Tubular gauge glass

Tubular gauge glass

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Tubular gauge glass refers to a specific type of glass used in liquid level gauges, particularly in steam boilers and other vessels where accurate monitoring of liquid levels is crucial. The tubular gauge glass is typically cylindrical or tubular in shape and is mounted on the external surface of a vessel or a boiler. Its primary purpose is to visually indicate the level of liquid inside the container.

Here are some key features and characteristics of tubular gauge glass:

Material: Tubular gauge glass is commonly made from borosilicate glass due to its excellent thermal and chemical resistance. This ensures that the glass can withstand the harsh conditions often found in industrial settings, particularly in steam boilers.

Design: The glass is shaped like a tube or cylinder, allowing for a clear visual observation of the liquid level. The tube is usually mounted between two valve bodies or liquid chambers, and the liquid level inside the tube corresponds to the level inside the vessel.

Installation: Tubular gauge glasses are typically installed parallel to the vessel or boiler, and they may have protective shields or metal guards to prevent accidental breakage or injury.

Temperature and Pressure: These glasses are designed to withstand high temperatures and pressures commonly found in steam boiler applications. The borosilicate glass used is chosen for its ability to resist thermal shock.

Visibility: The transparency of borosilicate glass allows for easy and accurate visual inspection of the liquid level. Any variations in the liquid level inside the tube are immediately visible to the observer.

Maintenance: Tubular gauge glasses require periodic maintenance to ensure clarity and to clean any deposits that may accumulate on the inner surface, which could obstruct the view of the liquid level.

Redline or Grooving: Some tubular gauge glasses feature a red line or grooving on the surface. The red line is a safety feature that indicates the minimum liquid level; if the liquid falls below this point, it could expose the glass to excessive heat and cause damage.

Tubular gauge glasses play a crucial role in ensuring the safe and efficient operation of steam boilers and other vessels by providing a direct visual indication of the liquid level. Regular inspection and maintenance of these components are important for their proper functioning and to prevent any potential safety hazards associated with inaccurate level readings.