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The Heat-Resistant Transparent Reflex Gauge Glass is a high-performance industrial-grade product specifically designed for boiler liquid level observation. Crafted from premium Borosilicate 3.3 glass, it features a strip-with-groove shape that optimizes liquid level visibility. This gauge glass meets strict industrial standards and can be customized according to your specific thickness and specification requirements, ensuring seamless integration with various boiler systems. With a minimum order quantity (MOQ) of 10PCS, it is packaged in white paper boxes and then cartons to ensure safe transportation and storage.
High-borosilicate level glass, resistant to high temperatures (-30℃~400℃) and corrosion, with excellent thermal stability. Suitable for liquid level observation in industries such as chemical and pharmaceutical, offering excellent transparency and safe, reliable performance.
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Exceptional Thermal Stability: Operates stably in a wide temperature range of -30℃~400℃, resisting thermal shock and preventing cracking even under sudden temperature changes, which is crucial for boiler environments with frequent temperature fluctuations.
Superior Corrosion Resistance: Made of high-borosilicate glass, it effectively withstands corrosion from various industrial media, maintaining structural integrity and performance in long-term use.
High Transparency & Clear Observation: Boasts excellent transparency, enabling operators to accurately monitor liquid levels in boilers in real time, reducing operational risks and improving safety.
| Product name | Reflex level gauge glass |
| Material | Borosilicate 3.3 glass |
| MOQ | 10PCS |
| Grade | Industrial |
| Thickness | As your demand |
| Shape | Strip with Groove |
| Standard | As your demand |
| Package | In white paper box, then in carton |
In boiler operations, accurate liquid level monitoring is vital to avoid dry burning or overflow accidents. The Heat-Resistant Transparent Reflex Gauge Glass provides a reliable solution for this critical need.
Industrial Boiler Systems: Whether in power plants, chemical factories, or manufacturing facilities, this gauge glass is perfectly suited for boiler liquid level observation. Its high-temperature resistance ensures stable performance even in high-pressure and high-temperature boiler working conditions.
Chemical & Pharmaceutical Auxiliary Boilers: For boilers used in chemical and pharmaceutical industries where media may have corrosive properties, the product's corrosion resistance prevents damage from chemical substances, ensuring continuous and safe operation of boiler systems.



It is made of Borosilicate 3.3 glass, which is renowned for its excellent thermal stability and corrosion resistance, making it ideal for industrial boiler applications.
Yes, the thickness of the Heat-Resistant Transparent Reflex Gauge Glass can be tailored according to your specific demand, ensuring it fits your boiler system perfectly.
The product is first packed in white paper boxes and then placed in cartons, which provides double protection to avoid damage during transportation and storage.