A transparent gauge glass is a type of sight glass that provides a clear view of the liquid level inside a tank or vessel. Unlike reflex glasses that rely on light refraction to indicate level, transparent glasses allow direct observation of the liquid and vapor interface between two polished glass plates.
High-pressure transparent level gauge glasses are critical components in industrial applications where accurate, real-time visual monitoring of liquid levels is essential. Used extensively in boilers, pressure vessels, and chemical tanks, these sight glasses allow operators to observe fluid levels safely and precisely under extreme conditions.
Transparent level gauges use two polished glasses mounted on opposite sides of the liquid chamber. When viewed from the front, the observer can see the actual liquid inside the gauge:
Tempered Borosilicate Level
High-pressure transparent level gauge glasses serve as an indispensable tool in environments where monitoring the exact level of fluids under high pressure is critical.
Unlike their reflex counterparts, these gauges employ two pieces of flat, transparent glass mounted on opposite sides of a tank or vessel, allowing operators to observe the fluid level directly. This design is particularly advantageous in applications where it is essential to view the characteristics of the fluid itself, such as color, clarity, and the presence of any sediments or separations.
The straightforward, yet effective, visibility provided by these gauges makes them a key component in maintaining operational safety and efficiency, ensuring precise fluid management in even the most demanding industrial settings.
| THK b | RD r | 2 | 3 | 4 | 5 | 6 | 7 | 8m | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.18" | 0.59" | 140 mm | 165 mm | 190 mm | 220 mm | 250 mm | 280 mm | 320 mm | 340 mm | 370 mm | 400 mm |
| 1.34" | 0.67" | 5-1/2" | 6-1/2" | 7-1/2" | 8-5/8" | 9-7/8" | 11" | 12-5/8" | 13-3/8" | — | — |
| Property | Specification |
|---|---|
| Hydrolytic Resistance | HGB 1 (ISO 719) |
| Acid Resistance | CLASS S1 (ISO 1776) |
| Alkaline Resistance | CLASS A2 (ISO 695) |
| SiO₂ | Minimum content 80% |
| B₂O₃ | Minimum content 13% |
| Na₂O + K₂O | Minimum content 4.5% |
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