产品详情
D41FCB31FC1NE70 现货德国产PARKER比例阀
经营产品：
阀类：电磁阀、换向阀、单向阀、溢流阀、减压阀、平衡
阀、插装阀、比例阀等
泵类：齿轮泵、柱塞泵、叶片泵等
承诺：保证原装正品，假一赔十 量大价格好商量！！
武穴黎翔机电设备有限公司PARKER派克销售部
询价联系人：陈工
询价热线： 0713-8529058，18995766168
询价QQ: 1477538929， 2593165857
欢迎您的来电！
传真：0713-6542758
广泛应用于钢铁、冶金、铝行业、石油化工、航天、船舶制造、煤炭、水泥、电力、汽车、工程机械、食品、药业、林业、纺织、皮革、造纸等行业领域
D*1FH系列为带有主阀芯位置电反馈的高性能电液比例方向控制阀，供货规格范围为 NG10 (CETOP 05) 至 NG 32 (CETOP 10)，共有5种规格：D31FH --G10; D41FH -- NG16 ; D81FH -- NG 25; D91FH -- NG 25; D111FH -- NG 32 。典型的应用工况有：要求具有高精度及高重复性流量调节的功能的应用工况。利用对阀芯位置监控的功能，该系统阀适用于对液压压机的高速/缓速运动模式的控制，也适用于动态位置控制及P/Q闭环控制系统。派克PARKER 比例阀D81FH系列 大量现货
技术特征：
● 滞环极小
● 阀芯具有零遮盖和正遮盖两种结构
● 带阀芯位置反馈
● 动态响应高，中位监测选项
● 驱动装置：比例电磁铁
● 安装面尺寸： DIN 24340 ISO4401 CETOP RP121 NFPA
● 安装姿态： 任意
● 环境温度：-20---+60 °C
● 最高工作压力：油口P,A,B,T,X 最高350 bar, 油口Y最高10 bar
比例阀采用阀芯+阀体结构。伺服阀和伺服比例阀主要应用在闭环控制系统，比例阀的驱动装置是比例电磁铁。
伺服阀的驱动装置是力马达或力矩马达.阀体兼作阀套。
驱动装置不同.所以近些年出现了比例伺服阀。
比例阀一般最高几十Hz，伺服阀中位没有死区，伺服阀对液压油液的要求更高.性能参数不同；否则容易堵塞，
用来控制流量和流向，比例阀要求低一些.比例阀有中位死区；
比例阀和伺服阀的区别主要体现在以下几点：
逐渐向伺服阀靠近，
比例换向阀属于比例阀的一种，滞环、中位死区、频宽、过滤精度等特性不同.阀的额定压降不同；比例换向阀具有与普通换向阀相似的中位机能，
而比例伺服阀性能介于伺服阀和比例阀之间，因此应用场合不同，伺服阀和伺服比例阀采用阀芯+阀套的结构。中位机能种类不同.其它结构的比例阀主要应用在开环控系统及闭环速度控制系统；因为比例阀的性能越来越好；2伺服阀的频响（响应频率）更高。阀芯结构及加工精度不同.伺服阀与比例阀之间的差别并没有严格的规定。
，可以高达200Hz左右，需要精过滤才行，而伺服阀中位机能只有O型（Rexroth产品的E型）。
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派克比例阀
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