Valve operator means, eg handwheel, with position indicator

摘要

The operator means comprises a moveable part (12), which is fixedly connected to a valve stem (34) when in use, a fixed part (14), which is fixedly connected to a valve body when in use, and indicator means (54) which indicate the degree of opening of the valve. At least one part (54) of the indicator means is provided on the fixed part (14), and engagement means (40), are provided on the moveable part (12) so that upon movement therefore, the engagement means (40) engage the said at least one part (54) of the indicator means. This changes the indication of the degree of opening of the valve as displayed by the said at least one part (54) of the indicator means. IMAGE