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
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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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液控伺服阀主要是指电液伺服阀,它在接受电气模拟信号后,相应输出调制的流量和压力。它既是电液转换元件,也是功率放大元件,它能够将小功率的微弱电气输入信号转换为大功率的液压能(流量和压力)输出。在电液伺服系统中,它将电气部分与液压部分连接起来,实现电液信号的转换与液压放大。电液伺服阀是电液伺服系统控制的核心。
液控伺服阀是在伺服系统中将电信号输入转换为功率较大的压力或流量压力信号输出的执行元件。它是一种电液转换和功率放大元件。伺服阀的灵敏度高,快速性好,能将很小的电信号(例如10毫安)转换成很大的液压功率(如几十匹马力以上),可以驱动多种类型的负载。过去人们曾把喷嘴档板阀、射流管或滑阀伺服马达等液压放大装置都列入伺服阀范围内。20世纪70年代以来,伺服阀一般仅指电液伺服阀。
典型的伺服阀由永磁力矩马达、喷嘴、档板、阀芯、阀套和控制腔组成(见图)。当输入线圈通入电流
常用型号:
R900057401 Z2FS10B3-3X/SV
R900205531 Z2FS10-5-3X/SO30
R900438760 Z2FS6B2-4X/1QV
R900438820 Z2FS6-7-4X/1Q
R900439389 Z2FS6A2-4X/2QV
R900440565 Z2FS6B2-4X/2QV
R900441810 Z2FS6-7-4X/2QV
R900443176 Z2FS22-8-3X/S2
R900451197 Z2FS6A7-4X/2QV
R900455714 Z2FS6-3-4X/2QV
R900456783 Z2FS22-8-3X/S
R900457256 Z2FS16-8-3X/S2
R900459203 Z2FS16-8-3X/S
R900465879 Z2FS6B7-4X/2QV
R900468786 Z2FS22-8-3X/S2V
R900470529 Z2FS16-8-3X/SV
R900473688 Z2FS16-8-3X/S2V
R900474580 Z2FS22-8-3X/SV
R900476838 Z2FS6-5-4X/2QV
R900481621 Z2FS6-2-4X/1Q
R900481622 Z2FS6-2-4X/2Q
R900481623 Z2FS6-2-4X/1QV
R900481624 Z2FS6-2-4X/2QV
R900505004 Z2FS6-5-4X/2Q
R900517812 Z2FS10-5-3X/V
R900517813 Z2FS10A5-3X/SV
R900517814 Z2FS10B5-3X/S2V
R900520680 Z2FS10B5-3X/SV
R900523578 Z2FS10A5-3X/S2V
R900523737 Z2FS10-3-3X/V
R900523926 Z2FS10-7-3X/V
R900524995 Z2FS10A3-3X/SV
R900526879 Z2FS4-2-1X/2QV
R900532275 Z2FS6A5-4X/1QV
R900564521 Z2FSK6-2-1X/2QV
R900564522 Z2FSK10-2-1X/2QV
R900571890 Z2FS10A5-3X/S2
R900581165 Z2FS6-7-4X/1QV
R900581526 Z2FS6A2-4X/1QV
R900582339 Z2FS6B3-4X/2QV
R900582719 Z2FS6-5-4X/1QV
R900584417 Z2FS6B3-4X/1QV
R900586224 Z2FS6-3-4X/1QV
R900591603 Z2FS6A5-4X/2QVRexroth比例减压阀是把设备可能点燃爆炸性气体混合物的部件全部封闭在一个外壳内,其外壳能够承受通过外壳任何接合面或结构间隙,渗透到外壳内部的可燃性混合物在内部爆炸而不损坏,并且不会引起外部由一种、多种气体或蒸气形成的爆炸性环境的点燃,把可能产生火花、电弧和危险温度的零部件均放入隔爆外壳内,隔爆外壳使设备内部空间与周围的环境隔开。隔爆外壳存在间隙,因电气设备呼吸作用和气体渗透作用,使内部可能存在爆炸性气体混合物,当其发生爆炸时,外壳可以承受产生的爆炸压力而不损坏,同时外壳结构间隙可冷却火焰、降低火焰传播速度或终止加速链,使火焰或危险的火焰生成物不能穿越 隔爆间隙点燃外部爆炸性环境,从而达到隔爆目的。
R900727967 Z2FS6-2-4X/2QV/60
R900989095 Z2FS10-5-3X/
R900989099 Z2FS10A5-3X/S
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