| 摘要 |
The present invention relates to a motor-operated valve having a sensor sensing the motion of a valve stem. According to the present invention, the motor-operated valve comprises: an actuator having a motor; a valve bonnet having a yoke of which the upper side has a coupled part coupled to the actuator; a valve body installed at the lower side of the valve bonnet and having a valve sheet inside the same, wherein the valve sheet switch to intermit the flow of fluid; a valve stem having one end coupled to the upper side of the valve sheet and the other end coupled to a drive sleeve with penetrating the drive sleeve; a sensor member longitudinally installed at a predetermined position of either the yoke or the valve stem, and sensing the motion of the valve stem; and a PCB module receiving the signal of the sensor member and the actuation signal of the actuator, and transmitting the actuation signal to a remote place. |
