Position indicator for valves

摘要

The present invention concerns a device and method for indicating the status of a valve. In one form, the device includes a position indicator having a monitoring element, and a communication element. The position indicator may include any one of: a position couple engageable with the valve; a ring gear mechanically coupled to the valve; a potentiometer mechanically correlated to the drive. chbm A0137002858-v1 120626528 140 1$a 150 140 '35 13015 164 - ------ 155a