力士乐比例阀0811405144

力士乐比例阀0811405144 德国力士乐优质商品 低价销售 特价现货 优质供应 全国联保 欢迎来电咨询

我公司专业代理博世力士乐（BOSCH-REXROTH）、阿托斯ATOS、派克Parker、迪普马DUPLOMATIC、油研YUKEN;本特利bentley、贝加莱B&R、西门子、光洋KOYO，美国ASCO，美国PARKER派克 等系列进口产品 

力士乐比例阀0811405144   比例阀 阀对流量的控制可以分为两种：

一种是开关控制：要么全开、要么全关，流量要么、要么小，没有中间状态，如普通的电磁直通阀、电磁换向阀、电液换向阀。

另一种是连续控制：阀口可以根据需要打开任意一个开度，由此控制通过流量的大小，这类阀有手动控制的，如节流阀，也有电控的，如比例阀、伺服阀。

所以使用比例阀或伺服阀的目的就是：以电控方式实现对流量的节流控制（当然经过结构上的改动也可实现压力控制等），既然是节流控制，就必然有能量损失，伺服阀和其它阀不同的是，它的能量损失更大一些，因为它需要一定的流量来维持前置级控制油路的工作。

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4WRL16V200M-3X/G24Z4/M 0811404206 4WRL16V120M-3X/G24Z4/M 0811404193 4WRL10W1-80S-3X/G24TZ4/M 0811404192 4WRL10E80S-3X/G24ETK0/M-750 0811404191 4WRL10E80S-3X/G24K0/M-750 0811404190 4WRL10E1-80S-3X/G24TZ4/M 0811404189 4WRL10E80S-3X/G24TZ4/M 0811404188 4WRL10W80S-3X/G24ETZ4/M 0811404187 4WRL10W4-80S-3X/G24Z4/M 0811404186 4WRL10E4-80S-3X/G24Z4/M 0811404185 4WRL10W1-80S-3X/G24ETZ4/M 0811404184 4WRL10W1-80S-3X/G24Z4/M 0811404183 4WRL10W80S-3X/G24Z4/M 0811404182 4WRL10E1-80S-3X/G24ETZ4/M 0811404181 4WRL10E1-80S-3X/G24Z4/M 0811404180 4WRL10E80S-3X/G24Z4/M 0811404179 4WRPH6C3B12L-2X/G24K0/M-784 0811404177 4WRPH6XB12L-2X/G24K0/M-843 0811404175 4WRPH6XB40L-2X/G24Z4/M-842 0811404174 4WRPH6C3B40L-2X/G24Z4/M-561 0811404172 4WRPH6CB25P-2X/G24Z4/M 0811404171 4WRPH6C4B40L-2X/G24K0/M-750 0811404170 4WRPH6C3B40L-2X/G24K0/M-750 0811404169 4WRPH6C3B24L-2X/G24K0/M-750 0811404167 4WRPH6C4B24L-2X/G24K0/M-750 0811404166 4WRPH6XB12L-2X/G24Z4/M-842 0811404164 4WRPH6C3B24L-2X/G24Z4/M-561 0811404163 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