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High Pressure Aluminosilicate Gauge Glass
High Pressure Aluminosilicate Gauge Glass is engineered for extreme industrial environments where high mechanical strength, thermal stability, and long-term safety are required.
It is widely used in high-pressure boilers, chemical reactors, vacuum systems, and process vessels, providing reliable visual level indication under demanding operating conditions.
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Technical data
High Pressure Aluminosilicate Gauge Glass Overview
High Pressure Aluminosilicate Gauge Glass is specifically designed for industrial process observation applications operating under high pressure, high temperature, and aggressive chemical environments.
Compared with standard borosilicate glass, aluminosilicate material provides significantly higher mechanical strength and improved resistance to thermal shock, making it suitable for critical applications such as high-pressure boilers, chemical processing equipment, and vacuum systems.
Each gauge glass is manufactured through precision cutting, fine grinding, and double-side polishing processes to ensure accurate dimensions, excellent surface flatness, and reliable sealing performance under long-term operation.
This product is engineered to maintain stable optical clarity and structural integrity even under continuous exposure to fluctuating pressure and temperature conditions.
Custom dimensions, thicknesses, and pressure resistance designs can be produced according to specific engineering and project requirements.
High Pressure Aluminosilicate Gauge Glass — Technical Data
| Parameter | Value |
|---|---|
| Executive Standard | DIN 7081 (Transparent & Reflex) |
| Max Pressure Resistance | 320–400 Bar (dimension dependent) |
| Max Operating Temperature | ≤375°C |
| Thermal Shock Resistance | ≥280°C differential |
| Flexural Strength | 240–450 MPa |
| Young’s Modulus | 84–112 GPa |
| Softening Point | 920–950°C |
| Alkali Resistance (ISO 695) | Class A2–A1 (Superior) |
| Acid Resistance (DIN 12116) | Class A1 |
Cross-section drawing
Dimensions — Aluminosilicate Gauge Glass
| Transparent glass according to DIN 7081 – 30 mm width | ||||
|---|---|---|---|---|
| Length in mm | Width in mm | Thickness in mm | MAXOS®Product code | Lumiglas code |
| 115 | 30 | 17 | 2071768 | LMX2071768 |
| 140 | 30 | 17 | 2071769 | LMX2071769 |
| 165 | 30 | 17 | 2071770 | LMX2071770 |
| 190 | 30 | 17 | 2071771 | LMX2071771 |
| 220 | 30 | 17 | 2071772 | LMX2071772 |
| 250 | 30 | 17 | 2071773 | LMX2071773 |
| 280 | 30 | 17 | 2071774 | LMX2071774 |
| 320 | 30 | 17 | 2071775 | LMX2071775 |
| 340 | 30 | 17 | 2071776 | LMX2071776 |
| Other sizes can be customized. | ||||
| Transparent glass according to DIN 7081 – 34 mm width | ||||
|---|---|---|---|---|
| Length in mm | Width in mm | Thickness in mm | MAXOS®Product code | Lumiglas code |
| 95 | 34 | 17 | 2071817 | LMX2071817 |
| 115 | 34 | 17 | 2071777 | LMX2071777 |
| 140 | 34 | 17 | 2071778 | LMX2071778 |
| 165 | 34 | 17 | 2071779 | LMX2071779 |
| 190 | 34 | 17 | 2071780 | LMX2071780 |
| 220 | 34 | 17 | 2071781 | LMX2071781 |
| 250 | 34 | 17 | 2071782 | LMX2071782 |
| 280 | 34 | 17 | 2071783 | LMX2071783 |
| 300 | 34 | 17 | 2071784 | LMX2071784 |
| 320 | 34 | 17 | 2071785 | LMX2071785 |
| 340 | 34 | 17 | 2071786 | LMX2071786 |
| 370 | 34 | 17 | 2071787 | LMX2071787 |
