John C Ernst

Specialty processing and industrial plant equipment for level and flow indication. Sight flow gages/meters, drain cocks, sight glass, gaskets-circles, squares, and rectangles. Water columns, replacement parts, sight windows, flat insert gage glass and fusible plugs.

Applications include tank level indication, pipeline flow / no flow visual monitoring, lubrication, boiler firebox sights, tank windows, temperature indication, protection and more.