June 26, 2025

Reflex Gauge Glass: a key component for industrial level monitoring, highly favored for its corrosion resistance and high precision  

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In recent years, with the increasing demand for liquid level measurement accuracy and safety in industries such as chemical, petroleum, and pharmaceutical, reflex level gauge glass, as a key observation component, has become a popular choice in industrial equipment due to its unique structure and excellent performance.

 

Reflex gauge glass, also known as reflex level gauge, reflex level gauge glass, boiler glass, and DIN7081 water level gauge glass and sight glass, is a special type of glass specifically designed for level gauge observation windows, with longitudinal grooves on its surface. Reflex gauge glass with grooves of 1, 2, and 4. The side with grooves faces the medium chamber, which can refract light and make the liquid level interface clearer and more visible. Even in the case of insufficient light or dark medium color, it can provide high contrast liquid level indication, greatly improving the accuracy and convenience of observation.

Core material: high borosilicate glass or aluminosilicate glass

To adapt to high temperature, high pressure, and highly corrosive environments, the reflex gauge glass is usually made of high borosilicate glass or aluminosilicate glass:

 

High borosilicate glass: It has a large heat resistance and temperature difference (can withstand temperatures up to 245 ° C when exposed to steam water, and can withstand high temperatures up to 400 ° C in less harsh environments), strong chemical corrosion resistance, and is suitable for most acidic and alkaline environments.

 

Aluminosilicate glass: has excellent surface quality and higher hardness, and is more resistant to scratches and wear.

Product features and advantages

High definition observation: Groove design enhances liquid level recognition through light refraction to avoid misreading.

 

Strong corrosion resistance: can be exposed to corrosive media such as acids, alkalis, and organic solvents for a long time.

 

Safe and reliable: It has high mechanical strength and thermal stability, reducing the risk of explosion.

Wide applicability: Compatible with multiple types of liquid level gauges (such as transparent, reflex, and dual color liquid level gauges).

Application area

Reflex gauge glass has been widely used in fields such as petroleum storage tanks, chemical reaction vessels, boiler systems, pharmaceutical equipment, and the food industry. Especially in the monitoring of flammable, explosive, or toxic media, its safety and stability are highly recognized.

 

Industry experts say that with the upgrading of industrial automation, the intelligent integration of reflex gauge glass (such as linkage with sensors) will become a future development trend, further promoting its application in high-end manufacturing.

 

As the “transparent guardian” of the liquid level monitoring system, the reflex gauge glass combines material science and engineering design perfectly, continuously safeguarding industrial safety production.