| 400 | 34 | 17 | 2071788 | LMX2071788 |
| 420 | 34 | 17 | 2071790 | LMX2071790 |
| 460 | 34 | 17 | 2071791 | LMX2071791 |
| 480 | 34 | 17 | 2071792 | LMX2071792 |
| 500 | 34 | 17 | 2071793 | LMX2071793 |
| Other sizes can be customized. | ||||
| Reflective glass according to DIN 7081 – 30 mm width | ||||
|---|---|---|---|---|
| Length in mm | Width in mm | Thickness in mm | MAXOS®Product code | Lumiglas code |
| 115 | 30 | 17 | 2071675 | LMX2071675 |
| 140 | 30 | 17 | 2071676 | LMX2071676 |
| 165 | 30 | 17 | 2071677 | LMX2071677 |
| 190 | 30 | 17 | 2071678 | LMX2071678 |
| 220 | 30 | 17 | 2071679 | LMX2071679 |
| 250 | 30 | 17 | 2071680 | LMX2071680 |
| 280 | 30 | 17 | 2071681 | LMX2071681 |
| 320 | 30 | 17 | 2071682 | LMX2071682 |
| 340 | 30 | 17 | 2071683 | LMX2071683 |
| Other sizes can be customized. | ||||
| Reflective glass according to DIN 7081 – 34 mm width | ||||
|---|---|---|---|---|
| Length in mm | Width in mm | Thickness in mm | MAXOS®Product code | Lumiglas code |
| 95 | 34 | 17 | 2071716 | LMX2071716 |
| 115 | 34 | 17 | 2071684 | LMX2071684 |
| 140 | 34 | 17 | 2071685 | LMX2071685 |
| 165 | 34 | 17 | 2071686 | LMX2071686 |
| 190 | 34 | 17 | 2071687 | LMX2071687 |
| 220 | 34 | 17 | 2071688 | LMX2071688 |
| 250 | 34 | 17 | 2071689 | LMX2071689 |
| 280 | 34 | 17 | 2071690 | LMX2071690 |
| 300 | 34 | 17 | 2071713 | LMX2071713 |
| 320 | 34 | 17 | 2071691 | LMX2071691 |
| 340 | 34 | 17 | 2071692 | LMX2071692 |
| 370 | 34 | 17 | 2071693 | LMX2071693 |
| 400 | 34 | 17 | 2071694 | LMX2071694 |
| 430 | 34 | 17 | 2071695 | LMX2071695 |
| 460 | 34 | 17 | 2071696 | LMX2071696 |
| Other sizes can be customized. | ||||
KEY FEATURES
Thermal Stability
High resistance to thermal shock for extreme temperature environments
High Mechanical Strength
Suitable for pressure-loaded industrial systems
Chemical Resistance
Stable performance in corrosive chemical environments
Excellent Transparency
Clear visibility for process monitoring
Precision Manufacturing
Accurate dimensions and polished sealing surfaces
Custom Design Support
OEM / ODM customization available
Custom Manufacturing Service
We provide tailor-made solutions according to drawings or technical requirements.
- Custom diameter
- Custom thickness
- Special pressure design
- Edge polishing
- Optical finishing
- OEM / ODM support
- Custom packaging
TYPICAL APPLICATIONS
- Pressure Vessels
- Chemical Reactors
- Boilers & Steam Systems
- Pipeline Sight Glass Assemblies
- Pharmaceutical Equipment
- Food & Beverage Processing
- Industrial Observation Ports
FAQ
A: It is used for visual level monitoring in high-pressure industrial systems such as boilers, reactors, and pressure vessels where safety and durability are critical.
A: Aluminosilicate glass offers higher mechanical strength and better resistance to thermal shock, making it more suitable for extreme pressure and temperature conditions.
A: It is widely used in power plants, chemical industries, oil & gas facilities, marine engineering, and high-temperature process systems.
A:Yes. We support OEM production including custom dimensions, thickness, polishing, and edge finishing based on customer drawings.
A: Pressure resistance depends on design and installation conditions, but aluminosilicate glass is specifically engineered for high-pressure industrial applications.
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