Special Features:

Material specs for nuts are astm a194 8m; bolts and studs is astm a193 b8m; gasket is neoprene; cushion is nobestos d-7301; glass cover is astm a240 316 sts (plate); glass is tempered borosilicate; band is volara

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.