Special Features:

This is one of three major components of a mechanical position indicator on the gearbox/actuator for a 4" ball valve. This item has red enamal painted area that aligns with a indicator plate (find 173) with open/shut markings at 90 degrees to each other. The third component is a flange-like item called an indicator.

Properties:

An item specifically designed to show the open, intermediate, and closed disk relationship to the valve seat. It may be of various shapes, sizes, and mechanical designs such as glass tube, needle and slot. Excludes indicator (1), position; glass, liquid sight indicator, flat.