Device for actuation of closing element of fitting for, e.g. ball valve, has clutch that is arranged between projection and sliding portion, such that closing element is opened and closed according to rotation direction of drive shaft

摘要

The device (10) has a drive shaft (30) whose cylindrical projection (32) is connected with an electric drive (20) and a sliding portion (34) is connected with a closing element (12). A clutch (40) is arranged between the projection and sliding portion, such that the closing element is opened in one rotation direction (D1) of drive shaft and closed in opposite rotation direction (D2) of the shaft.