A gauge glass is used at many places on a ship. Gauge glass is a kind of a level indicator which shows the amount of fluid in a tank or any other storage place on a ship. In this article we will learn as to how the maintenance of a gauge glass is done on a ship. Gauge glass are mainly used in boiler of the ship.
Before learning about boiler gauge glass maintenance lets take a quick look at the working of a gauge glass.
Working of Boiler Gauge Glass
A gauge glass has two different compartments – top side and bottom side, connected to two different sections of a boiler. The top side of the gauge glass is connected to the steam side of the boiler and the bottom side is connected to the water side of the boiler. The pressure on both sides will equalize and the level of water can be seen in the gauge glass.
Maintenance During service check up
Refer the diagram for better understanding of boiler gauge glass.
Gauge glass blow down procedure
Gauge glass should be blown before lighting up of boiler, after stopping the boiler and regularly if the level in gauge glass is suspected to be wrong.