三偏心蝶阀

德国莱克（LIK）品牌：进口三偏心蝶阀是一种旋转式偏心蝶阀，兼备调节和切断两种功能。该系列产品具有传动效率高、密封性能好、额定流量系数大、启动力矩小、使用寿命长等特点。三偏心蝶阀的阀板采用三偏心安装。关闭时，能紧压密封圈，达到较佳密封效果，打开时，与密封面迅速脱离，防止密封圈的磨损。三偏心蝶阀可双向密封，切断严密，适用于各种工况

主要技术参数（main technical data）

The offset butterfly valve is a rotation eccentri butterfly valve and has regulating and shut off function.the character is high drive efficiency,good sealing,large rated Kv,small open torque and logn life.the disc is used offset so it can impact the sealing ring when closed to arrive the best sealing effect,when open ,the disc break away from sealing surface to avoid abrasion.it can work all kinds of condition because of double sealing and shutting off tightly