JIS B 8211 Gauge Glass | 400 Bar Alkali Resistant
High-performance JIS B 8211 gauge glass for Japanese boilers. Available in Borosilicate & Alkali Resistant grades (Max 400 Bar). Download English Standard PDF.
Description
JIS B 8211 Gauge Glass (Reflex & Transparent)
Lumiglas JIS B 8211 gauge glass is engineered specifically to meet the rigorous Japanese Industrial Standards for boiler and pressure vessel level indication. Whether you require replacement glass for Mitsubishi, Hitachi, or Kawasaki equipment, our glasses offer precise dimensional compatibility and superior durability.
Notably, our product range extends beyond standard borosilicate. We offer a specialized Alkali Resistant Grade capable of withstanding pressures up to 400 Bar and temperatures up to 375°C, ensuring longevity even in aggressive chemical environments.
Technical Specifications by Material
| Feature | Specification Details |
|---|---|
| Material Grades | Soda-lime | Borosilicate | Aluminosilicate | Alkali Resistant |
| Pressure Resistance | Standard: 10-64 Bar High Performance: Up to 320-400 Bar |
| Thermal Shock | 150°C (Soda-lime) to 280°C (High Grades) |
| Max. Heat Resistance | ≤ 300°C (Borosilicate) / ≤ 375°C (Aluminosilicate/Alkali) |
| Flexural Strength | 120-160 MPa (Standard) / 420-450 MPa (Alkali Resistant) |
| Young’s Modulus | 66-72 GPa (Standard) / 112 GPa (Alkali Resistant) |
| Water Resistance (ISO 719) | Level 1 (All Grades) |
| Alkali Resistance (ISO 695) | Class A2 (Standard) / Class A1 (Superior Grade) |
Why Choose JIS B 8211 Gauge Glass?
This standard is widely adopted in Asian markets and for equipment manufactured in Japan. Our glass provides a direct replacement solution with enhanced safety features:
- Japanese OEM Compatibility: Perfectly dimensioned for JIS standard level gauges (Size No.1 to No.9).
- Extreme Pressure Handling: Our Alkali Resistant grade handles up to 400 Bar, far exceeding typical borosilicate limits.
- Chemical Durability: With an Acid Resistance of A1 and Alkali Resistance of A1, these glasses are ideal for harsh chemical processing.
