节流阀的流量不仅取决于节流口面积的大小，还与节流口前后的压差有关，阀的刚度小，故只适用于执行元件负载变化很小且速度稳定性要求不高的场合。
对于执行元件负载变化大及对速度稳定性要求高的节流调速系统，必须对节流阀进行压力补偿来保持节流阀前后压差不变，从而达到流量稳定。
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0532002014 PRESS RELIEF VALVE 50-300 BAR
0532002062 PRESS RELIEF VALVE 5-35 BAR
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0811402622 FESXE 40CA-1X/500LK0B1M
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节流阀按通道方式可分为直通式和角式两种；按启闭件的形状分，有针形、沟形和窗形三种。
可调节节流阀：阀针和阀芯采用硬质合金制造，产品按API6A标准设计，具有耐磨、耐冲刷性能。主要用于井口采油（气）树设备,
滑套式节流阀：阀芯采用低噪音平衡型结构，开启轻便，产品按API6A标准设计，阀芯表面覆盖碳化钨，适合于有闪蒸、高压差，高压力，空化等条件苛刻的场合，使用寿命长，流量调节精度大大提高。适用于石油，天然气，化工，炼油，水电等行业。
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R900420531 S10A1.0/
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R901000846 DBET-6X/200G24K4V
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