It is vital for the safety of the plant and personnel to be certain these instruments are properly installed, maintained, and routinely inspected.

Water gage glasses continue to be a vital instrument on power boilers that are constructed to comply with the requirements of the American Society of Mechanical Engineers’ (ASME’s) Boiler and Pressure Vessel Code.

Over the past 20 years, there have been a number of significant revisions to Section 1 of the ASME Boiler and Pressure Vessel Code relating to water level instrumentation.