This may occur during a system startup in which temperature rises rapidly. If the inner surface of the glass expands faster than the outer, the glass can crack. Alternatively, during external washdown, cold water on a hot sight glass can cause the outer surface to contract faster than the inner.Apr 6, 2016
What is the application of sight glass?
Often referred to as viewing glasses, they offer you a way to see the levels of liquids or gases that are traveling through a critical point of your design, monitor pressure changes, and virtually anything else that sight glass windows could allow you to do.Oct 21, 2019
What are the types of sight glass?
There are two types of sight glasses: a conventional glass disc and a glass disc fused to a metal ring during manufacturing.Jun 13, 2016
What is sight glass in piping?
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.