QB640H带手轮手动操作器球阀

QB640H-64B,QB640H-10C,QB640H-16C,QB640H-25C,QB640H-40C,QB640H-64C,QB640H-10P,QB640H-16P,QB640H-25P,QB640H-40P,QB640H-64P,QB640H-10G,QB640H-16G,QB640H-25G,QB640H-40G,QB640H-64G,QB640H-10W,QB640H-16W,QB640H-25W,QB640H-40W,QB640H-64W,QB640H-10J,QB640H-16J,QB640H-25J,QB640H-40J,QB640H-64J,QB640H-10D,QB640H-16D,QB640H-25D,QB640H-40D

QB640H，QB640Y型气动偏芯半球阀（采用AW型执行器、带手轮手动操作器）概述

QB640H，QB640Y型气动偏芯半球阀（采用AW型执行器、带手轮手动操作器）是一种直角旋转的控制阀，由活塞式双作用或单作用（弹簧复位式）气动执行器和偏芯半球阀组成，它与电气阀门定位器或电磁阀配套使用，可实现对工艺管路中流体介质的调节或切断控制。半球切口的球体与阀座之间具有剪切作用，特别适用于含有纤维、微小固体颗粒、纸浆、煤灰等介质的工况.