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Category Archive: Sight Glass

A Guide to Sight Glass

The term “sight glass” refers to the transparent glass tube or window component of an industrial or commercial piece of equipment that allows observers to have a clear view of what is occurring within the container.

While sight glasses can serve a wide range of functions, they are primarily used for visibility. They allow operators to visually monitor the processes that occur within tanks, pipes, and other enclosed pieces of equipment. Many tanks and boiler systems contain sight glasses to help guarantee optimal quality and prevent the development of hazardous operational conditions.


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