特价伺服阀DBEM10-5X/100YG24K4M

伺服阀DBEM10-5X/100YG24K4M

伺服阀DBEM10-5X/100YG24K4M公司询价联系人：何女士。手机：/.
MOOG 阀  D634-371C R24K02M0NSS2 现货
力士乐比例阀R900925687 4WRAE10W1-30-22/G24N9K31/F1V 现货2台
DBETBEX-1X/315G24K31F1M 现货1台 力士乐气动aventics安沃驰
伺服阀其实缺点极多：能耗浪费大、容易出故障、抗污染能力差、价格昂贵等等等等，好处只有一个：动态性能是所有液压阀中高的。就凭着这一个优点，在很多对动态特性要求高的场合不得不使用伺服阀，如飞机火箭的舵机控制、汽轮机调速等等。动态要求低一点的，基本上都是比例阀的天下了。DBEE10-5X/315YG24K31M
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一般说来，好像伺服系统都是闭环控制，比例多用于开环控制；其次比例阀类型要多，有比例压力、流量控制阀等，控制比伺服要灵活一些。从他们内部结构看，伺服阀多是零遮盖，比例阀则有一定的死区，控制精度要低，响应要慢。但从发展趋势看，特别在比例方向流量控制阀和伺服阀方面，两者性能差别逐渐在缩小，另外比例阀的成本比伺服阀要低许多，抗污染能力也强！R900244032 DBEMT-3X/200YG24NK4
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