Special Features:

Dlength 5.250 inches; width 3.3125 inches; height 4.3125 inches; diameter of sight opening 1.125 inches; glass disc material - temp soda lime; seal gasket material - vitron; rotating wheel - delrin

Properties:

An item so designed to have a portion or all of its body transparent to permit the visual examination of the amount of liquid in a pressure vessel, boiler, evaporator, still, processing tank, reservoir, pipe tubing line, and the like, and/or to determine the flow to a lubricated part. It may also be provided with an element that changes colors to indicate changes in moisture content. The item may have a means for refilling. Excludes indicator, liquid quantity and indicator, rate of flow.