(Aluminosilicate Transparent Level Gauge Glass)
Product Overview
Aluminum Silicon Transparent Gauge Glass is a flat, clear aluminosilicate glass. It’s used in liquid level gauges so you can see liquid levels directly and accurately.
Aluminum silicon glass is stronger than standard borosilicate gauge glass. It resists pressure and thermal shock better, too. It lasts longer in tough jobs. This includes boilers, chemical vessels, and power plant systems.
This product is commonly used where clear visuals and process safety are essential.
Material Engineering & E-E-A-T Background
We provide industrial gauge glass parts for OEM manufacturers, EPC contractors, and maintenance teams. We manufacture our aluminum silicon transparent gauge glass from controlled aluminosilicate mixes. This ensures it performs consistently across different batches.
Manufacturers make all products for continuous industrial use, not for labs or decoration. They supply customers in the energy, chemical, and process industries worldwide.
Why Aluminum, Silicon, and Glass for Transparent Level Gauges?
Higher Mechanical Strength
Aluminum silicon (aluminosilicate) glass is stronger than regular borosilicate glass. This means it bends and withstands impacts better. As a result, it is less likely to break under pressure changes.
Improved thermal stability
-
Better resistance to rapid temperature changes.
-
Lower failure risk during startup and shutdown cycles.
Long-Term Sealing Reliability
Dense glass structure ensures stable sealing with mica or graphite gaskets, even with cyclic loads.
Working Principle in Transparent Level Gauges
In transparent gauge assemblies, aluminum silicon gauge glass allows direct viewing of the liquid through the glass panel.
Unlike reflex gauge glass, this design lacks prismatic grooves. The operator directly sees the liquid level and color. This clarity makes it ideal for:
-
Clean liquids
-
Colorless or lightly colored media
-
Applications requiring visual confirmation of fluid conditions
Typical Industrial Applications
Aluminum silicon transparent gauge glass is commonly used in:
-
Steam boilers and drum level indicators
-
Chemical processing vessels
-
Petrochemical storage tanks
-
Power plant auxiliary systems
-
Marine and offshore equipment
-
Water treatment and industrial utilities
Ideal for medium to high-pressure transparent level gauges. Standard glass often has a short lifespan.
Technical Specifications
Material Properties
| Property | Value |
|---|---|
| Glass Type | Aluminum Silicon (Aluminosilicate) |
| Density | ~2.5 g/cm³ |
| Bending Strength | ≥ 150 MPa |
| Continuous Working Temperature | ≤ 350 °C |
| Short-Term Temperature | ≤ 400 °C |
| Thermal Shock Resistance | ≥ 220 °C |
| Light Transmittance | ≥ 90% |
📥 Download Technical Datasheet (PDF)
Pressure & Temperature Capability
Typical operating limits when correctly installed in certified gauge frames:
-
Working Pressure: up to 16 MPa (PN160)
-
Recommended Operating Temperature: ≤ 350 °C
The actual pressure rating depends on several factors: gauge design, gasket material, bolt torque, and installation conditions. Engineering verification is recommended for critical systems.
Standard Sizes & Dimensions
Common Transparent Gauge Glass Sizes
| Thickness (mm) | Width (mm) | Length (mm) |
|---|---|---|
| 17 | 30 | 140 / 165 / 190 |
| 19 | 30 | 220 / 250 |
| 22 | 34 | 280 / 320 |
| 25 | 34 | 340 / 370 |
| 30 | 34 | 400 / 500 |
Custom sizes, edge finishes, and drilling are available upon request.
Surface Finish & Compatibility
-
Precision-ground sealing surfaces
-
Flat transparent viewing area
-
Compatible with:
-
Mica gaskets
-
Graphite gaskets
-
Carbon steel & stainless steel gauge frames
-
Suitable for both new installations and replacement projects.
Installation & Maintenance Recommendations
-
Always replace gaskets when installing new glass.
-
Tighten bolts evenly according to torque guidelines.
-
Avoid solid particles or abrasive media contact.
-
We recommend regular inspection in high-temperature service.
Proper installation significantly extends the service life.
Why Choose Our Aluminum-Silicon Transparent Gauge Glass
-
Industrial-grade aluminosilicate material
-
Stable quality for OEM & maintenance supply
-
Proven export experience in the power and chemical sectors.
-
Technical support for size selection and application matching.
-
Reliable long-term availability
We focus on engineering reliability and operational safety, not low-cost compromises.
Ordering Information
To receive a quotation, please provide:
-
Required dimensions (thickness × width × length)
-
Working pressure and temperature
-
Medium type
-
Quantity and delivery destination
Samples and technical drawings are available upon request.
Contact Us
Email: info@hsahglass.com
WhatsApp: 8618632879676
Website: www.hsahglass.com
Contact us for pricing, datasheets, OEM cooperation, or bulk supplies.





